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PCS 7 / APACS+ ES Library User`s Guide for V6.1

1. Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process 0 True Variable EXTV REAL External 0 False Variable input SS BOOL Standby Sync False True Command INIT BOOL Transitions of False False the INIT input cause the initialization equation to be performed TSP REAL SP target value 0 True for SP ramping H_EN BOOL Enable High True True Alarm L_EN BOOL Enable Low True True Alarm HD_EN BOOL Enable High False True Deviation Alarm LD_EN BOOL Enable Low False True Deviation Alarm AD_EN BOOL Enable Absolute True True Deviation Alarm OOR_EN BOOL Enable Out of False True Range Alarm QUAL_EN BOOL Enable Quality False True Not Good Alarm HH_EN BOOL Enable High False True High Alarm LL_EN BOOL Enable Low Low False True Alarm IR_EN BOOL Enable False True Increasing Rate of Change Alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 161 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values DR_EN BOOL Enable False True Decreasing Rate of Change Alarm AR_EN BOOL Enable Absolute False True Rate of Change Alarm OOS BOOL Out of Service False True indicator QBAD BOOL Bad quality False False indicator EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID2 DWORD Event ID Compiler False
2. Name Data Explanation Initial OC amp M Valid Type Values IR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Increasing Rate of Change limit 23s647ms to trip an alarm IR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Increasing 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear DR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Decreasing Rate of Change alarm DR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Decreasing Rate of Change alarm to clear DR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Decreasing Rate of Change limit 23s647ms to trip an alarm DR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Decreasing 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear AR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Absolute Rate of Change alarm AR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Absolute Rate of Change alarm to clear AR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m
3. Name Data Type Explanation Initial OC amp M Valid Values EXTRNL_L BOOL Linkable input to 0 False select External Internal SP flag 1 Extrnl LIOP_ ISP_SEL BOOL Select internal 0 False SP 1 from Link 0 from Operator SP_L REAL Linkable input 0 0 False for internal Setpoint LIOP_OUT_SEL BOOL Select writing to 0 False OUT 1 from Link 0 from Operator OUT_L REAL Linkable input to 0 0 False be written to OUT Note This list differs significantly from the inputs of the EXT_SET_AFB block in APACS since the APACS list includes only the PV input and ESP actually named EXT_SP in APACS input The Update Sampling Time option must be checked when compiling a chart that contains the EXT_SET_AFB for these values to be automatically generated by the compiler Input parameters added for PCS 7 V6 1 include Batch parameters BA_EN OCCUPIED are added to support future batch faceplate view Batch parameters BA_NA BA_ID STEP_NO are added to pass batch values in alarm messages DecimalPlacesPV DecimalPlacesOUT added to control the number of displayed decimal places in HMI ConfirmChange added to give APACS users expected feel of one step operator entry _LIOP_MAN_SEL and AUT_L provide a linkable connection for the program to set AUTO without using SET_VAL LIOP_ISP_SEL and SP_L provide a linkable connection for the program to set internal Setpoint without using SET_VAL LIOP_OUT_SEL and O
4. Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO is configurable allwoing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO _FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flag and configure the associate restart value to ensure a known restart state The OP_OUT and CL_OUT outputs will be automatically cleared on a restart If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via C
5. AD_DB REAL The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms HH_LIM REAL The value in engineering units to which the PV input is compared for the High High alarm True HH_DB REAL The amount of engineering units by which PV must be within the limit for the High High alarm to clear 0 5 True HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms LL_LIM REAL The value in engineering units to which the PV input is compared for the Low Low alarm True LL_DB REAL The amount of engineering units by which PV must be within the limit for the Low Low alarm to clear 0 5 True LL_DELAYIN TIME The amount of time the input must
6. P_AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear T HOMS False 0 to 24d20h31m 23s647ms P_HH_LIM REAL The value in engineering units to which the P_PV input is compared for the High High alarm True P_HH_DB REAL The amount of engineering units by which P_PV must be within the limit for the High High alarm to clear 0 5 True P_HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms P_HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear T HOMS False 0 to 24d20h31m 23s647ms P_LL_LIM REAL The value in engineering units to which the P_PV input is compared for the Low Low alarm True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 47 Library Function Blocks Name PLL DB Data Type REAL Explanation The amount of engineering units by which P_PV must be within the limit for the Low Low alarm to clear Initial 0 5 OC amp M True Valid Values P_LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms P_LL_DELAYOUT
7. Johnson City Niirnberg United States Johnson City TN Technical Support and Authorization Local time Monday to Friday 8 00 AM to 5 00 PM Telephone 1 423 262 2522 or 1 800 333 7421 USA only Fax 1 423 262 2289 Mail to techsupport sea siemens com GMT 5 00 Worldwide Nurnberg Technical Support 24 hours a day 365 days a year Phone 49 180 5050 222 Fax 49 180 5050 223 E Mail ad support siemens com GMT 1 00 Asia Australia Beijing Technical Support and Authorization Local time Monday to Friday 8 00 AM to 5 00 PM Phone 86 10 64 75 75 75 Fax 86 10 64 74 74 74 Mail to ad support asia siemens com Authorization Local time Monday to Friday 8 00 AM to 5 00 PM Phone 49 180 5050 222 Fax 49 180 5050 223 Mail to ad support siemens com GMT 1 00 GMT 8 00 Automation and Drives Service and Support International http www siemens com automation service amp support The languages of the SIMATIC Hotlines and the authorization hotline are generally German and English PCS 7 APACS ES Library User s Guide for V6 1 AE00595270 01 PCS 7 ES Option for APACS 1 1 Introduction The PCS 7 ES Option for APACS ooo eceeeeeeseeteeesteeees 1 2 Library DeSCription cccceccceeceeeeeee cece eect ceee eee aea aiaia anisat Library Function Blocks 2 1 WntrOAU Ct OMe scscec5855520Gicheckeicbesbecdcckbccacsainandecdebeuasteee
8. RSTRT_AUTO_VALUE BOOL Init restart value for Auto Mode if RSTRT_AUTO_FLAG true False False RSTRT_SP_FLAG BOOL Default Retain on WS Use load value on CS Force Use RSTRT_SP_VALUE restart False False RSTRT_SP_VALUE REAL Init restart value for SP if RSTRT_SP_FLAG true and Auto mode False RSTRT_OUT_FLAG BOOL Default Retain on WS Use load value on CS Force Use RSTRT_OUT_VALUE on restart True False RSTRT_OUT_VALUE REAL Init restart value for OUT if RSTRT_OUT_FLAG true and manual mode False BA_EN BOOL Batch enabled True OCCUPIED BOOL Batch occupied True BA_ID DWORD Batch ID number True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step number True DecimalPlacesPV INT Decimal places displayed in HMI for PV SP etc True DecimalPlacesOUT INT Decimal places displayed in HMI for OUT OUT Limits True ConfirmChange BOOL If TRUE changes from HMI must be confirmed False True LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False AUT_L BOOL Linkable input for AUTO MANUAL mode 1 AUTO False LIOP_ISP_SEL BOOL Select internal SP 1 from Link 0 from Operator False SP_L REAL Linkable input for internal Setpoint 0 0 False
9. All of the Interlocks for this block are visible by default For each required interlock configure the following e Connect a boolean interlock condition to the Interlock input e Configure the description so that it is no longer null If the description is left as a null the faceplate will not display the status for this interlock The faceplate is designed to hide an interlock condition when the interlock description is null Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters PCS 7 APACS ES Library User s Guide for V6 1 2 172 A5E00595270 01 Library Function Blocks Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message Message Class Default Message Text 1 PLC Process Control Message Failure to open BlockComment Failure 2 PLC Process Control Message Failure to close BlockComment Failure 3 PLC Process Control Message Uncommanded close open or rejected command Failure due to interlock BlockComment 4 PLC Process Control Message Failed limit switch open and close verify inputs are Failure set BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d
10. BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA _ID 3 d STEP_NO 2 8 1 1 DALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values IN1 BOOL This is the value to be monitored for False True alarm1 EN1 BOOL When TRUE alarm1 is enabled False True IN2 BOOL This is the value to be monitored for False False alarm2 EN2 BOOL When TRUE alarm2 is enabled False False IN3 BOOL This is the value to be monitored for False False alarm3 EN3 BOOL When TRUE alarm3 is enabled False False IN4 BOOL This is the value to be monitored for False False alarm4 EN4 BOOL When TRUE alarm4 is enabled False False IN5 BOOL This is the value to be monitored for False False alarm5 EN5 BOOL When TRUE alarm5 is enabled False False IN6 BOOL This is the value to be monitored for False False alarm6 EN6 BOOL When TRUE alarm6 is enabled False False IN7 BOOL This is the value to be monitored for False False alarm7 2 56 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values EN7 BOOL When TRUE alarm7 is enabled False False IN8 BOOL This is the value to be
11. Library Function Blocks Name S_AD_LIM Data Type REAL Explanation The value in engineering units to which ABS S_PV DEV is compared for the Absolute Deviation alarm Initial 100 OC amp M True Valid Values S_AD_DB REAL The amount of engineering units by which ABS S_ PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True S_AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms S_AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms S_HH_LIM REAL The value in engineering units to which the S_ PV input is compared for the High High alarm True S_HH_DB REAL The amount of engineering units by which S_PV must be within the limit for the High High alarm to clear 0 5 True S_HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms S_HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms S_LL_LIM REAL The value in engin
12. PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 81 Library Function Blocks Integer Values for Motor State VALUE STATE FAIL OVERRD PROOF OUT INTRLK amp PERMIT 0 Undefined 1 Transition False False lt gt OUT lt gt PROOF True 2 Stopped False False False False True 3 Running False False True True 4 Stopped and Fail True False 5 Running and Fail True True 6 Stopped and Override False True False 7 Running and Override False True True 8 Stopped and Interlock False False False False False not OK Integer Values for Motor Alarm Failure State lt gt means not equal to means don t care Value State Status 0 OK No alarm 1 Failed to Start PROOF value not reset in time after OUT value was set TRUE 2 Failed to Stop PROOF value went FALSE while OUT value remained TRUE 3 Loss of PROOF PROOF value went FALSE while OUT value remained TRUE 4 Inappropriate PROOF PROOF value went TRUE while OUT value remained FALSE 5 Uncommanded Stop INTRLK value went FALSE while OUT value was TRUE causing OUT to be SET FALSE 6 Rejected Start Command INTRLK or PERMIT value was FALSE when a start command was issued PCS 7 APACS ES Library User s Guide for V6 1 2 82 A5E00595270 01 Library Function Blocks Input output Name FAIL Data Type BOOL Explanation Indicat
13. The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO _FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 105 Library Function Blocks desired forced value The RSTRT_SP_VALUE will be used to initialize SP if the RSTRT_SP_FLAG is true and either e The block is forced to start in Auto mode or e AUTO is not forced and the block restarts with Auto mode AUTO Auto and in secondary cascade CASC_S True If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior M Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Defaul
14. True Valid Values AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms HH_LIM REAL The value in engineering units to which the PV input is compared for the High High alarm True HH_DB REAL The amount of engineering units by which PV must be within the limit for the High High alarm to clear 0 5 True HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms LL_LIM REAL The value in engineering units to which the PV input is compared for the Low Low alarm True LL_DB REAL The amount of engineering units by which PV must be within the limit for the Low Low alarm to clear 0 5 True LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms LL_DELAYOUT TIME The amount of ti
15. e To set the VALVE block s maximum allowed time to open and close set the parameters OPEN_T and CLOS_T of the VALVE block which are marked for IEA individually e Interlocks and Interlock descriptions e Permit and Permit description e Fail safe state of the valve FAIL_OPEN PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 21 Template Charts Faults Channel faults are detected by the input and output drivers See also VALVE_A_ALM_AFB PCS 7 APACS ES Library User s Guide for V6 1 3 22 A5E00595270 01 Message class Classification of messages in accordance with their cause The following message classes are used in the SIMATIC process control system e Process signals which are triggered when process specific monitoring values for example alarms interrupts upper lower tolerance general process signals are reached or exceeded e Control system messages which are output by the control system system messages the I O units errors in the field or for preventive maintenance e Requests for operator input which in the case of certain operation sequences draw the operator s attention to the necessity of an operator intervention for example request to acknowledge a stepping operation manually in order to enable transition or operator input lists Table of possible message classes and their meanings Message class Meaning AH Alarm h
16. 6 I EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 2 132 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Assignment of auxiliary process values to the block parameters ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 fI H_LIM EV_ID 5 f L_LIM EV_ID b I HD_LIM EV_ID 7 I LD_LIM EV_ID 8 F AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 fI HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6A f IR_LIM EV_ID2 7 f DR_LIM EV_ID2 8Af AR_LIM PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 133 Library Function Blocks 2 18 1 1 SECONDARY_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process Variable 0 True ESP REAL External Setpoint output 0 True from primary controller TSP REAL SP target value for SP 0 True ramping H_EN BOOL Enable High Alarm True True L_EN BOOL Enable Low Alarm True True HD_EN BOOL Enable High Deviation False True Alarm LD_EN BOOL Enable Low Deviation False True Alarm AD_EN BOOL Enable Absolute Deviation True True Alarm OOR_EN BOOL Enable Out of Ra
17. Block parameters can be displayed as input output nubs on the block by the user PCS 7 PCS 7 Original APACS Function Block FB Number Standard Function Block AM_AFB FB 500 AM Auto Manual PID_AFB FB 501 PID Proportional Integral Derivative SETPNT_AFB FB 502 SETPNT Setpoint AALM_AFB FB 503 HLLAALM Hi Level Link Analog Alarm DALM_AFB FB 504 HLLDALM Hi Level Link Discrete Alarm MOTOR_A_AFB FB 505 MOTOR_A Standard Motor VALVE_A_AFB FB 506 VALVE_A Standard Valve PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 1 Library Function Blocks A PCS 7 chart is used in the creation of a Function Block Type In APACS a Derived Function Block DFB or UDFB is equivalent to a Function Block Type PCS 7 faceplates can be connected to a single block in the controller The CFC for Single Loop contains four blocks Setpoint PID AutoManual and Alarm Therefore the Single Loop faceplate could not be connected to the CFC In essence the Function Block Type is a compiled version of the CFC We have provided the CFC to make it easier to customize the function blocks provided The user can modify the CFC chart and then compile it to create a new Function Block Type The blocks marked by an below are implemented in the SCL language rather than via the CFC charts The user may also customize these Function Block Types by using the SCL Editor in SIMATIC Manager to
18. CASC will be forced to Cascade and OUT will be forced to 0 0 on a CPU restart P_SPand S_SP will be set in accordance with default PCS 7 behavior To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the P_SP parameter to a specified value on a restart set the P_RSTRT_SP_FLAG to true Force SP and configure P_RSTRT_SP_VALUE with the desired forced value The P_LRSTRT_SP_VALUE will be used to initialize P_SP if the P_RSTRT_SP_FLAG is true and either e the block is forced to start in Auto mode or e AUTO is not forced and the block restarts with Auto mode AUTO Auto and in Cascade CASC Cascade If P_RSTRT_SP_FLAG is set to false Default the P_SP parameter will be set in accordance with default PCS 7 behavior To force the S_SP parameter to a specified value on a restart set the S_RSTRT_SP_FLAG to true Force SP and configure S_ RSTRT_SP_VALUE with the desired forced value The S RSTRT_SP_VALUE will be used to initialize S_SP if and only if the S RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto and not in Cascade CASC Secondary
19. EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process OUT_OF_RANGE BlockComment Control Message Failure EV_ID 7 PLC Process QUALITY_NOT_GOOD Control Message BlockComment Failure EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 F EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 Assignment of auxiliary process values to the block parameters 2 150 ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 fI H_LIM EV_ID 5 f L_LIM EV_ID 6 FI HD_LIM EV_ID 7T I LD_LIM EV_ID 8 F AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 f HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6 fI IR_LIM EV_ID2 7T DR_LIM EV_ID2 8 f AR_LIM PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 20 1 1 SINGLE_LOOP_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process Variable
20. PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 109 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values LIOP_OUT_SEL BOOL Select writing to OUT 1 0 False from Link 0 from Operator OUT_L REAL Linkable input to be 0 0 False written to OUT Note This list differs significantly from the inputs of the PRIMARY_AFB block in APACS In APACS only the PV FDBK and CASC_S inputs are present PCS 7 APACS ES Library User s Guide for V6 1 2 110 A5E00595270 01 Library Function Blocks Output Name Data Type Explanation Initial OC amp M Valid Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that 0 False has been limited ALARM BOOL Alarm Status False False SS BOOL Secondary Standby flag True True H_ALM BOOL When TRUE the High alarmis False False detected and enabled L_ALM BOOL When TRUE the Low alarm is False False detected and enabled HD_ALM BOOL When TRUE the High False False Deviation alarm is detected and enabled LD_ALM BOOL When TRUE the Low False False Deviation alarm is detected and enabled AD_ALM BOOL When TRUE the Absolute False False Deviation alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of Range False False alarm is detected and enabled QUAL_AL BOOL When TRUE the Quality Not False False
21. The amount of time the input must remain not at the limit to cause alarm4 to clear T 0d0hOm0sOms False ALARM5_LIMIT BOOL The value to which IN5 is compared for alarm5 False False ALARM5_DELAYIN TIME The amount of time the input must remain at the limit to trip alarm5 T 0d0hOm0sOms False ALARM5_DELAYOUT TIME The amount of time the input must remain not at the limit to cause alarm5 to clear T 0d0hOm0sOms False ALARM6_LIMIT BOOL The value to which IN6 is compared for alarm6 False False ALARM6_DELAYIN TIME The amount of time the input must remain at the limit to trip alarm6 T 0d0hOm0sOms False ALARM6_DELAYOUT TIME The amount of time the input must remain not at the limit to cause alarm6 to clear T 0d0hOm0sOms False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 59 Library Function Blocks Name ALARM7_LIMIT Data Type BOOL Explanation The value to which IN7 is compared for alarm7 Initial False Oc amp M False Valid Values ALARM7_DELAYIN TIME The amount of time the input must remain at the limit to trip alarm7 T 0d0hOm0sOms False ALARM7_DELAYOUT TIME The amount of time the input must remain not at the limit to cause alarm7 to clear T 0d0hOm0sOms False ALARM8_LIMIT BOOL The value to which IN8 is c
22. from Operator OUT_L REAL Linkable input to 0 0 False be written to Secondary OUT Note This list differs significantly from the inputs of the CASCADE_AFB block in APACS In the APACS version only the P_PV and S_PV inputs are present and in APACS they are named PRI_PV and SEC_ PV respectively PCS 7 APACS ES Library User s Guide for V6 1 2 42 A5E00595270 01 Library Function Blocks Output Name Data Explanation Initial OC amp M Valid Type Values P_SP_OUT REAL Calculated set point value 0 False S_SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that has 0 False been limited ALARM BOOL Alarm Status False False S_ESP REAL Provides S_ESP tag for the OS 0 True P_H_ALM BOOL When TRUE the primary High False False alarm is detected and enabled P_L_ALM BOOL When TRUE the primary Low alarm False False is detected and enabled P_HD_ALM BOOL When TRUE the primary High False False Deviation alarm is detected and enabled P_LD_ALM BOOL When TRUE the primary Low False False Deviation alarm is detected and enabled P_AD_ALM BOOL When TRUE the primary Absolute False False Deviation alarm is detected and enabled P_OOR_ALM BOOL When TRUE the primary Out of False False Range alarm is detected and enabled P_QUAL_ALM BOOL When TRUE th
23. 23s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to cause 24d20h31m the Quality Not Good alarm to 23s647ms clear DISABLE_ON_OOS BOOL When set to TRUE the block is False False disabled if OOS is also TRUE RATIO_MIN REAL Minimum value of the ratio 0 True RATIO_MAX REAL Maximum value of the ratio 1 True RAT_DES REAL Desired ratio of PV to EXT_INP 0 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 129 Library Function Blocks 2 18 2 18 1 Function SECONDARY_AFB SECONDARY Secondary Controller Function Block Name SECONDARY_AFB compiled version of the Chart Function Block Number FB610 Chart Name SECONDARY See also Template Chart PRIMARY_SECONDARY_AT usage example The Secondary Controller SECONDARY_AFB block is a factory compiled function block It is intended for use as an external set PID controller with tracking setpoint as part of a cascade circuit The SECONDARY_AFB block is designed to be used with the PRIMARY_AFB block to form a cascade circuit when it is preferable to control the primary and secondary loops separately Normally the output from the primary loop is to be the setpoint to the secondary loop and the cascade status of the secondary loop is to be fed to the primary loop High and low alarms are provided for the process variable and an alarm is provided for absolute deviation be
24. 3 2 To scale the input signal set the Process Value engineering high via PV_IN s VHRANGE input and the Process Value engineering low via PV_IN s VLRANGE input These engineering limits will be conveyed to the ALARM s PV_EUMAX and PV_EUMIN respectively By default the HIGH and LOW alarms are enabled The various alarms should be enabled disabled as needed Configure the following parameters which are marked for IEA in the ALARM for your application e All high low alarm limits H_LIM L_LIM Channel faults are detected by the input driver and are assigned to the QBAD input of block ALARM An alarm message will then be posted if QUAL_EN is enabled ANALOG_ALM_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Template Charts 3 2 BLK_VLV_10UT_AT This template can be used as a block valve open close with one output It is designed for a normally closed valve with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The VALVE block has inputs OP_VER CL_VER A_OPEN A_CLSE and INTRLK for the open verify close verify auto open command auto close command and interlock and outputs OUT and FAIL for the output and failure status of the valve respectively The VALVE circuit contains apart from the VALVE block two digital input drivers and a digital output driver Interconnections Simulation The signal for the open feedback must be co
25. Edit properties of the new symbol a Right click to edit properties of the new symbol In the Customized Object property change Object Name to NewSloop 1 by double clicking on Object Name in the Attribute column b In UserDefined3 property edit Type to NewSloop 1 and edit Servername to NewSloop 1 c Click OK d Close the Object Properties window Save the file Save the PCS 7 Typicals pd file From the siemens wincc options pdl faceplated esigner_v 6 directory in Windows Explorer From Windows Explorer change the directory to siemens wincc options pdl faceplatedesigner_v6 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 6 3 Customizing the Library a Copy PG_originalname PDL and save as PG_newname pdl b Copy PG_originalname_overview PD L and save as PG_newname_overview pdl c Copy PG_originalname_standard PDL and save as PG_newname_standard pdl d Copy PG_originalname_viewlist PDL and save as PG_newname_viewilist pdl e Copy PL_originalname_overview PDL and save as PL_newname_overview pdl Copy PG_Single_Loop_AFB PDL and save as PG_NewSloop pdl Copy PG_Single_Loop_AFB_overview PDL and save as PG_NewSloop_ overview pdl Copy PG_Single_Loop_AFB_standard PDL and save as PG_NewSloop_standard pdl Copy PG_Single_Loop_AFB_viewlist PDL and save as PG_NewSloop_viewlist pdl Copy PL_Single_Loop_AFB PDL
26. H_LIM REAL The value in engineering 100 True units to which the PV input is compared for the High alarm H_DB REAL The amount of engineering 0 5 True units by which PV must be within the limit for the High alarm to clear H_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m2 High limit to trip an alarm 3s647ms 2 166 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name H_DELAYOUT Data Type TIME Explanation The amount of time the input must be within the High limit and deadband to cause the alarm to clear Initial T OMS oc amp M False Valid Values 0 to 24d20h31m2 3s647ms L_LIM REAL The value in engineering units to which the PV input is compared for the Low alarm True L_DB REAL The amount of engineering units by which PV must be within the limit for the Low alarm to clear 0 5 True L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL
27. If S_RSTRT_SP_FLAG is set to false Default the S_SP parameter will be set in accordance with default PCS 7 behavior To force the CASC parameter to a specified value on a restart set the RSTRT_CASC_FLAG to true Force CASC and configure RSTRT_CASC_VALUE with the desired forced value Secondary or Cascade The RSTRT_CASC_VALUE will be used to initialize CASC if and only if the RSTRT_CASC_FLAG is true If RSTRT_CASC_FLAG is set to false Default the CASC parameter will be set in accordance with default PCS 7 behavior If CASC is true following a restart then S_SP will be set to the Primary loop s OUT value To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 35 Library Function Blocks A Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart fla
28. TIME The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear T HOMS False 0 to 24d20h31m 23s647ms P_IR_LIM REAL The value in engineering units per minute to which the P_PV input is compared for the Increasing Rate of Change alarm True P_IR_DB REAL The amount of engineering units by which P_PV must be within the limit for the Increasing Rate of Change alarm to clear 0 5 True P_IR_DELAYIN TIME The amount of time the input must reach or exceed the Increasing Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms P_IR_DELAYOUT TIME The amount of time the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms P_DR_LIM REAL The value in engineering units per minute to which the P_PV input is compared for the Decreasing Rate of Change alarm True P_DR_DB REAL The amount of engineering units by which P_PV must be within the limit for the Decreasing Rate of Change alarm to clear 0 5 True P_DR_DELAYIN TIME The amount of time the input must reach or exceed the Decreasing Rate of Change limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms 2 48 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01
29. This block can receive commands from programmed logic such as a sequential function chart SFC while in automatic mode or it can receive operator entered commands from an operator interface while in manual mode The PROOF input receives the state of the motor TRUE running and FALSE stopped The OUT output sets the state of the motor TRUE running and FALSE stop The AUTO parameter indicates the auto manual state This state can be changed external to the block It can also be changed by the block itself depending on In Out parameters When the block is in manual mode AUTO FALSE commands to the block are received via a write of TRUE to the START or STOP In Out parameters The block automatically resets these values after receiving the command When the block is in auto mode AUTO TRUE commands to the block are received via the A_STRT and A_STOP inputs Since auto mode is intended for use with commands sent by an SFC there are some In Out settings that accommodate this use e When AUTO_TRACK is TRUE the AUTO mode tracks the MODE input intended to be the mode of the SFC such that AUTO is set TRUE when MODE becomes TRUE e If MODE_HOLD_AUTO is TRUE AUTO is held TRUE as long as MODE is TRUE When FALSE the AUTO value is set when the MODE input value is TRUE but can then be manually changed e lf ACCEPT_ANY_AUTO is TRUE AUTO is set TRUE whenever the A_STRT Automatic Start or A_STOP Automatic Stop input changes
30. alarm is detected and enabled NAK_H_DEV BOOL When TRUE the High Deviation False False alarm is tripped but not acknowledged ALM_L_DEV BOOL When TRUE the Low Deviation False False alarm is detected and enabled 2 6 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values NAK_L_DEV BOOL When TRUE the Low Deviation False False alarm is tripped but not acknowledged ALM_A_DEV BOOL When TRUE the Absolute Deviation False False alarm is detected and enabled NAK_A_DEV BOOL When TRUE the Absolute Deviation False False alarm is tripped but not acknowledged ALM_OORANGE_ BOOL When TRUE the Out of Range False False alarm is detected and enabled NAK_OORANGE BOOL When TRUE the Out of Range False False alarm is tripped but not acknowledged ALM_QUALITY BOOL When TRUE Quality Not Good False False alarm is detected and enabled NAK_QUALITY BOOL When TRUE the Quality Not Good False False alarm is tripped but not acknowledged ALM_HH BOOL When TRUE High High alarm is False False detected and enabled NAK_HH BOOL When TRUE the High High alarmis False False tripped but not acknowledged ALM_LL BOOL When TRUE the Low Low alarm is False False detected and enabled NAK_LL BOOL When TR
31. and failure status of the motor respectively The motor circuit contains apart from the motor block a digital input driver and two digital output drivers Interconnections Simulation The signal for the feedback run must be connected to the VALUE input of block FB_RUN via symbolic addressing The VALUE output of the STRT_OUTPUT block must be connected via symbolic addressing to the signal for the motor to be controlled The VALUE output of the STOP_OUTPUT block must be connected via symbolic addressing to the signal for the motor to be controlled If there is no feedback run the simulation can be switched on at driver block FB_RUN SIM_ON 1 An SR_FF block Simulate State and a TIMER_P block Simulate Delay is used to implement the simulation of the feedback Note that the TIMEO parameter should be less than MOTOR s STRT_T and STOP_T parameters Parameter Assignment Faults See also 3 12 Configure the following parameters for your application e To set the MOTOR block s maximum allowed time to start and stop set the parameter STRT_T and STOP_T of the MOTOR block which are marked for IEA individually e Interlock Channel faults are detected by the input and output drivers MOTOR_20UT_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Template Charts 3 10 PRIMARY_SECONDARY_AT This template can be used as a cascade circuit The output from the primary loop is the setpoint to the
32. changes state False False POS_TRANS_ACLSE BOOL Indicates whether a positive transition is required to close the valve True False AUTO_TRANS_ REQ BOOL When true A_OPEN and A_CLSE inputs need to change state to issue open close cmd True False FAIL_ON_INTRLK BOOL Fail on interlock When TRUE and the loss of an interlock returns the valve to its fail safe state e g an uncommanded close the FAIL status is set TRUE and the ALARM_STATE valve is set to its appropriate value False False FAIL_ON_OPEN_CMD BOOL Fail on open command When TRUE and an open command or a close command for a fail open valve is rejected due to the interlocks or permissive the FAIL status is set TRUE and the ALARM_STATE value is set to its appropriate value False False FAIL_OPEN BOOL Indicates fail safe state of valve False True OPEN BOOL Open command value for manual mode False True CLOSE BOOL Close command value for manual mode False True OPEN_T TIME Maximum time allowed to open the valve T 10S True CLOS_T TIME Maximum time allowed to close the valve T 10S True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 185 Library Function Blocks Name Data Explanation Initial OC amp M Valid Values Type A1EN BOOL Alar
33. online block folder will be read back to the chart folder including actual parameters Another read back method is to set the Offline program option in the Read Back dialog box to define the source file after you have read back those data from the CPU in the online view via SIMATIC Manager by means of the PLC gt Upload menu command Data will now be fetched from the offline block folder and written to the chart folder In either case the dialog lets you choose to read back all parameters of the block inputs or only the parameters assigned the operator control and monitoring S7_m_c true system attribute In a PCS 7 project only the Parameters controllable in WinCC option is useful and thus set for read back actions by default PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Differences between APACS and PCS 7 The following rules apply irrespective of the scope set for the read back function Only in_out and input parameters can be read back not output parameters The following data types are ignored when reading back data ANY ARRAY POINTER UDT Inputs with write access by SFC chart are not read back Certain blocks can be excluded from the read back operation e g BATCH blocks In this case the block type is assigned the S7_read_back false attribute This attribute cannot be modified in block instances Note onH CPUs If the H CPU is operated in stand alone mode
34. set the Control OUT value engineering high via CONTROLLER s VL_EUMAX input and the Control OUT Engineering Low via CONTROLLER s VL_EUMIN input These engineering limits will be conveyed to the CONTROLLER s VL_EUMAX_OUT and VL_EUMIN_OUT outputs respectively As configured the OUTPUT s upper limit UHRANGE and the OUTPUT s lower limit ULRANGE match the CONTROLLER s VL_EUMAX and VL_EUMIN respectively Configure the following parameters which are marked for IEA for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 15 Template Charts e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL Faults Channel faults are detected by the input and output drivers and are assigned to input QBAD of the CONTROLLER block An alarm message will then be posted if QUAL_EN is enabled See also RATIO_SET_AFB PCS 7 APACS ES Library User s Guide for V6 1 3 16 A5E00595270 01 Template Charts 3 12 SINGLE_LOOP_AT This template can be used to implement a single loop PID controller with a tracking setpoint Both high and low alarms are provided for the process variable Another alarm is provided to detect a deviation between the process
35. the Quality Not Good alarm 23s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to 24d20h31m cause the Quality Not Good 23s647ms alarm to clear DISABLE_ON_OOS BOOL When set to TRUE the False False block is disabled if OOS is also TRUE PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 157 Library Function Blocks 2 21 2 21 1 Function SINGLE_LP_SS_AFB SINGLE_LP_SS Single Loop Controller with Standby Sync Function Block Name SINGLE_LP_SS_AFB compiled version of the Chart Function Block Number FB612 Chart Name SINGLE_LP_SS See also Template Chart SINGLE_LP_SS_AT usage example The Single Loop Controller with Standby Sync SINGLE_LP_SS_AFB block is a factory compiled function block It is intended for use as a single loop PID controller with tracking setpoint and standby sync functionality The External Value and Standby Sync command inputs allow the controller output to be immediately forced to any desired value High and low alarms are provided for the process variable and an additional alarm is provided to detect an absolute deviation between the process variable and setpoint SINGLE_LP_SS_AFB is a compiled version of the SINGLE_LP_SS source chart Within the chart there is a control loop that contains SETPNT_AFB PID_AFB and AM_AFB blocks along with alarming logic The SETPOINT block supplies the setpoint SP to t
36. using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm ALARM_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 EV_ID 2 Warning below LOW BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_
37. 0 True INIT BOOL Transitions of the INIT False False input cause the initialization equation to be performed TSP REAL SP target value forSP 0 True ramping H_EN BOOL Enable High Alarm True True L_EN BOOL Enable Low Alarm True True HD_EN BOOL Enable High Deviation False True Alarm LD_EN BOOL Enable Low Deviation False True Alarm AD_EN BOOL Enable Absolute True True Deviation Alarm OOR_EN BOOL Enable Out of Range False True Alarm QUAL_EN BOOL Enable Quality Not False True Good Alarm HH_EN BOOL Enable High High False True Alarm LL_EN BOOL Enable Low Low Alarm False True IR_EN BOOL Enable Increasing Rate False True of Change Alarm DR_EN BOOL Enable Decreasing False True Rate of Change Alarm AR_EN BOOL Enable Absolute Rate False True of Change Alarm OOS BOOL Out of Service indicator False True QBAD BOOL Bad quality indicator False False EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID2 DWORD Event ID Compiler False generated for the type or N A if used as chart PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 151 Library Function Blocks AUTO MANUAL mode 1 AUTO Name Data Type Explanation Initial OC amp M Valid Values SAMPLE_T REAL Current scan rate Compiler False supplied by OS generated for the type or N A if used as chart RSTRT_AUTO_FLAG BOOL
38. 1178 48 FB500 FB501 611 FB502 FB503 SINGLE_LP_SS_AFB_ FB 0 732 3118 1182 48 FB500 FB501 612 FB502 FB503 MOTOR_A_ALM_AFB FB 1 067 6442 1530 56 FB504 FB505 613 FB9 VALVE_A_ALM_AFB FB 1 049 6280 1464 56 FB504 FB506 614 FB9 7 2 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Performance Data Note The typical run times shown above were measured when alarms were not occurring For blocks with alarming capability execution time will increase when the block has an unacknowledged alarm For blocks with analog alarms approximately 140 milliseconds will be added to the average time shown in the table for each message containing at least one unacknowledged alarm For blocks with discrete alarms approximately 125 milliseconds will be added to the average time shown in the table for each message containing at least one unacknowledged alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 7 3
39. 3 True VLH REAL OUT high limit input 103 3 True H_LIM REAL The value in engineering units 100 True to which the PV input is compared for the High alarm H_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the High alarm to clear H_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the High 24d20h31m limit to trip an alarm 23s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 125 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values H_DELAYOUT TIME The amount of time the input T 0MS False 0 to must be within the High limit and 24d20h31m deadband to cause the alarm to 23s647ms clear L_LIM REAL The value in engineering units 0 True to which the PV input is compared for the Low alarm L_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Low alarm to clear L_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the Low 24d20h31m limit to trip an alarm 23s647ms L_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Low limit and 24d20h31m deadband to cause the alarm to 23s647ms clear HD_LIM REAL The value in engineering units 0 True to which PV DEV is compared for the High Deviation alarm HD_DB REAL The a
40. 6 SECONDARY_VL_OUT s lower limit ULRANGE match the CONTROLLER s S_VL_EUMAX and S_VL_EUMIN respectively Configure the following parameters which are marked for IEA in the CONTROLLER both primary and secondary for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL Channel faults are detected by the PRIMARY_PV_IN input and are assigned to input P_QBAD of the CONTROLLER block An alarm message will then be posted if P_QUAL_EN is enabled Channel faults are detected by the SECONDARY_PV_IN input and the SECONDARY_VL_OUT and are assigned to input S_QBAD of the CONTROLLER block An alarm message will then be posted if S_ QUAL_EN is enabled CASCADE_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Template Charts 3 5 DISCRETE_ALM_AT This template can be used to implement a discrete indicator with alarm The template includes a digital input driver A discrete alarm is provided for the discrete input DN The ALARM output provides the alarm status of the block The block provides an alarm when the discrete input is in an undesired state Interconnections The signal to be monitored must be connected to the VAL
41. C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 2 86 A5E00595270 01 Library Function Blocks Message Message Class Default Message Text 1 PLC Process Control Message Failure to start BlockComment Failure 2 PLC Process Control Message Failure to stop BlockComment Failure 3 PLC Process Control Message Uncommanded stop or rejected start command Failure due to interlock BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d STEP_NO 2 12 1 1 MOTOR_A_ALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PROOF BOOL Running status False True feedback signal from the motor A_STRT BOOL Automatic Start False False command input A_STOP BOOL Automatic Stop False False command input PERMIT BOOL Permitted to Start True True input MODE BOOL Mode input from False False of a sequential function chart INTO1 BOOL Interlock 1 True True INTO2 BOOL Interlock 2 True True INTO3 BOOL Interlock 3 True True INTO4 BOOL Interlock 4 True True INTO5 BOOL Int
42. CFC implements simple simulation by feeding back a scaled lagged copy of the SECONDARY s OUT signal Normally only the TM_LAG value needs to be adjusted for the application The Simulate Primary CFC implements simple simulation by feeding back a scaled lagged copy of Simulate Secondary s PV Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment To scale the primary input signal set the primary s engineering high via PRIMARY_PV_IN s VHRANGE input and the Process Value engineering low via PRIMARY_PV_IN s VLRANGE input To scale the secondary input signal set the secondary s engineering high via SECONDARY_PV_IN s VHRANGE input and the Process Value engineering low via SECONDARY_PV_IN s VLRANGE input This chart presumes that the PRIMARY VL_EUMIN should equal the SECONDARY PV_EUMIN and that the PRIMARY VL_EUMAX should equal the SECONDARY PV_EUMAX To scale the output signal set the Control OUT value engineering high via SECONDARY s VL_EUMAX input and the Control OUT Engineering Low via SECONDARY s VL_EUMIN input These engineering limits will be conveyed to PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 13 Template Charts Faults See also 3 14 the SECONDARY s VL_EUMAX_OUT and VL_EUMIN_OUT outputs respectively As configured SECONDARY_VL_OUT s upper limit UHRANGE and the SECONDARY _VL_OUT s lower limit ULRANGE match the SECONDARY s VL_EUMAX and VL
43. CONTROLLER block has PV EXTV and SS inputs for process variable external value and standby sync command It also has SP_OUT OUT and ALARM outputs for the setpoint output and alarm status of the loop respectively The control loop contains apart from the controller an input driver PV_IN an output driver OUTPUT and a delay element for simulation Interconnections Simulation The signal for the process value must be connected to the VALUE input of block PV_IN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the actuator to be controlled During the configuring phase the controller can be tested with the delay element This merely requires that input SIM_ON of block PV_IN be switched on The Simulation CFC implements simple simulation by feeding back a scaled lagged copy of the CONTROLLER s OUT signal Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment To scale the input signal set the Process Value engineering high via the input driver PV_IN s VHRANGE input and the Process Value engineering low via PV_IN s VLRANGE input These engineering limits will be conveyed to the CONTROLLER s PV_EUMAX and PV_EUMIN respectively To scale the output signal set the Control OUT value engineering high via CONTROLLER s VL_EUMAX input and the Control OUT Engineering Low via CONTROLLER s VL_EUMIN input These engineering limi
44. Default Retain on WS True False Use load val on CS Force Use RSTRT_AUTO_VALVE on restart RSTRT_AUTO_ VALVE BOOL Init restart value for False False Auto Mode if RSTRT_AUTO_FLAG RSTRT_SP_FLAG BOOL Default Retain on WS False False Use load val on CS Force Use RSTRT_SP_VALUE on restart RSTRT_SP_VALUE REAL Init restart value for SP 0 False if RSTRT_SP_FLAG true and Auto mode RSTRT_OUT_FLAG BOOL Default Retain on WS True False Use load val on CS Force Use RSTRT_OUT_VALUE on restart RSTRT_OUT_VALUE REAL Init restart value for 0 False OUT if RSTRT_OUT_FLAG true and manual mode BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 3 Batch name A True 2 STEP_NO DWORD Batch step number 0 True DecimalPlacesPV INT Decimal places 2 True displayed in HMI for PV SP etc DecimalPlacesOUT INT Decimal places 2 True displayed in HMI for OUT OUT Limits ConfirmChange BOOL If TRUE changes from False True HMI must be confirmed LIOP_MAN_SEL BOOL Select 0 False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for 0 False 2 152 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values LIOP_ ISP_SEL BOOL Select internal SP 1 0 False from Link 0 from Operator SP_L REAL Linkable input
45. Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL Auto manual mode control False True EXT BOOL External internal mode control False True SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode control False True R_TIME TIME Ramp time THOMS True 0 to 24d20h31m 23s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering units 0 True per min USE_RR BOOL Ramp mode control Use RTIME False True or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracking control True True When Track internal setpoint tracks PV PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per Reset 4000 True 0 0 to 4000 0 TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 True 2 00 to 20 00 DIR BOOL Reverse or Direct action False True ADAPTIVE _PG_INIT BOOL Adaptive Gain Init flag True False PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output Low 0 True VL_EUMAX REAL Engineering unit Output High 100 True VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3
46. Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values P_DR_DELAYOUT TIME The amount of time the T OMS False 0 to input must be within the 24d20h31m Decreasing Rate of 23s647ms Change limit and deadband to cause the alarm to clear P_AR_LIM REAL The value in engineering 0 True units per minute to which the P_PV input is compared for the Absolute Rate of Change alarm P_AR_DB REAL The amount of engineering 0 5 True units by which P_PV must be within the limit for the Absolute Rate of Change alarm to clear P_AR_DELAYIN TIME The amount of time the T OMS False 0 to input must reach or exceed 24d20h31m the Absolute Rate of 23s647ms Change limit to trip an alarm P_AR_DELAYOUT TIME The amount of time the T OMS False 0 to input must be within the 24d20h31m Absolute Rate of Change 23s647ms limit and deadband to cause the alarm to clear P_OOR_DELAYIN TIME The amount of time the T OMS False 0 to input must be outside the 24d20h31m limits EINH EINL to trip 23s647ms the Out of Range alarm P_OOR_DELAYOUT TIME The amount of time the T OMS False 0 to input must be within the 24d20h31m limits EINH EINL to cause 23s647ms the Out of Range alarm to clear P_QUAL_DELAYIN TIME The amount of time the T OMS False 0 to input quality must be bad 24d20h31m to trip the Quality Not 23s647ms Good alarm P_QUAL_DELAYOUT TIME The amount of
47. Library User s Guide for V6 1 A5E00595270 01 Template Charts Faults Channel faults are detected by the input and output drivers and are assigned to input QBAD of the CONTROLLER block An alarm message will then be posted if QUAL_EN is enabled See also EXT_SET_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 9 Template Charts 3 7 MOTOR_A_ALM_AT This template can be used to implement standard motor start stop functions Device alarming functions are provided This MOTOR block is an encapsulation of the MOTOR_A block with a 4 element discrete alarm block The MOTOR block has inputs PROOF A_STRT A_STOP and INT01 INT11 for the proof auto start command auto stop command and eleven interlocks and parameters OUT and FAIL for the output and failure status of the motor respectively Alarms are reported for the following conditions e Failure to start or loss of proof e Failure to stop or unexpected proof e Uncommanded stop or rejected start command due to interlock The latched fail state is unlatched automatically when the alarm is acknowledged The motor circuit contains apart from the motor block a digital input driver and digital output driver Interconnections Simulation The signal for the feedback run must be connected to the VALUE input of block FB_RUN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the
48. Multiple instance block The specified blocks are used by the technological block and must exist in the user program They can be found in the same library PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 7 1 Performance Data Block Type Name FB Typical Block Instance Temporary Multiple Instance No run length data memory block time bytes length bytes ms bytes CPU 416 3 AM_AFB FB 0 045 540 90 48 500 PID_AFB FB 0 403 1994 190 94 501 SETPNT_AFB FB 0 075 1854 134 78 502 AALM_AFB FB 0 116 5296 550 146 2xSFB35 503 DALM_AFB FB 0 154 2096 290 26 SFB35 504 MOTOR_A_AFB FB 0 198 1598 746 50 FB504 505 VALVE_A_AFB FB 0 199 1938 712 50 FB504 506 ANALOG_ALM_AFB FB 0 160 1134 758 2 FB503 600 BLK_VLV_10UT_AFB FB 0 196 856 368 50 2xFB5 FB504 601 BLK_VLV_2OUT_AFB FB 0 197 1104 366 50 2xFB5 FB504 602 CASCADE_AFB FB 1 359 5308 2222 48 FB500 2xFB501 603 2xFB502 2xFB503 DISCRETE_ALM_AFB FB 0 144 526 368 2 FB504 604 EXT_SET_AFB FB 0 732 3116 1180 48 FB500 FB501 605 FB502 FB503 MOTOR_1OUT_AFB FB 0 199 866 370 54 2xFB5 FB504 606 MOTOR_20UT_AFB FB 0 199 1068 370 54 2xFB5 FB504 607 PRIMARY_AFB FB 0 755 3208 1166 44 FB500 FB501 608 FB502 FB503 RATIO_SET_AFB FB 0 843 4268 1360 48 FB500 FB501 609 2xFB502 FB503 SECONDARY_AFB FB 0 732 3136 1178 48 FB500 FB501 610 FB502 FB503 SINGLE_LOOP_AFB FB 0 730 3044
49. OCCUPIED BOOL Batch occupied True BA_ID DWORD Batch ID number True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step number True ConfirmChange BOOL If TRUE changes from HMI must be confirmed True Note This list differs from the inputs of the BLK_VLV_1OUT_AFB block in APACS as follows e Restart parameters RSTRT_ did not exist in APACS e EV_ID and SAMPLE_T did not exist in APACS PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 27 Library Function Blocks Output Name Data Type Explanation Initial OC amp M Valid Values OUT BOOL OUT is used to actuate the valve False True ALARM BOOL ALARM is used to signa 1 internal logic False False when the Valve is in alarm FAIL BOOL FAIL signals if the valve failed to open or False True close after an OPEN or CLOSE request TRANS BOOL TRANS signals that the valve is in False True transition i e OP_VER CL_VER both false Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL AUTO select auto mode uses False True A_OPEN A_CLSE vs manual mode uses OPEN CLOSE A1EN BOOL A1EN is used to enable disable True True the internal alarm A1LIM BOOL Alarm 1 limit True False A1DELAYIN TIME Into alarm 1 delay time THOMS False 0 to 24d20h31m 23s647ms A1
50. Quotient of 0 True PV and RAT_INP subject to limits DESRAT REAL Desired ratio of PV to 0 False RAT_INP ALARM BOOL Alarm Status False False ESP REAL External set point 0 True H_ALM BOOL When TRUE the High alarm is False False detected and enabled L_ALM BOOL When TRUE the Low alarm is False False detected and enabled HD_ALM BOOL When TRUE the High False False Deviation alarm is detected and enabled LD_ALM BOOL When TRUE the Low False False Deviation alarm is detected and enabled AD_ALM BOOL When TRUE the Absolute False False Deviation alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of Range False False alarm is detected and enabled QUAL_ALM BOOL When TRUE the Quality Not False False Good alarm is detected and enabled HH_ALM BOOL When TRUE the High High False False alarm is detected and enabled LL_ALM BOOL When TRUE the Low Low False False alarm is detected and enabled IR_ALM BOOL When TRUE the Increasing False False Rate of Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing False False Rate of Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute False False Rate of Change alarm is detected and enabled VL_EUMIN_OUT REAL Copy of Engineering unit 0 False Output Low VL_EUMAX_OUT REAL Copy of Engineering unit 0 False Output High 2 124 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library
51. Rate of Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute False False Rate of Change alarm is detected and enabled VL_EUMIN OUT REAL Copy of VL_EUMIN Input 0 True VL_EUMAX_OUT REAL Copy of VL_EUMAX Input 0 True 2 154 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Note The APACS output was renamed to SP_OUT to avoid conflict with the newly added SP In Out parameter SP_OUT is used to interconnect the set point value to other entities on a chart The OS interaction is handled by the SP In Out parameter Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL Auto manual mode control False True SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode False True control R_TIME TIME Ramp time THOMS True 0 to 24d20h31m 23s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering 0 True units per min USE_RR BOOL Ramp mode control Use False True RTIME or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracking True True control When Track internal setpoint tracks PV PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per 4000 True 0 0 to Reset 4000 0 TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG R
52. Rate of False False Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing Rate of False False Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute Rate of False False Change alarm is detected and enabled VL_EUMIN OUT REAL Copy of Engineering unit Output Low 0 False VL_EUMAX_OUT REAL Copy of Engineering unit Output High 0 False Note The APACS SP output was renamed to SP_OUT to avoid conflict with the newly added SP In Out parameter SP_OUT is used to interconnect the set point value to other entities on a chart The OS interaction is handled by the SP InOut parameter Input output Name Data Explanation Initial oc amp Valid Values Type M AUTO BOOL Auto manual mode control False True EXT BOOL External internal mode control False True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 71 Library Function Blocks by which PV must be within the limit for the Low alarm to clear Name Data Explanation Initial oc amp Valid Values Type M SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode control False True R_TIME TIME Ramp time T 0MS True 0 to 24d20h31m23 s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering units O Tru
53. See also BLK_VLV_2OUT_AFB PCS 7 APACS ES Library User s Guide for V6 1 3 4 A5E00595270 01 Template Charts 3 4 CASCADE_AT This template can be used as a self contained cascade PID controller with tracking setpoints The output from the primary control loop is the setpoint to a secondary control loop High and low alarms are provided for the process variables of both loops Additional alarms are provided to detect a deviation between the process variable and setpoint of both loops The block has inputs P_PV and S_PV for the primary and secondary process variables and outputs P_SP_OUT S_SP_OUT OUT and ALARM for the primary setpoint secondary setpoint output and alarm status of the loops respectively The control loop contains apart from the controller two input drivers PRIMARY_PV_IN SECONDARY_PV_IN an output driver SECONDARY_VL_OUT and delay elements for simulation Interconnections Simulation The signal for the primary value must be connected to the VALUE input of block PRIMARY_PV_IN via symbolic addressing The signal for the secondary actual value must be connected to the VALUE input of block SECONDARY_PV_IN via symbolic addressing The VALUE output of the SECONDARY_VL_OUT block must be connected via symbolic addressing to the signal for the actuator to be controlled During the configuring phase the controller can be tested with the delay element This merely requires that input SIM_ON of block PRIMARY_PV_IN
54. TRUE alarm5 is detected and False False enabled PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 57 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values NAK5 BOOL When TRUE alarm5 is tripped but not False False acknowledged ALM6 BOOL When TRUE alarm6 is detected and False False enabled NAK6 BOOL When TRUE alarm6 is tripped but not False False acknowledged ALM7 BOOL When TRUE alarm7 is detected and False False enabled NAK7 BOOL When TRUE alarm7 is tripped but not False False acknowledged ALM8 BOOL When TRUE alarm8 is detected and False False enabled NAK8 BOOL When TRUE alarm8 is tripped but not False False acknowledged MSG_ERR_ BOOL ALARM_8P error False False MSG_STAT WORD ALARM _8P status False W 16 0 Note This list differs from the outputs of the DALM_AFB block in APACS as follows e There are now eight alarms and NAKS e Only the first alarm s output and NAK are visible This makes the block look similar to the APACS HLLDA 1 block e The STATUS and CMD outputs have been removed e MSG _ERR and MSG _ STAT have been added to provide the status of the message processing For specific values see the online help for ALARM_8P Input output Name Data Explanation Initial OC amp M Valid Type Values ALARM1_LIMIT BOOL The value to which the
55. TRUE changes from HMI must be confirmed False True LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False AUT_L BOOL Linkable input for AUTO MANUAL mode 1 AUTO False LIOP_ISP_SEL BOOL Select internal SP 1 from Link 0 from Operator False SP_L REAL Linkable input for internal Setpoint 0 0 False LIOP_OUT_SEL BOOL Select writing to OUT 1 from Link 0 from Operator False OUT_L REAL Linkable input to be written to OUT 0 0 False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 163 Library Function Blocks Note This list differs significantly from the inputs of the SINGLE_LP_SS_AFB block in APACS The APACS list only includes the PV EXTV and SS inputs The Update Sampling Time option must be checked when compiling a chart that contains the SINGLE_LP_SS_AFB for this value to be automatically generated by the compiler PCS 7 APACS ES Library User s Guide for V6 1 2 164 A5E00595270 01 Library Function Blocks Output Name Data Explanation Initial OC amp M Valid Type Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that has 0 False been limited ALARM BOOL Alarm Status False False H_ALM BOOL When TRUE the High alarm is False Fals
56. True valve ALARM BOOL Indicates when the Valve is in alarm False False INTRLK BOOL Interlock OK output False True READY BOOL Ready output False False STATE INT State of the valve 0 True ALARM_STATE INT Alarm state 0 False Note This list differs from the outputs of the VALVE_A_AFB block in APACS as follows FAIL and AUTO and OVERRD have been moved to In Out in PCS 7 ALARM_STATE is a new output In APACS it was a softlist parameter ALARM is a new output and is present to support the alarming functionality This output along with the alarm functionality did not exist in APACS INTRLK nub is named INT_OK in APACS The ProcessSuite name INTRLK is preferred PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 183 Library Function Blocks Integer Values for Valve State VALUE STATE FAIL OVERRD OP_VER CL_VER INTRLK amp PERMIT 0 Undefined 1 Transition False False False 2 Closed False False False True True 3 Open False False True False True 4 Closed and Fail True False True 5 Open and Fail True True False 6 Closed and Override False True False True 7 Open and Override False True True False 8 Safe and Interlock not False False False OK 9 Limit Switch Fail True True True 10 Transition and Fail True False False means does not care Integer Values for
57. Use RSTRT_AUTO_VA LUE on restart RSTRT_OUT_VALUE BOOL Init restart value for False False OUT if RSTRT_OUT_FLA G true EV_ID DWORD Event ID Compiler False generated LIOP_MAN_SEL BOOL Select False False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name E True STEP_NO DWORD Batch step number 0 True ConfirmChange BOOL If TRUE changes False True from HMI must be confirmed Note This list differs from the inputs of the MOTOR_1OUT_AFB block in APACS as follows e Restart parameters RSTRT_ did not exist in APACS e EV_ID and SAMPLE_T did not exist in APACS Output Name Data Type Explanation Initial OC amp M Valid Values OUT BOOL OUT is used to actuate the motor False True ALARM BOOL ALARM is used to signal internal False False logic when the Motor is in alarm FAIL BOOL FAIL motor failed to start or stop False True after a start or stop request START_FAIL BOOL START_FAIL is used to indicate if False False the motor failed to start PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 95 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Values Type AUTO BOOL AUTO set auto mode use False True A_STRT A_STOP vs manual
58. Valve Alarm Failure State VALUE STATE STATUS 0 OK No alarm 1 Failed to Open OP_VER value not reset in time after OUT value was set TRUE or FALSE for fail open 2 Failed to Close CL_VER value not reset in time after OUT was set FALSE or TRUE for fail open 3 Loss of Open Verify OP_VER value went FALSE while open was commanded 4 Loss of Closed Verify CL_VER value went FALSE while closed was commanded 5 Uncommanded Return INTRLK value went FALSE while OUT value was TRUE causing to Fail safe OUT to be SET FALSE 6 Rejected Command INTRLK or PERMIT value was FALSE when a command to leave fail safe state was issued 7 Failed Limit Switch OP_VER and CL_VER are both TRUE simultaneously PCS 7 APACS ES Library User s Guide for V6 1 2 184 A5E00595270 01 Library Function Blocks Input output Name FAIL Data Type BOOL Explanation Indicates whether valve has a fault condition Initial False OCc amp M True Valid Values AUTO BOOL Auto mode output False True OVERRD BOOL Override output False True AUTO_TRACK BOOL If true block is set to auto mode when SFC transitions to AUTO MODE becomes True False False MODE_HOLD_AUTO BOOL Indicates whether block held in auto mode while SFC is in auto mode False False ACCEPT_ANY_AUTO BOOL When true block is set to auto when A_OPEN or A_CLSE
59. a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 149 Library Function Blocks ALARN_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 EV_ID 2 Warning below LOW BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 F
60. an alarm DR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Decreasing 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear AR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Absolute Rate of Change alarm AR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Absolute Rate of Change alarm to clear AR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Absolute Rate of Change limit to 23s647ms trip an alarm AR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute Rate 24d20h31m of Change limit and deadband to 23s647ms cause the alarm to clear OOR_DELAYIN TIME The amount of time the input THOMS False 0 to must be outside the limits EINH 24d20h31m EINL to trip the Out of Range 23s647ms alarm OOR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the limits EINH 24d20h31m EINL to cause the Out of Range 23s647ms alarm to clear 2 128 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip the 24d20h31m Quality Not Good alarm
61. and the input SIM_ON of block SECONDARY_PV_IN be switched on The Simulate Secondary CFC implements simple simulation by feeding back a scaled lagged copy of the CONTROLLER OUT signal Normally only the TM_LAG value needs to be adjusted for the application The Simulate Primary CFC implements simple simulation by feeding back a scaled lagged copy of the Simulate Secondary s PV Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment To scale the primary input signal set the primary s engineering high via PRIMARY_PV_IN s VHRANGE input and the Process Value engineering low via PRIMARY_PV_IN s VLRANGE input To scale the secondary input signal set the secondary s engineering high via SECONDARY_PV_IN s VHRANGE input and the Process Value engineering low via SECONDARY_PV_IN s VLRANGE input This chart presumes that the CONTROLLER P_VL_EUMIN should equal the CONTROLLER S_PV_EUMIN and that the CONTROLLER P_VL_EUMAX should equal the CONTROLLER S_PV_EUMAX To scale the output signal set the Control OUT value engineering high via CONTROLLER s S_VL_EUMAX input and the Control OUT Engineering Low via S_VL_EUMIN input These engineering limits will be conveyed to the S_VL_EUMAX_OUT output and S_VL_EUMIN_OUT outputs respectively As configured SECONDARY_VL_OUT s upper limit UHRANGE and the PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 5 Template Charts Faults See also 3
62. e g due to CPU failure and a CPU fail over has taken place the user is prompted to select the required CPU after an online access request This dialog does not appear if the CPU is operated in redundant mode Note on the download of HW Config data Please note that the CPU will write data from load memory to work memory after you have downloaded HW Config data Changes effected in debug mode or via operator control and monitoring only exist in work memory Due to the transfer of data from load memory all data in work memory will be lost since its initial values will be overwritten by data from load memory In this case you can create a backup of operator control data by means of read back before you perform a download of HW Config data You can then include these backup data in a program download to the CPU in STOP mode The following applies for setting the scope of the Parameters controllable in WinCC function Values of FC inputs will be ignored The following applies for setting the scope of All parameters function FC inputs interconnected to chart I Os will be read back This also applies to chart I Os with multiple interconnections to block inputs FB and FC After read back The full program is compiled automatically in order to ensure consistency This does not however require a download of the full program i e you can also perform a delta download when the CPU is in RUN mode A log file will be genera
63. for 0 0 False internal Setpoint LIOP_OUT_SEL BOOL Select writing to OUT 0 False 1 from Link 0 from Operator OUT_L REAL Linkable input to be 0 0 False written to OUT PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 153 Library Function Blocks Output Name Data Type Explanation Initial OC amp M Valid Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that 0 False has been limited ALARM BOOL Alarm Status False False H_ALM BOOL When TRUE the High alarm False False is detected and enabled L_ALM BOOL When TRUE the Low alarm is False False detected and enabled HD_ALM BOOL When TRUE the High False False Deviation alarm is detected and enabled LD_ALM BOOL When TRUE the Low False False Deviation alarm is detected and enabled AD_ALM BOOL When TRUE the Absolute False False Deviation alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of False False Range alarm is detected and enabled QUAL_ALM BOOL When TRUE the Quality Not False False Good alarm is detected and enabled HH_ALM BOOL When TRUE the High High False False alarm is detected and enabled LL_ALM BOOL When TRUE the Low Low False False alarm is detected and enabled IR_ALM BOOL When TRUE the Increasing False False Rate of Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing False False
64. for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 159 Library Function Blocks Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm ALARN_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 EV_ID 2 Warning below LO
65. from 0 False 3 3 to 103 3 of range EOUTL to EOUTH ERR REAL Error output PV SP False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 103 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Values Type PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per 4000 0 True 0 0 to 4000 0 Reset TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 0 True 2 00 to 20 00 DIR_ACT BOOL Reverse or Direct action False True EINL REAL Engineering unit Input Low 0 True EINH REAL Engineering unit Input High 100 0 True EOUTL REAL Engineering unit Output 0 True Low EOUTH REAL Engineering unit Output 100 0 True High ADAPTIVE PG_INT BOOL Adaptive Gain Init flag True False 2 104 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 16 2 16 1 Function PRIMARY_AFB PRIMARY Primary Controller Function Block Name PRIMARY_AFB compiled version of the Chart Function Block Number FB608 Chart Name PRIMARY See also Template Chart PRIMARY_SECONDARY_AT usage example The Primary Controller PRIMARY_AFB block is a factory compiled function block It is intended for use as a primary single loop PID controller with tracking setpoint as part of a cascade c
66. generated for the type or N A if used as chart SAMPLE_T REAL Current scan Compiler False rate supplied by generated for the OS type or N A if used as chart RSTRT_AUTO_FLAG BOOL Default Retain True False on WS Use load val on CS Force Use RSTRT_AUTO_ VALUE RSTRT_AUTO_ VALUE BOOL Init restart value False False for Auto Mode if RSTRT_AUTO_ FLAG true RSTRT_SP_FLAG BOOL Default Retain False False on WS Use load val on CS Force Use RSTRT_SP_VA LUE on restart RSTRT_SP_VALUE REAL Init restart value O False for SP if RSTRT_SP_FL AG true and Auto mode RSTRT_OUT_FLAG BOOL Default Retain True False on WS Use load val on CS Force Use RSTRT_OUT_V ALUE on restart 2 162 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name RSTRT_OUT_VALUE Data Type REAL Explanation Init restart value for OUT if RSTRT_OUT_F LAG true and manual mode Initial Oc amp M False Valid Values BA_EN BOOL Batch enabled True OCCUPIED BOOL Batch occupied True BA_ID DWORD Batch ID number True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step number True DecimalPlacesPV INT Decimal places displayed in HMI for PV SP etc True DecimalPlacesOUT INT Decimal places displayed in HMI for OUT OUT Limits True ConfirmChange BOOL If
67. initialize RAT_DES if and only if the RSTRT_ RAT_DES _FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_ RAT_DES _FLAG is set to false Default the RAT_DES parameter will be set in accordance with default PCS 7 behavior To force the EXT parameter to a specified value on a restart set the RSTRT_EXT_FLAG to true Force EXT and configure RSTRT_EXT_VALUE with the desired forced value Internal or External The RSTRT_EXT_VALUE will be used to initialize EXT if and only if the RSTRT_EXT_FLAG is true If RSTRT_EXT_FLAG is set to false Default the EXT parameter will be set in accordance with default PCS 7 behavior Forcing the EXT parameter to External will cause the SP to be set to the ESP thereby overriding the SP restart parameter settings To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly
68. is in effect The SETPNT_AFB function block does not ramp while in either manual or external modes If the block goes into external or manual while it previously had been in automatic and ramping the ramping mode is turned off To re enable ramping the block has to be placed into internal mode EXTRNL FALSE and automatic mode AUTO TRUE and then placed in the ramp mode RAMP TRUE The SP output value reflects the ramping of the block and the RTIME output value decrements to show the remaining ramp time The RRATE value must always be entered as positive ramp direction is based on the relationship of the target and the starting point The RRATE value is updated if the RTIME value is used and the RTIME value is updated if the RRATE value is used When the TARGET value has been reached the RAMP input is reset The HOLD mode is in effect if the RAMP input value changes from TRUE to FALSE while the RTIME value is greater than zero The HOLD output value TRUE to indicate this mode While in the hold mode the SP output value is held at its last value After a FALSE to TRUE transition of the RAMP input while the RTIME value is greater than zero but less than its initial value the ramp mode is continued The ramp mode can be continued in two different ways First if none PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 143 Library Function Blocks of the three ramp values TARGET RTIME or RRATE have changed the ramp
69. is set to auto False False when A_O PEN or A_CLSE changes state POS_TRANS_ ACLSE BOOL Indicates whether a positive False False transition is required to close the valve AUTO_TRANS_REQ BOOL When true A_LOPEN and False False A_CLSE inputs need to change state to issue open close cmd FAIL_ON_INTRLK BOOL Fail on interlock True False FAIL_ON_OPEN_CMD BOOL Fail on open command True False AiLIM BOOL Alarm 1 Limit True True A1DELAYIN TIME Into Alarm 1 Delay Time THOMS False 0 to 24d20h31m 23s647ms A1DELAYOUT TIME Out of Alarm 1 Delay Time THOMS False 0 to 24d20h31m 23s647ms A2LIM BOOL Alarm 2 Limit True True A2DELAYIN TIME Into Alarm 2 Delay Time THOMS False 0 to 24d20h31m 23s647ms A2DELAYOUT TIME Out of Alarm 2 Delay Time THOMS False 0 to 24d20h31m 23s647ms A3LIM BOOL Alarm 3 Limit True True PCS 7 APACS ES Library User s Guide for V6 1 2 176 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values A3DELAYIN TIME Into Alarm 3 Delay Time THOMS False 0 to 24d20h31m 23s647ms A3DELAYOUT TIME Out of Alarm 3 Delay Time THOMS False 0 to 24d20h31m 23s647ms A4LIM BOOL Alarm 4 Limit True True A4DELAYIN TIME Into Alarm 4 Delay Time THOMS False 0 to 24d20h31m 23s647ms A4DELAYOUT TIME Out of Alarm 4 Delay Time THOMS False 0 to 24d20h31m 2
70. mode use START STOP A1EN BOOL A1EN is used to enable disable True True the internal alarm A1LIM BOOL Alarm 1 limit True False A1DELAYIN TIME Into alarm 1 delay time THOM False 0 to S 24d20h31m2 3s647ms A1DELAYOUT TIME Out of alarm 1 delay time T 0M False 0 to S 24d20h31m2 3s647ms OOS BOOL OOS is used to signal that the False True internal alarm is Out Of Service DISABLE_ON_OOS BOOL Disable on Out of Service False False START BOOL START is used to start the False True motor when in Manual mode AUTO false STOP BOOL STOP is used to stop the motor False True when in Manual mode AUTO false STRT_T TIME START_TIME sets time limit for T 10S True PROOF to go true STOP_T TIME STOP_TIME sets time limit for T 10S True PROOF to go false 2 96 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 14 MOTOR_20UT_AFB 2 14 1 MOTOR_2OUT Motor with Two Outputs Function Block Name MOTOR_20UT_AFB compiled version of the Chart Function Block Number FB607 Chart Name MOTOR_20UT See also Template Chart MOTOR_20UT_AT usage example Function The Motor with Two Outputs MOTOR_2OUT block is intended for use as a start stop motor with a start output and a stop output The block is designed for a motor with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The A_STRT and A_STOP inp
71. modify and re compile them PCS 7 PCS 7 Original APACS Function Block FB Number Basic Application Library Block ANALOG_ALM_AFB FB 600 ANALOG_ALARM Analog Alarm BLK_VLV_1OUT_AFB_ FB 601 BLK_VLV_10UT Block Valve with One Output A BLK_VLV_2OUT_AFB FB 602 BLK_VLV_2OUT Block Valve with Two Outputs CASCADE_AFB FB 603 CASCADE Cascade Controller DISCRETE_ALM_AFB_ FB 604 DISCRETE_ALARM Discrete Alarm EXT_SET_AFB FB 605 EXT_SET External Setpoint Controller r MOTOR_10UT_AFB FB 606 MOTOR_1O0UT Motor with One Output s MOTOR_20UT_AFB FB 607 MOTOR_2OUT Motor with Two Outputs PRIMARY_AFB FB 608 PRIMARY Primary Controller RATIO_SET_AFB FB 609 RATIO_SET Ratio Setpoint Controller SECONDARY_AFB FB 610 SECONDARY Secondary Controller SINGLE_LOOP_AFB FB 611 SINGLE_LOOP Single Loop Controller SINGLE_LP_SS_AFB FB 612 SINGLE_LOOP_SS Single Loop Controller w Standby Sync MOTOR_A_ALM_AFB_ FB 613 MOTOR_A_ALM Motor with Alarm VALVE_A_ALM_AFB FB 614 VALVE_A_ALM Valve with Alarm PCS 7 APACS ES Library User s Guide for V6 1 2 2 A5E00595270 01 Library Function Blocks 2 2 AALM_AFB 2 2 1 AALM_AFB Analog Alarm Function Block Name AALM_AFB Function Block Number FB503 Function The Analog Alarm Function Block AALM_AFB is intended for detecting and signaling abnormal data valu
72. monitored for False False alarms EN8 amp BOOL When TRUE alarm8 is enabled False False OOS BOOL Out Of Sevice indicator False True EV_ID DWORD Event ID This value is a unique None False message number supplied by PCS 7 There is one for each message i e ALARM_8P block called BA_NA STRING 32 Batch name i False BA_ID DWORD Batch ID number 0 False STEP_NO DWORD Batch step number 0 False Note This list differs from the inputs of the DALM_AFB block in APACS as follows e There are now eight inputs and enables e Only the first alarm s input and enable will be visible so that the block will look like the APACS HLLDA 1 block e The parameter EV_ID was added to support the message system e Batch parameters BA_NA BA_ID STEP_NO are added to pass batch values in alarm messages Output Name Data Explanation Initial OC amp M Valid Type Values ALM1 BOOL When TRUE alarm1 is detected and False False enabled NAK1 BOOL When TRUE alarm1 alarm is tripped but False False not acknowledged ALM2 BOOL When TRUE alarm2 is detected and False False enabled NAK2 BOOL When TRUE alarm2 is tripped but not False False acknowledged ALM3 BOOL When TRUE alarm3 is detected and False False enabled NAK3 BOOL When TRUE alarm3 is tripped but not False False acknowledged ALM4 BOOL When TRUE alarm4 is detected and False False enabled NAK4 BOOL When TRUE alarm4 is tripped but not False False acknowledged ALM5 BOOL When
73. motor to be controlled If there is no run feedback the simulation can be switched on at driver block FB_RUN SIM_ON 1 Simulation of motor proof is accomplished by delaying the MOTOR block s OUT signal via a TIMER_P block SIMULATION Note that the TIMEO parameter should be less than MOTOR block s STRT_T and STOP_T parameters Parameter Assignment Faults See also Configure the following parameters for your application e To set the MOTOR block s maximum allowed time to start and stop set the parameter STRT_T and STOP_T of the MOTOR block which are marked for IEA individually e _Interlocks and Interlock descriptions e Permit and Permit description Channel faults are detected by the input and output drivers MOTOR_A_ALM_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Template Charts 3 8 MOTOR_10UT_AT This template can be used to implement a motor start stop with one output The block is designed for a motor with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The block has inputs PROOF A_STRT A_STOP and INTRLK for the proof auto start command auto stop command and interlock and outputs OUT and FAIL for the output and failure status of the motor respectively The motor circuit contains apart from the motor block a digital input driver and digital output driver Interconnections The signal for the f
74. secondary loop and the cascade status of the secondary loop is fed to the primary loop High and low alarms are provided for each process variable and an alarm is provided for deviation between process variable and setpoint The PRIMARY block has inputs PV FDBK and CASC_S for the process variable feedback and cascade status and outputs SP_OUT OUT and ALARM for the setpoint output and alarm status of the loop respectively The SECONDARY block has inputs PV and ESP for the process variable and external setpoint and outputs SP_OUT OUT ALARM and CASC_S for the setpoint output alarm status and cascade status of the loop respectively The control loop contains apart from the controller two input drivers PRIMARY_PV_IN SECONDARY_PV_IN an output driver SECONDARY_VL_OUT and delay elements for simulation Interconnections Simulation The signal for the primary value must be connected to the VALUE input of block PRIMARY_PV_IN via symbolic addressing The signal for the secondary value must be connected to the VALUE input of block SECONDARY_PV_IN via symbolic addressing The VALUE output of the SECONDARY_VL_OUT block must be connected via symbolic addressing to the signal for the actuator to be controlled During the configuring phase the controller can be tested with the delay element This merely requires that input SIM_ON of block PRIMARY_PV_IN and the input SIM_ON of block SECONDARY_PV_IN be switched on The Simulate Secondary
75. the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 17 Library Function Blocks ALARN_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 EV_ID 2 Warning below LOW BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process Control OUT_OF_RANGE BlockComment Message Failure EV_ID 7 PLC Process Control QUALITY_NOT_GOOD Message Failure BlockComment EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 I EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 F Assignment of auxiliary process values to the block parameters ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 f H_LIM E
76. time the T OMS False 0 to input quality must be good 24d20h31m to cause the Quality Not 23s647ms Good alarm to clear P_DISABLE_ON_OOS BOOL When set to TRUE the False False block is disabled if OOS is also TRUE S_SP REAL Computer set point value 0 True S_ RAMP BOOL SP ramping on off mode False True control S_R_TIME TIME Ramp time T HOMS True 0 to 24d20h31m 23s647ms S_SPL REAL Set point low limit 0 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 49 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values S_SPH REAL Set point high limit 100 True S_R_RATE REAL Ramp rate in engineering 0 True units per min S_USE_RR BOOL Ramp mode control Use False True RTIME or RRATE to control ramp S_PV_TRACK BOOL Internal setpoint tracking True True control When Track internal setpoint tracks PV S_ PG REAL Proportional Gain 0 001 True 0 001 to 100 0 STI REAL Time Integral Minutes per 4000 True 0 0 to Reset 4000 0 S_TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 S DG REAL Derivative Gain 10 True 2 00 to 20 00 S_DIR BOOL Reverse or Direct action False True S_ADAPTIVE_PG_INIT BOOL Adaptive Gain Init flag True False S_PV_EUMIN REAL Engineering unit Input 0 True Low S_PV_EUMAX REAL Engineering unit Input 100 True High S_VL_EUMIN REAL Engineering unit Output 0 Tr
77. to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if and only if the RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after
78. to start the motor True False when in Manual mode AUTO false STOP BOOL STOP is used to stop the motor True False when in Manual mode AUTO false STRT_T TIME START_TIME sets time limit for T 10S True PROOF to go true STOP_T TIME STOP_TIME sets time limit for T 10S True PROOF to go false PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 101 Library Function Blocks 2 15 2 15 1 Function PID_AFB PID_AFB Proportional Integral Derivative Function Block Name PID_AFB Function Block Number FB501 The PID_AFB performs Proportional Integral Derivative PID control functions It can also be used as the basis for a PI controller by setting the derivative time value to 0 0 min The block utilizes reset feedback allowing for various control schemes including override reset limiting etc When the AUTO value FALSE the block operates in tracking mode OUT value FDBK value The PID block inputs PV SP amp FDBK and its outputs OUT ERR are in engineering units The PID equation is defined using normalized values Engineering values are converted to and from normalized values with user defined operating limits for both the process input and process output The operating limits are obtained from the process flowsheets or sensor actuator ranges Any transition of the INIT input causes execution of the initialization equations which recalculate the reset component so that the OUT v
79. value in engineering units to which the PV input is compared for the Low alarm True L_DB REAL The amount of engineering units by which PV must be within the limit for the Low alarm to clear 0 5 True L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True LD_DB REAL The amount of engineering units by which DEV PV must be within the limit for the Low Deviation alarm to clea
80. variable and setpoint The controller block has a PV input for the process variable It also has SP_OUT OUT and ALARM outputs for the setpoint output and alarm status of the loop respectively The control loop contains apart from the controller an input driver PV_IN an output driver OUTPUT and a delay element for simulation Interconnections The signal for the actual value must be connected to the VALUE input of block PV_IN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the actuator to be controlled Simulation During the configuring phase the controller can be tested with the delay element This merely requires that input SIM_ON of block PV_IN be switched on The Simulation CFC implements simple simulation by feeding back a scaled lagged copy of the CONTROLLER s OUT signal Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment To scale the input signal set the Process Value engineering high via the input driver PV_IN s VHRANGE input and the Process Value engineering low via PV_IN s VLRANGE input These engineering limits will be conveyed to the CONTROLLER s PV_EUMAX and PV_EUMIN respectively To scale the output signal set the Control OUT value engineering high via CONTROLLER s VL_EUMAX input and the Control OUT Engineering Low via CONTROLLER s VL_EUMIN input These engineering limits will be conveyed to t
81. which PV must be within the limit for the High High alarm to clear 0 5 True HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T OMS False 0 to 24d20h31m23 s647ms HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms LL_LIM REAL The value in engineering units to which the PV input is compared for the Low Low alarm True LL_DB REAL The amount of engineering units by which PV must be within the limit for the Low Low alarm to clear 0 5 True LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm T OMS False 0 to 24d20h31m23 s647ms LL_DELAYOUT TIME The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms IR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm True IR_DB REAL The amount of engineering units by which PV must be within the limit for the Increasing Rate of Change alarm to clear 0 5 True IR_DELAYIN TIME The amount of time the input must reach or exceed the Increasing Rate of Change limit to trip a
82. with the desired forced value Internal or External The RSTRT_EXT_VALUE will be used to initialize EXT if and only if the RSTRT_EXT_FLAG is true If RSTRT_EXT_FLAG is set to false Default the EXT parameter will be set in accordance with default PCS 7 behavior Forcing the EXT parameter to External will cause the SP to be set to the ESP thereby overriding the SP restart parameter settings To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online v
83. 0 5 True DR_DELAYIN TIME The amount of time the input must reach or exceed the Decreasing Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms DR_DELAYOUT TIME The amount of time the input must be within the Decreasing Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms AR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Absolute Rate of Change alarm True AR_DB REAL The amount of engineering units by which PV must be within the limit for the Absolute Rate of Change alarm to clear 0 5 True AR_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms AR_DELAYOUT TIME The amount of time the input must be within the Absolute Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 169 Library Function Blocks is disabled if OOS is also TRUE Name Data Explanation Initial OC amp M Valid Values Type OOR_DELAYIN TIME The amount of time the input THOMS False 0 to must be outside the limits 24d20h31m2 EINH EINL to trip the Out of 3s647m
84. 01 2 5 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values EV_ID DWORD Event ID This value is a unique None False message number supplied by PCS 7 There is one for each message i e ALARM_8P block called EV_ID2 DWORD Event ID This value is a unique None False message number supplied by PCS 7 There is one for each message i e ALARM_8P block called BA_NA STRING 32 Batch name A False BA_ID DWORD Batch ID number 0 False STEP_NO DWORD Batch step number 0 False Note This list differs from the inputs of the AALM_AFB block in APACS as follows e In APACS there are only four enables There is now an enable for every alarm type e The parameter QBAD was added to get quality information from the control system e The parameters EV_ID and EV_ID2 were added to support the message system e Batch parameters BA_NA BA_ID STEP_NO are added to pass batch values in alarm messages Output Name Data Explanation Initial OC amp M Valid Type Values ALM_HIGH BOOL When TRUE the High alarm is False False detected and enabled NAK_HIGH BOOL When TRUE the High alarm is False False tripped but not acknowledged ALM_LOW BOOL When TRUE the Low alarm is False False detected and enabled NAK_LOW BOOL When TRUE the Low alarm is False False tripped but not acknowledged ALM_H_DEV BOOL When TRUE the High Deviation False False
85. 02 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP EXT and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual EXT will be forced to PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Internal and OUT will be forced to 0 0 on a CPU restart SP will be set in accordance with default PCS 7 behavior To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if and only if the RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the EXT parameter to a specified value on a restart set the RSTRT_EXT_FLAG to true Force EXT and c
86. 0h3 1m23s64 7ms A2LIM BOOL Alarm 2 Limit True False A2DELAYIN TIME Into Alarm 2 Del ay Time THOMS False 0 to 24d20h3 1m23s64 7ms A2DELAYOUT TIME Out of Alarm 2 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms A3LIM BOOL Alarm 3 Limit True False PCS 7 APACS ES Library User s Guide for V6 1 2 90 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values A3DELAYIN TIME Into Alarm 3 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms A3DELAYOUT TIME Out of Alarm 3 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms A4LIM BOOL Alarm 4 Limit True False A4DELAYIN TIME Into Alarm 4 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms A4DELAYOUT TIME Out of Alarm 4 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms DISABLE_ON_OOS BOOL Disable on Out of Service False False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 91 Library Function Blocks 2 13 2 13 1 Function MOTOR_10OUT_AFB MOTOR_10UT Motor with One Output Function Block Name MOTOR_10UT_AFB compiled version of the Chart Function Block Number FB606 Chart Name MOTOR_10UT See also Template Chart MOTOR_10UT_AT usage example The Motor with One Output MOTOR_10OUT is intended for use as a start stop motor with one output The block is designed for a motor with auto manual operation pulse commands an
87. 3s647ms DISABLE_ON_OOS BOOL Disable on Out of Service False False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 177 Library Function Blocks 2 23 2 23 1 Function 2 178 VALVE_A_AFB VALVE_A_AFB Standard Valve Function Block Name VALVE_A_AFB Function Block Number FB506 The Standard Valve Function Block VALVE_A_AFB provides standard motor start stop functions that can be easily interfaced to an operator station This block is based on the APACS VALVE_A function block This block can receive commands from programmed logic such as a sequential function chart SFC while in automatic mode or it can receive operator entered commands from an operator interface while in manual mode The OP_VER and CL_VER inputs receive the open and close verify signals indicating the state of the valve A TRUE indicates that the condition is verified This block accommodates fail open valves as well as the normal fail closed valves The OUT output value establishes the state of the valve where TRUE open and FALSE close for a fail close valve and TRUE close and FALSE open for a fail open valve The AUTO parameter indicates the auto manual state This state can be changed external to the block It can also be changed by the block itself depending on In Out parameters When the block is in manual mode AUTO FALSE commands to the block are received via a write of TRUE to the OPEN or CLOSE In O
88. A5E00595270 01 Library Function Blocks Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message 1 Message Class Failure Default Message Text PLC Process Control Message Valve Feedback Failure BlockComment Assignment of auxiliary process values to the block parameters 1 s _ BA_NA Value Block Parameter 2 d _ BA_ID 3 d _ STEP_NO 2 23 1 1 VALVE_A_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values OP_VER BOOL Open Verification input False True CL_VER BOOL Closed Verification input False True A_OPEN BOOL Automatic Open False False command input A_CLSE BOOL Automatic Close False False command input PERMIT BOOL Permitted to Open input True True MODE BOOL Mode input from a False False sequential function chart INTO1 BOOL Interlock 1 True True INTO2 BOOL Interlock 2 True True INTO3 BOOL Interlock 3 True True INT04 BOOL Interlock 4 True True INTO5 BOOL Interlock 5 True True INTOG BOOL Interlock 6 True True INTO7 BOOL Interlock 7 True True INTO8 BOOL Interlock 8 True True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 181 Library Fun
89. A_STOP BOOL Automatic Stop False False command input PERMIT BOOL Permitted to Start input True True MODE BOOL Mode input from of a False False sequential function chart O Manual 1 Auto INTO1 BOOL Interlock 1 True True INTO2 BOOL Interlock 2 True True INTO3 BOOL Interlock 3 True True INT04 BOOL Interlock 4 True True INTO5 BOOL Interlock 5 True True INTOG BOOL Interlock 6 True True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 79 Library Function Blocks Name Data Type Explanation Initial oc amp Valid M Values INTO7 BOOL Interlock 7 True True INTO8 BOOL Interlock 8 True True INTO9 BOOL Interlock 9 True True INT10 BOOL Interlock 10 True True INT11 BOOL Interlock 11 True True RSTRT_AUTO_FLAG BOOL Default Retain on WS True False Use load val on CS Force Use RSTRT_AUTO_VALU E on restart RSTRT_AUTO_ VALUE BOOL Init restart value for False False Auto Mode if RSTRT_AUTO_FLAG true RSTRT_OUT_FLAG BOOL Default Retain on WS True False Use load val on CS Force Use RSTRT_OUT_VALUE on restart RSTRT_OUT_VALUE BOOL Init restart value for False False OUT if RSTRT_OUT_FLAG PERMIT_DESC STRING 32 Permit Description x True INT01_DESC STRING 32 Interlock 1 Description True INT02_DESC STRING 32 Interlock 2 Description True INT03_DESC S
90. Absolute Rate of Change limit to 23s647ms trip an alarm AR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear OOR_DELAYIN TIME The amount of time the input THOMS False 0 to must be outside the limits EINH 24d20h31m EINL to trip the Out of Range 23s647ms alarm OOR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the limits EINH 24d20h31m EINL to cause the Out of Range 23s647ms alarm to clear PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 115 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip the 24d20h31m Quality Not Good alarm 23s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to cause 24d20h31m the Quality Not Good alarm to 23s647ms clear DISABLE_ON_OOS BOOL When set to TRUE the block is False False disabled if OOS is also TRUE 2 116 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 17 RATIO_SET_AFB 2 17 1 RATIO_SET Ratio Setpoint Controller Function Block Name RATIO_SET_AFB compiled version of the Chart Function Block Number FB609 Chart Name RATIO_SET See also Template Ch
91. BOOL INTRLK forbids False True activation of the valve SAMPLE_T REAL Sample time in Compiler False seconds generated RSTRT_AUTO_FLAG BOOL Default retain on WS False True Use load val on CS Force Use RSTRT_AUTO_VALUE on restart RSTRT_AUTO_ VALUE BOOL Init restart value for Auto False False Mode if RSTRT_AUTO_FLAG true EV_ID DWORD Event ID Compiler False generated PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 31 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values LIOP_MAN_SEL BOOL Select AUTO MANUAL False False 1 Linking 0 Operator active AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name i True STEP_NO DWORD Batch step number 0 True ConfirmChange BOOL If TRUE changes from False True HMI must be confirmed Note This list differs from the inputs of the BLK_VLV_2OUT_AFB block in APACS as follows e Restart parameters RSTRT_ did not exist in APACS e EV_ID and SAMPLE_T did not exist in APACS Output Name Data Explanation Initial OC amp M Valid Values Type OP_OUT BOOL OP_OUT is used to request that the valve THOMS False 0 to open 24d20h31m2 3s647ms CL_OUT BOOL CL_OUT is used to reque
92. BOOL Select False False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO Output Name Data Explanation Initial OC amp M Valid Type Values OUT BOOL Output used to ultimately control the False True valve INTRLK BOOL Interlock OK output False True READY BOOL Ready output False False STATE INT State of the valve 0 True ALARM_STA_ INT Alarm state 0 False TE ALM1 BOOL Alarm 1 False False ALM2 BOOL Alarm 2 False False ALM3 BOOL Alarm 3 False False ALM4 BOOL Alarm 4 False False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 175 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values FAIL BOOL Indicates whether valve has a False True fault condition AUTO BOOL Auto mode output False True OVERRD BOOL Override output False True FAIL_OPEN BOOL Indicates fail safe state of valve False True OPEN BOOL Open command value for False True manual mode CLOSE BOOL Close command value for False True manual mode OPEN_T TIME Maximum time allowed to open T 10S True the valve CLOS_T TIME Maximum time allowed to close T 10S True the valve AUTO_TRACK BOOL If true block is set to auto False False mode when SFC transitions to AUTO MODE_HOLD_AUTO BOOL Indicates whether block held in False False auto mod e while SFC is in auto mode ACCEPT_ANY_AUTO BOOL When true block
93. CS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name RSTRT_SP_VALUE Data Type REAL Explanation Init restart value for SP if RSTRT_SP_FL AG true and Auto mode Initial Ooc amp M False Valid Values RSTRT_OUT_FLAG BOOL Default Retain on WS Use load value on CS Force Use RSTRT_OUT_V ALUE on restart True False RSTRT_OUT_VALUE REAL Init restart value for OUT if RSTRT_OUT_F LAG true and manual mode False BA_EN BOOL Batch enabled True OCCUPIED BOOL Batch occupied True BA_ID DWORD Batch ID number True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step number True DecimalPlacesPV INT Decimal places displayed in HMI for PV SP etc True DecimalPlacesOUT INT Decimal places displayed in HMI for OUT OUT Limits True ConfirmChange BOOL If TRUE changes from HMI must be confirmed False True LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False AUT_L BOOL Linkable input for AUTO MANUAL mode 1 AUTO False LIOP_EXT_SEL BOOL Select External Internal SP flag 1 from Link 0 from Operator False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 69 Library Function Blocks
94. CS 7 ES look very similar to DFBs opened in 4 mation However the source charts are not open blocks they are compiled to create function blocks Both charts and the FBs created from them can be placed in CFCs but only charts can be opened On the other hand faceplates can only be associated with function blocks not charts Restart Logic Explanation APACS uses local variables Input output nubs and softlist parameters to define the operational state of a control algorithm In APACS the initial value of local variables is used to automatically force the given state of a control object For example the control object Single_Loop can be forced to Auto on a cold start by setting the initial value of the local variable AUTO to TRUE Within APACS the only way in which the initial value of AUTO can be changed is from the engineering console using 4 mation to edit this value PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 5 1 Differences between APACS and PCS 7 PCS 7 combines the functions of local variables Input output nubs and softlist parameters into block parameters Block parameters can be viewed as physical Input output nubs on the block or by selecting to view the block parameters You might say that all parameters are now softlist parameters that can also be viewed as block nubs on a per instance basis by the user Referring back to the example of Single_Loop operating within PCS 7 the user can define the initi
95. C_DELAYOUT TIME The amount of time T Od0hOm0s0ms False the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear D_ROC_LIMIT REAL The value in 0 True engineering units per minute to which the PV input is compared for the Decreasing Rate of Change alarm D_ROC_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the Decreasing Rate of Change alarm to clear D_ROC_DELAYIN TIME The amount of time T Od0hOm0s0ms False the input must reach or exceed the Decreasing Rate of Change limit to trip an alarm D_ROC_DELAYOUT TIME The amount of time T Od0hOm0sOms False the input must be within the Decreasing Rate of Change limit and deadband to cause the alarm to clear PCS 7 APACS ES Library User s Guide for V6 1 2 12 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values A_ROC_LIMIT REAL The value in 0 True engineering units per minute to which the PV input is compared for the Absolute Rate of Change alarm A_ROC_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the Absolute Rate of Change alarm to clear A_ROC_DELAYIN TIME The amount of time T Od0hOm0s0ms False the input must reach or exceed the Absolute Rate of change limit to trip an alarm A_ROC_DELAYOUT TIME The amount o
96. Comment Limit 6 EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 Assignment of auxiliary process values to the block parameters ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 f H_LIM EV_ID 5 f L_LIM EV_ID 6 f HD_LIM EV_ID 7 f LD_LIM PCS 7 APACS ES Library User s Guide for V6 1 2 66 A5E00595270 01 Library Function Blocks ALARM_8P ID Value Block Parameter EV_ID 8 f AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 fI HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6 FI IR_LIM EV_ID2 7T I DR_LIM EV_ID2 8 F AR_LIM 2 10 1 1 EXT _SET_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process 0 True Variable TSP REAL SP target value 0 True for SP ramping H_EN BOOL Enable High True True Alarm L_EN BOOL Enable Low True True Alarm HD_EN BOOL Enable High False True Deviation Alarm LD_EN BOOL Enable Low False True Deviation Alarm AD_EN BOOL Enable Absolute True True Deviation Alarm OOR_EN BOOL Enable Out of False True Range Alarm QUAL_EN BOOL Enable Quality False True Not Good Alarm HH_EN BOOL Enable High False True High Alarm L
97. DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m2 3s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm THOMS False 0 to 24d20h31m2 3s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m2 3s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True LD_DB REAL The amount of engineering units by which DEV PV must be within the limit for the Low Deviation alarm to clear 0 5 True LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms AD_LIM REAL The
98. DELAYOUT TIME Out of alarm 1 delay time T OMS False 0 to 24d20h31m 23s647ms OOS BOOL OOS indicates that the internal False True alarm is Out of Service DISABLE_ON_OOS_ BOOL Disable on Out of Service False False OPEN BOOL OPEN opens the valve when in False True Manual mode AUT O false CLOSE BOOL CLOSE closes the valve when False True in Manual mode AUT O false TRAV_T TIME TRAV_T sets time limit for T 10S True confirmation of open close request 2 28 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 6 2 6 1 Function BLK_VLV_20UT_AFB BLK_VLV_2O0UT Block Valve with Two Outputs Function Block Name BLK_VLV_20OUT_AFB compiled version of the Chart Function Block Number FB602 Chart Name BLK_VLV_2OUT See also Template Chart BLK_VLV_20UT_AT usage example The Block Valve with Two Outputs BLK_VLV_2OUT is intended for use as an open close block valve with both an open output and a close output It is designed for a valve with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The A_OPEN and A_CLSE inputs are intended to input command pulses from a sequence The parameter AUTO determines the source of the open close commands In auto mode AUTO TRUE the auto inputs A_OPEN and A_CLSE are active and in manual mode AUTO FALSE the parameters OPEN an
99. DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process Control OUT_OF_RANGE BlockComment Message Failure EV_ID 7 PLC Process Control QUALITY_NOT_GOOD Message Failure BlockComment EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 I EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 Assignment of auxiliary process values to the block parameters ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 fI H_LIM EV_ID 5 f L_LIM EV_ID 6 f HD_LIM EV_ID 7 f LD_LIM EV_ID 8 f AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 fI HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6 FI IR_LIM EV_ID2 7T I DR_LIM EV_ID2 8 F AR_LIM PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 107 Library Function Blocks 2 16 1 1 PRIMARY_AFB Input Output Input Name Data Explanation Initial OC amp M Valid Type Values PV REAL Process Var
100. DEV REAL Deviation The difference 0 False between this input and the PV input is monitored when a deviation alarm is selected EN_HIGH BOOL When TRUE the High alarm is False True enabled EN_LOW BOOL When TRUE the Low alarm is False True enabled EN_H_DEV BOOL When TRUE the High Deviation False True alarm is enabled EN_L DEV BOOL When TRUE the Low Deviation False True alarm is enabled EN_A DEV BOOL When TRUE the Absolute False True Deviation alarm is enabled EN_OORANGE BOOL When TRUE the Out of Range False True alarm is enabled EN_QUALITY BOOL When TRUE the Quality Not False True Good alarm is enabled EN_HH BOOL When TRUE the High High alarm False True is enabled EN_LL BOOL When TRUE the Low Low alarm False True is enabled EN_I_ ROC BOOL When TRUE the Increasing Rate False True of Change alarm is enabled EN_D_ROC BOOL When TRUE the Decreasing False True Rate of Change alarm is enabled EN_A_ROC BOOL When TRUE the Absolute Rate False True of Change alarm is enabled OOS BOOL Out of Service indicator False True QBAD BOOL Bad quality indicator This value False False is a hardware diagnostic showing whether the quality of PV is bad This input should be connected to the QBAD output of the channel driver feeding PV It is initialized to FALSE so that the quality is good if the parameter is unconnected PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270
101. Default the OUT parameter will be set in accordance with default PCS 7 behavior A Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 93 Library Function Blocks Message Message Class 1 PLC Process Control Message Failure Defa
102. E any FALSE interlocks or permit are overridden the INTRLK value is set TRUE and the motor is allowed to run OVERRD may be enabled by a tag write from outside the block For display at an HMI there are In Out values that hold descriptors for the permit PERMIT and the interlock INT01 INT11 inputs This block contains failure checking features that set the FAIL value to TRUE when a problem is detected The detected problems include e Failure to start before the STRT_T has expired e Failure to stop before the STOP_T has expired e Loss of proof e Uncommanded stop due to loss of an interlock enabled by setting the FAIL_ON_INTRLK value to TRUE e Rejected start command due to missing permissive or interlock checking for this failure is always enabled when MODE TRUE and for all conditions by setting the FAIL_LON_STRT_CMD value to TRUE The FAIL value is set TRUE when a fail condition is detected It remains TRUE until it is reset by a tag write from outside of the block by acknowledge logic or an operator command When FAIL is TRUE the OUT output value is held FALSE The ALARM_STATE value an integer is provided to indicate the specific failure condition that occurred The READY output indicates that the motor is ready to receive auto commands where TRUE indicates that the motor is in auto mode and the interlocks are not overridden The STATE output is an integer value that represents the various states of the motor The
103. EAL Derivative Gain 10 True 2 00 to 20 00 ADAPTIVE _PG_INIT BOOL Adaptive Gain Init flag True False DIR BOOL Reverse or Direct action False True PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output 0 True Low VL_EUMAX REAL Engineering unit Output 100 True High VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3 3 True VLH REAL OUT high limit input 103 3 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 155 Library Function Blocks Name H_LIM Data Type REAL Explanation The value in engineering units to which the PV input is compared for the High alarm Initial 100 OC amp M True Valid Values REAL The amount of engineering units by which PV must be within the limit for the High alarm to clear 0 5 True H_DELAYIN TIME The amount of time the input must reach or exceed the High limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms H_DELAYOUT TIME The amount of time the input must be within the High limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms L_LIM REAL The value in engineering units to which the PV input is compared for the Low alarm True L_DB REAL The amount of engineerin
104. FC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 2 30 A5E00595270 01 Library Function Blocks Message 1 Message Class PLC Process Control Message Failure Default Message Text Valve Feedback Failure BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d STEP_NO 2 6 1 1 BLK_VLV_20UT_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values OP_VER BOOL OP_VER feedback to False True verify that the valve is open CL_VER BOOL CL_VER feedback to False True verify that the valve is closed A_OPEN BOOL A_OPEN is intended to False False allow internal logic to automatically open the valve A_CLSE BOOL A_CLSE is intended to False False allow internal logic to automatically close the valve INTRLK
105. False WS Use load value on CS Force Use RSTRT_EXT_VALU E on restart RSTRT_EXT_VALUE BOOL Init restart value for False False EXTernal if RSTRT_EXT_FLAG true RSTRT_SP_FLAG BOOL Default Retain on False False WS Use load value on CS Force Use RSTRT_SP_VALUE on restart RSTRT_SP_VALUE REAL Init restart value for 0 False SP if RSTRT_SP_FLAG true and Auto mode RSTRT_RAT_DES_ FLAG BOOL Default Retain on False False WS Use load value on CS Force Use RSTRT_OUT_VALU E on restart RSTRT_RAT_DES_ VALUE REAL Init restart value for 0 False RAT_DES if RSTRT_RAT_DES FLAG true RSTRT_OUT_FLAG BOOL Default Retain on True False WS Use load value on CS Force Use RSTRT_OUT_VALU E on restart RSTRT_OUT_VALUE REAL Init restart value for 0 False OUT if RSTRT_OUT_FLAG true and manual mode BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name fs True STEP_NO DWORD Batch step number 0 True DecimalPlacesPV INT Decimal places 2 True displayed in HMI for PV SP etc DecimalPlacesOUT INT Decimal places 2 True displayed in HMI for OUT OUT Limits PCS 7 APACS ES Library User s Guide for V6 1 2 122 A5E00595270 01 Library Function Blocks Name DecimalPlacesRATIO Data Type INT Explanation Decimal places displayed in HM
106. False Oto must reach or exceed the 24d20h31m23 Absolute Rate of Change limit to s647ms trip an alarm AR_DELAYOUT TIME The amount of time the input THOMS False Oto must be within the Absolute 24d20h31m23 Rate of Change limit and s647ms deadband to cause the alarm to clear OOR_DELAYIN TIME The amount of time the input THOMS False Oto must be outside the limits EINH 24d20h31m23 EINL to trip the Out of Range s647ms alarm OOR_DELAYOUT TIME The amount of time the input THOMS False Oto must be within the limits EINH 24d20h31m23 EINL to cause the Out of Range s647ms alarm to clear QUAL_DELAYIN TIME The amount of time the input THOMS False Oto quality must be bad to trip the 24d20h31m23 Quality Not Good alarm s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False Oto quality must be good to cause 24d20h31m23 the Quality Not Good alarm to s647ms clear DISABLE_ON_OOS BOOL When set to TRUE the block is False False disabled if OOS is also TRUE PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 75 Library Function Blocks 2 11 2 11 1 Function 2 76 MOTOR_A_AFB MOTOR_A_AFB Standard Motor Function Block Name MOTOR_A_ AFB Function Block Number FB505 The Standard Motor Function Block MOTOR_A_AFB provides standard motor start stop functions that can be easily interfaced to an operator station This block is based on the APACS MOTOR _A function block
107. False True IN1 value is compared for alarm1 ALARM1_DELAYIN TIME The amount of time T Od0hOm0sOms False the input must remain at the limit to trip alarm1 ALARM1_DELAYOUT TIME The amount of time T O0d0hOm0sOms False the input must remain not at the limit to cause alarm1 to clear ALARM2_LIMIT BOOL The value to which IN2 False False is compared for alarm2 2 58 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name ALARM2_DELAYIN Data Type TIME Explanation The amount of time the input must remain at the limit to trip alarm2 Initial T 0d0hOm0sOms Oc amp M False Valid Values ALARM2_DELAYOUT TIME The amount of time the iput must remain not at the limit to cause alarm2 to clear T 0d0hOm0sOms False ALARM3_LIMIT BOOL The value to which the IN3 is compared for alarm3 False False ALARM3_DELAYIN TIME The amount of time the input must remain at the limit to trip alarm3 T 0d0hOm0sOms False ALARM3_DELAYOUT TIME The amount of time the input must remain not at the limit to cause alarm3 to clear T 0d0hOm0sOms False ALARM4_LIMIT BOOL The value to which IN4 is compared for alarm4 False False ALARM4_DELAYIN TIME The amount of time the input must remain at the limit to trip alarm4 T 0d0hOm0sOms False ALARM4_DELAYOUT TIME
108. I for RAT_ACT RAT_DES Initial oc amp M True Valid Values ConfirmChange BOOL If TRUE changes from HMI must be confirmed False True LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False AUT_L BOOL Linkable input for AUTO MANUAL mode 1 AUTO False LIOP_EXT_SEL BOOL Select External Internal SP flag 1 from Link 0 from Operator False EXTRNL_L BOOL Linkable input to select External Internal SP flag 1 Extrnl False LIOP_ISP_SEL BOOL Select internal SP 1 from Link 0 from Operator False SP_L REAL Linkable input for internal Setpoint 0 0 False LIOP_OUT_SEL BOOL Select writing to OUT 1 from Link 0 from Operator False OUT_L REAL Linkable input to be written to OUT 0 0 False LIOP_RATIO_ SEL BOOL Select desired ratio 1 from Link 0 from Operator False RAT_DES _L REAL Linkable input for desired ratio 0 0 False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 123 Library Function Blocks Output Name Data Type Explanation Initial OC amp M Valid Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that O False has been limited RAT_ACT REAL Actual Ratio Value
109. ID 6 PLC Process OUT_OF_RANGE BlockComment Control Message Failure EV_ID 7 PLC Process QUALITY_NOT_GOOD Control Message BlockComment Failure EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 F PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 119 Library Function Blocks ALARM_8P ID Message Message Class Default Message Text EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 f EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 I EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 Assignment of auxiliary process values to the block parameters 2 120 ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 f H_LIM EV_ID 5 f L_LIM EV_ID 6 f HD_LIM EV_ID 7 f LD_LIM EV_ID 8 f AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 f HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6 f IR_LIM EV_ID2 7T I DR_LIM EV_ID2 8 f AR_LIM PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 17 1 1 RATIO _SET_AFB Input Output Inpu
110. L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True STEP_NO DWORD Batch step number 0 True BA_NA STRING 32 Batch name S True ConfirmChange BOOL If TRUE changes from False True HMI must be confirmed 2 182 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Note This list differs from the inputs of the VALVE_A_AFB block in APACS as follows Each input shown above with datatype STRING was a softlist parameter in APACS The INTO1_DESC through INTO9_DESC have slightly different names than their APACS counterparts In APACS a leading zero was excluded making the names INT1_DESC through INT9_DESC EV_ID parameter is a new input and is required for the PCS 7 version to support alarming This parameter did not exist in APACS Restart parameters RSTRT_ did not exist in APACS LIOP_MAN_SEL and AUT_L added to provide alternate for SET_VAL function Batch parameters BA_EN OCCUPIED are added to support future batch faceplate view Batch parameters BA_NA BA_ID STEP_NO are added to pass batch values in alarm messages ConfirmChange added to give APACS users expected feel of one step operator entry Output Name Data Explanation Initial OC amp M Valid Type Values OUT BOOL Output used to ultimately control the False
111. L_EN BOOL Enable Low Low False True Alarm IR_EN BOOL Enable False True Increasing Rate of Change Alarm DR_EN BOOL Enable False True Decreasing Rate of Change Alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 67 Library Function Blocks load value on CS Force Use RSTRT_SP_VA LUE on restart Name Data Type Explanation Initial OC amp M Valid Values AR_EN BOOL Enable Absolute False True Rate of Change Alarm OOS BOOL Out of Service False True indicator QBAD BOOL Bad quality False False indicator EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID2 DWORD Event ID Compiler False generated for the type or N A if used as chart ESP REAL External set 0 True point SAMPLE_T REAL Current scan Compiler False rate supplied by generated for OS the type or N A if used as chart RSTRT_AUTO_FLAG BOOL Default Retain True False on WS Use load value on CS Force Use RSTRT_AUTO_ VALUE on restart RSTRT_AUTO_VALUE BOOL Init restart value False False for Auto Mode if RSTRT_AUTO_ FLAG true RSTRT_EXT_FLAG BOOL Default Retain True False on WS Use load value on CS Force Use RSTRT_EXT_V ALUE on restart RSTRT_EXT_VALUE BOOL Init restart value False False for EXTernal if RSTRT_EXT_F LAG true RSTRT_SP_FLAG BOOL Default Retain False False on WS Use 2 68 PCS 7 APA
112. Limit 7 f EV_ID4 5 Warning Sec ABS_ROC BlockComment Limit above 8 F Assignment of auxiliary process values to the block parameters ALARWN_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 f P_H_LIM EV_ID 5 f P_L_LIM EV_ID 6A f P_HD_LIM EV_ID 7 f P_LD_LIM EV_ID 8 f P_AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 37 Library Function Blocks ALARM_8P ID Value Block Parameter EV_ID2 3 d STEP_NO EV_ID2 4 fI P_HH_LIM EV_ID2 5 f P_LL_LIM EV_ID2 6 f P_IR_LIM EV_ID2 7 f P_DR_LIM EV_ID2 8Af P_AR_LIM EV_ID3 1 s BA_NA EV_ID3 2 d BA_ID EV_ID3 3 d STEP_NO EV_ID3 4 fI S_H_LIM EV_ID3 5 fI S_L_LIM EV_ID3 b6 FI S_HD_LIM EV_ID3 7T f S_LD_LIM EV_ID3 8 F S_AD LIM EV_ID4 1 s BA_NA EV_ID4 2 d BA_ID EV_ID4 3 d STEP_NO EV_ID4 4 f S_HH_LIM EV_ID4 5 f S_LL_LIM EV_ID4 6 f S_IR_LIM EV_ID4 7T I S_DR_LIM EV_ID4 8 F S_AR_LIM 2 7 1 1 CASCADE_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values P_PV REAL Primary Process 0 True Variable S_ PV REAL Secondary 0 True Process Variable P_INIT BOOL Transitions of the False False INIT i
113. M Good alarm is detected and enabled HH_ALM BOOL When TRUE the High High False False alarm is detected and enabled LL_ALM BOOL When TRUE the Low Low False False alarm is detected and enabled IR_ALM BOOL When TRUE the Increasing False False Rate of Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing False False Rate of Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute False False Rate of Change alarm is detected and enabled Note The APACS SP output has been converted to SP_OUT SP_OUT is used to interconnect the set point value to other entities on a chart The OS interaction is handled by the SP InOut parameter PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 111 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL Auto manual mode control False True SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode control False True R_TIME TIME Ramp time T OMS True 0 to 24d20h31m 23s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering units 0 True per min USE_RR BOOL Ramp mode control Use RTIME False True or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracki
114. MOTOR_A_AFB supports alarming An alarm message will be generated if the FAIL parameter becomes TRUE In APACS this functionality was not part of the MOTOR_A block but was instead handled by ProcessSuite Interlock Configuration The Interlock parameters are not extensible as they were in 4 mation In the PCS 7 implementation of this block all of the Interlocks exist with only the first two visible by default If more than two interlocks are required each additional interlock must be made visible For each required interlock configure the following e Connect a boolean interlock condition to the Interlock input e Configure the description so that it is no longer null If the description is left as a null the faceplate will not display the status for this interlock The faceplate is designed to hide an interlock condition when the interlock description is null PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 77 Library Function Blocks Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold s
115. Maximum time allowed to start the motor T 10S True STOP_T TIME Maximum time allowed to stop the motor T 10S True A1EN BOOL Alarm 1 Enable True True A1LIM BOOL Alarm 1 Limit True False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 83 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values A1DELAYIN TIME Into Alarm 1 Delay Time THOMS False 0 to 24d20h31m 23s647ms A1DELAYOUT TIME Out of Alarm 1 Delay Time THOMS False 0 to 24d20h31m 23s647ms OOS BOOL Out of Service indicator False True DISABLE_ON_OOS BOOL Disable on Out of Service False False Note This list differs from the softlist parameters of the MOTOR_A_AFB block in APACS as follows FAIL AUTO and OVERRD which were outputs in APACS have been moved to In Out in PCS 7 This is necessary to allow writes from the HMI ALARM_STATE was moved to Output The PT_DESC parameter has been eliminated Instead the Comment property of the block is being used to contain the point description information This is because the faceplate will automatically display the information provided in the Comment field INTO1_DESC through INT10_ DESC and PERMIT_DESC have been moved to Inputs STRT_T and STOP_T are named START_T and STOP_T in APACS The ProcessSuite names STRT_T and STOP_T are preferred The followi
116. N and CLOSE are active OPEN CLOSE and AUTO are to be manipulated via the operator interface OPEN and CLOSE are to be set TRUE they are reset automatically A positive transition of auto open A_OPEN or manual open OPEN depending on the mode latches the output OUT Interlock INTRLK must be TRUE to allow the latch A positive transition of auto close A_CLSE or manual close CLOSE also mode dependent unlatches the output The internal open and close timers determine if the valve has failed to reach its desired state and the failure output FAIL will become TRUE accordingly which triggers the alarm Although the BLK_VLV_10UT block was implemented in ladder logic in APACS it has been implemented in SCL in PCS 7 due to differences between APACS and PCS 7 ladder logic The BLK_VLV_1O0UT is a logical and functional equivalent to the corresponding APACS ladder networks Comments in the provided SCL source code relate elements in the PCS 7 SCL code to corresponding elements in the original APACS ladder network PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Calling Obs and Start up Calling Obs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immed
117. O7_DESC STRING 32 Interlock 7 True Description INTO8_DESC STRING 32 Interlock 8 True Description INTO9_ DESC STRING 32 Interlock 9 n True Description INT10_DESC STRING 32 Interlock 10 True Description A1EN BOOL Enable Alarm 1 True True A2EN BOOL Enable Alarm 2 True True A3EN BOOL Enable Alarm 3 True True A4EN BOOL Enable Alarm 4 True True OOS BOOL Out of Service False True indicator EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart RSTRT_AUTO_FLAG BOOL Default Retain on True False WS Use load val on CS Force Use RSTRT_AUTO_VA LUE on restart RSTRT_AUTO_ VALUE BOOL Init restart value for False False Auto Mode if RSTRT_AUTO_FL AG true 2 174 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values RSTRT_OUT_FLAG BOOL Default Retain on True False WS Use load val on CS Force Use RSTRT_OUT_VAL UE on restart RSTRT_OUT_VALUE BOOL Init restart value for False False OUT if RSTRT_OUT_FLA G BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name S True STEP_NO DWORD Batch step number 0 True ConfirmChange BOOL If TRUE changes False True from HMI must be confirmed LIOP_MAN_SEL
118. P_SP REAL Computer set point value 0 True P_RAMP BOOL SP ramping on off mode False True control P_R_TIME TIME Ramp time T OMS True 0 to 24d20h31m 23s647ms P_SPL REAL Set point low limit 0 True P_SPH REAL Set point high limit 100 True P_R_RATE REAL Ramp rate in engineering 0 True units per min P_USE_RR BOOL Ramp mode control Use False True RTIME or RRATE to control ramp P_PV_TRACK BOOL Internal setpoint tracking True True control When Track internal setpoint tracks PV P_PG REAL Proportional Gain 0 001 True 0 001 to 100 0 P_TI REAL Time Integral Minutes per 4000 True 0 0 to Reset 4000 0 P_TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 P_DG REAL Derivative Gain 10 True 2 00 to 20 00 P_DIR BOOL Reverse or Direct action False True P_ADAPTIVE_PG_INIT BOOL Adaptive Gain Init flag True False P_PV_EUMIN REAL Engineering unit Input 0 True Low P_PV_EUMAX REAL Engineering unit Input 100 True High P_VL_EUMIN REAL Engineering unit Output 0 True Low P_VL_EUMAX REAL Engineering unit Output 100 True High P_H_LIM REAL The value in engineering 100 True units to which the P_PV input is compared for the High alarm P_H_DB REAL The amount of engineering 0 5 True units by which P_PV must be within the limit for the High alarm to clear PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 45 Library Function Blocks Name P_H_DELAYIN Data Type TIME Explanation The
119. Process Control OUT_OF_RANGE BlockComment Message Failure EV_ID 7 PLC Process Control QUALITY_NOT_GOOD Message Failure BlockComment EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 f EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 f EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 F EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 I Assignment of auxiliary process values to the block parameters ALARM _8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 f HIGH_LIMIT EV_ID 5 f LOW_LIMIT EV_ID 6 f H_DEV_LIMIT EV_ID 7 f L_DEV_LIMIT EV_ID 8 f A_DEV_LIMIT EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 f HH_LIMIT EV_ID2 5 f LL_LIMIT EV_ID2 6 f _ROC_LIMIT EV_ID2 7 f D_ROC_LIMIT EV_ID2 8 f A_ROC LIMIT PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 2 1 1 AALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process Value This inputis the 0 True value to be monitored for alarms
120. RD Event ID Compiler False generated for the type or N A if used as chart PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 39 Library Function Blocks Name S_TSP Data Type REAL Explanation SP target value for SP ramping Initial OC amp M Valid Values True S_H_EN BOOL Enable secondary High Alarm True True S_L_ EN BOOL Enable secondary Low Alarm True True S_HD_EN BOOL Enable secondary High Deviation Alarm False True S_LD_EN BOOL Enable secondary Low Deviation Alarm False True S_AD_EN BOOL Enable secondary Absolute Deviation Alarm True True S_OOR_EN BOOL Enable secondary Out of Range Alarm False True S_QUAL_EN BOOL Enable secondary Quality Not Good Alarm False True S_HH_EN BOOL Enable secondary High High Alarm False True S_LL_EN BOOL Enable secondary Low Low Alarm False True S_IR_EN BOOL Enable secondary Increasing Rate of Change Alarm False True S_DR_EN BOOL Enable secondary Decreasing Rate of Change Alarm False True S_AR_EN BOOL Enable secondary Absolute Rate of Change Alarm False True S OOS BOOL Secondary Out of Service indicator False True S_QBAD BOOL Bad quality indicator False False SAMPLE_T REAL Scan Rate Use only when compi
121. SIEMENS SIMATIC PCS 7 APACS ES Library User s Guide for V6 1 Manual Edition 04 2006 A5E00595270 01 Preface Contents Introduction Library Function Blocks Template Charts Message Class ol Differences between APACS and PCS 7 Customizing the Library i Peformance Data Safety Guidelines gt gt This manual contains notices you have to observe in order to ensure your personal safety as well as to prevent damage to property The notices referring to your personal safety are highlighted in the manual by a safety alert symbol notices referring to property damage only have no safety alert symbol The notices shown below are graded according to the degree of danger Danger indicates that death or severe personal injury will result if proper precautions are not taken Warning indicates that death or severe personal injury may result if proper precautions are not taken Caution with a safety alert symbol indicates that minor personal injury can result if proper precautions are not taken Caution without a safety alert symbol indicates that property damage can result if proper precautions are not taken Notice indicates that an unintended result or situation can occur if the corresponding notice is not taken into account If more than one degree of danger is present the warning notice representing the highest degree of danger will be used A notice warning of
122. STEP_NO 2 22 1 1 VALVE_A_ALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values OP_VER BOOL Open Verification False True input CL_VER BOOL Closed Verification False True input A_OPEN BOOL Automatic Open False False command input A_CLSE BOOL Automatic Close False False command input PERMIT BOOL Permitted to Open True True input MODE BOOL Mode input from a False False sequential function chart INTO1 BOOL Interlock 1 True True INTO2 BOOL Interlock 2 True True INTO3 BOOL Interlock 3 True True INT04 BOOL Interlock 4 True True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 173 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values INTO5 BOOL Interlock 5 True True INTO6 BOOL Interlock 6 True True INTO7 BOOL Interlock 7 True True INTO8 BOOL Interlock 8 True True INTO9 BOOL Interlock 9 True True INT10 BOOL Interlock 10 True True PERMIT_DESC STRING 32 Permit Description True INTO1_DESC STRING 32 Interlock 1 i True Description INTO2_DESC STRING 32 Interlock 2 True Description INTO3_ DESC STRING 32 Interlock 3 True Description INTO04_ DESC STRING 32 Interlock 4 True Description INTO5_ DESC STRING 32 Interlock 5 True Description INTO6_ DESC STRING 32 Interlock 6 i True Description INT
123. STRT BOOL A_STRT is intended to allow internal logic to automatically start the motor False False A_STOP BOOL A_STOP is intended to allow internal logic to automatically stop the motor False False INTRLK BOOL INTRLK forbids activation of the motor False True SAMPLE_T REAL Sample time in seconds Compiler generated False RSTRT_AUTO_FLAG BOOL Default retain on WS Use load val on CS Force Use RSTRT_AUTO_VA LUE on restart False True RSTRT_AUTO_VALUE BOOL Init restart value for Auto Mode if RSTRT_AUTO_FL AG true False False EV_ID DWORD Event ID Compiler generated False LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 99 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name y True STEP_NO DWORD Batch step number 0 True ConfirmChange BOOL If TRUE changes False True from HMI must be confirmed Note This list differs from the inputs of the MOTOR_2OU
124. STRT_OUT_FLAG BOOL Default Retain on WS Use load True False valon CS Force Use RSTRT_OUT_VALUE on restart RSTRT_OUT_VALUE REAL Init restart value for OUT if 0 False RSTRT_OUTFLAG true and manual mode Output Name Data Type Explanation Initial OC amp M Valid Values OUT REAL Calculated output variable that has been 0 False limited IOUT REAL Internal Output 0 False LL BOOL True when the algorithm is imposing alow False False limit on OUT HL BOOL True when the algorithm is imposing a high False False limit on OUT PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 15 Library Function Blocks Note The list differs from the outputs of the AM block in APACS as follows COUT has been moved from Output to Input Output Input output Name Data Explanation Initial OC amp M Valid Values Type COUT REAL Computer Output typically written to 0 True by an operator command SLIST_OUT REAL Internal copy of IOUT 0 False LOLIM REAL This is the OUT low limit input 3 3 True HILIM REAL This is the OUT high limit input 103 3 True INTRK BOOL Setting INTRK TRUE causes the True False Internal Output to track the IN when EXTTRK FALSE or when STNDBY FALSE and AUTO TRUE EXTTRK BOOL Setting EXTTRK TRUE causes the True False Internal Output to track the External Variable when STNDBY TRUE Note This list di
125. TRING 32 Interlock 3 Description True INT04_DESC STRING 32 Interlock 4 Description True INT05_DESC STRING 32 Interlock 5 Description True INTO6_DESC STRING 32 Interlock 6 Description True INTO7_DESC STRING 32 Interlock 7 Description True INTO08_DESC STRING 32 Interlock 8 Description True INTO9_ DESC STRING 32 Interlock 9 Description True INT10_DESC STRING 32 Interlock 10 E True Description INT11_DESC STRING 32 Interlock 11 s True Description EV_ID DWORD Event ID Compiler False generated LIOP_MAN_SEL BOOL Select False False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True 2 80 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial oc amp Valid M Values STEP_NO DWORD Batch step number 0 True BA_NA STRING 32 Batch name s True ConfirmChange BOOL If TRUE changes from False True HMI must be confirmed Note This list differs from the inputs of the MOTOR_A_AFB block in APACS as follows e Each input shown above with datatype STRING was a softlist parameter in APACS e The INT01_DESC through INTO9_DESC have slightly different names th
126. TROLLER block has PV and RAT_INP inputs for the process variable and external input It also has SP_OUT OUT RAT_ACT DESRAT and ALARM outputs for the setpoint output actual ratio desired ratio and alarm status of the loop respectively The control loop contains apart from the controller two input drivers PV_IN and RATIO_IN an output driver OUTPUT and a delay element for simulation Interconnections The signal for the process value must be connected to the VALUE input of block PV_IN via symbolic addressing The signal for the external ratio actual value must be connected to the VALUE input of the block RATIO_IN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the actuator to be controlled Simulation During the configuring phase the controller can be tested with the delay element This merely requires that input SIM_ON of block PV_IN be switched on The Simulation CFC implements simple simulation by feeding back a scaled lagged copy of the CONTROLLER s OUT signal Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment To scale the input signal set the Process Value engineering high via the input driver PV_IN s VHRANGE input and the Process Value engineering low via PV_IN s VLRANGE input These engineering limits will be conveyed to the CONTROLLER s PV_EUMAX and PV_EUMIN respectively To scale the output signal
127. T_AFB block in APACS as follows e Restart parameters RSTRT_ did not exist in APACS e EV_ID and SAMPLE_T did not exist in APACS Output Name Data Explanation Initial OC amp M Valid Type Values STRT_O BOOL STRT_O is used to actuate the motor False False start STOP_O BOOL STOP_O is used to actuate the motor False False stop ALARM BOOL ALARM is used to signal internal logic False False when the Motor is in alarm FAIL BOOL FAIL motor failed to start or stop after a False True start or stop request OUT BOOL OUT is used to let the OS see the False True internal START_LATCH coil START_FAIL BOOL START_FAIL is used to indicate if the False False motor failed to start 2 100 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL AUTO set auto mode use False True A_STRT A_STOP vs manual mode use START STOP A1EN BOOL A1EN is used to enable disable True True the internal alarm AiLIM BOOL True True A1DELAYIN TIME Into alarm 1 delay time THOMS False 0 to 24d20h31m 23s647ms A1DELAYOUT TIME Out of alarm 1 delay time THOMS False 0 to 24d20h31m 23s647ms OOS BOOL OOS is used to signal that the True False internal alarm is Out Of Service DISABLE_ON_OOS BOOL Disable on Out of Service False False START BOOL START is used
128. The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True LD_DB REAL The amount of engineering units by which DEV PV must be within the limit for the Low Deviation alarm to clear 0 5 True LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 167 Library Function Blocks Name AD_LIM Data Type REAL Explanation The value in engineering units to which ABS PV DEV is compared for the Absolute Deviation alarm Initial 100 oc amp M True Valid Values
129. UE the Low Low alarm is False False tripped but not acknowledged ALM_ _ROC BOOL When TRUE the Increasing Rate of False False Change alarm is detected and enabled NAK_ _ ROC BOOL When TRUE Increasing Rate of False False Change alarm is tripped but not acknowledged ALM_D_ROC BOOL When TRUE the Decreasing Rate False False of change alarm is detected and enabled NAK_D_ROC BOOL When TRUE the Decreasing Rate False False of change alarm is tripped but not acknowledged ALM_A_ROC BOOL When TRUE the Absolute Rate of False False Change alarm is detected and enabled NAK_A_ROC BOOL When TRUE Absolute Rate of False False Change alarm is tripped but not acknowledged MSG1_ERR BOOL First ALARM_8P error False False MSG1_STAT WORD First ALARM_8P status W 16 0 False MSG2_ERR BOOL Second ALARM_8P error False False MSG2_STAT WORD Second ALARM_8P status W 16 0 False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 7 Library Function Blocks Note This list differs from the outputs of the AALM_AFB block in APACS as follows e In APACS there are only four alarms and four NAKs There is now one of each for every alarm type e The STATUS and CMD outputs have been removed e MSG1_ERR MSG1_STAT MSG2_ERR and MSG2_STAT have been added to provide the status of the message processing For specific values see the online help for ALARM_8P Input output Name Dat
130. UE input of the SIGNAL block via symbolic addressing Simulation Discrete value monitoring can be tested during the configuring phase This merely requires that input SIM_ON of the SIGNAL block be switched on and that the value 1 or 0 be preset at input SIM_I Parameter Assignment Configure the LIMIT parameter which is marked for IEA in the ALARM for your application Faults Channel faults are detected by the input driver block See also DISCRETE_ALM_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 7 Template Charts 3 6 EXT_SET_AT This template can be used as an external set PID controller with tracking setpoint High and low alarms are provided for the process variable Another alarm is provided to detect deviation between the process variable and setpoint The CONTROLLER block has PV and ESP inputs for the process variable and external setpoint It also has SP_OUT OUT and ALARM outputs for the setpoint output and alarm status of the loop respectively The control loop contains apart from the controller an input driver an output driver and a delay element for simulation Interconnections Simulation The signal for the process value must be connected to the VALUE input of block PV_IN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the actuator to be controlled During the configuring phase the controller can
131. UT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Interlock Configuration All of the Interlocks for this block are visible by default For each required interlock configure the following e Connect a boolean interlock condition to the Interlock input e Configure the description so that it is no longer null If the description is left as a null the faceplate will not display the status for this interlock The faceplate is designed to hide an interlock condition when the interlock description is null Operator Control and Monitoring M amp
132. UT_L provide a linkable connection for the program to set OUT without using SET_VAL LIOP_EXT_SEL and EXTRNL_L provide a linkable connection for the program to set External Setpoint mode without using SET_VAL PCS 7 APACS ES Library User s Guide for V6 1 2 70 A5E00595270 01 Library Function Blocks Output Name Data Explanation Initial OC amp M Valid Type Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that has been 0 False limited ALARM BOOL Alarm Status False False H_ALM BOOL When TRUE the High alarm is detected False False and enabled L_ALM BOOL When TRUE the Low alarm is detected False False and enabled HD_ALM BOOL When TRUE the High Deviation alarm is False False detected and enabled LD_ALM BOOL When TRUE the Low Deviation alarmis False False detected and enabled AD_ALM BOOL When TRUE the Absolute Deviation False False alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of Range alarm is False False detected and enabled QUAL_ALM BOOL When TRUE the Quality Not Good False False alarm is detected and enabled HH_ALM BOOL When TRUE the High High alarm is False False detected and enabled LL_ALM BOOL When TRUE the Low Low alarm is False False detected and enabled IR_ALM BOOL When TRUE the Increasing
133. V PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per 4000 True 0 0 to Reset 4000 0 TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 True 2 00 to 20 00 DIR BOOL Reverse or Direct action False True ADAPTIVE _PG_INIT BOOL Adaptive Gain Init flag True False PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output Low 0 True VL_EUMAX REAL Engineering unit Output 100 True High VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3 3 True VLH REAL OUT high limit input 103 3 True H_LIM REAL The value in engineering 100 True units to which the PV input is compared for the High alarm H_DB REAL The amount of engineering 0 5 True units by which PV must be within the limit for the High alarm to clear 2 138 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name H_DELAYIN Data Type TIME Explanation The amount of time the input must reach or exceed the High limit to trip an alarm Initial T OMS Ooc amp M False Valid Values 0 to 24d20h31m 23s647ms H_DELAYOUT TIME The amount of time the input must be within the High limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms L_LIM REAL The
134. V_ID 5 f L_LIM EV_ID 6 f HD_LIM EV_ID 7 f LD_LIM EV_ID 8 f AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 f HH_LIM EV_ID2 5 f LL_LIM EV_ID2 6A f IR_LIM EV_ID2 7 f DR_LIM EV_ID2 8Af AR_LIM PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 4 1 1 ANALOG ALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process Value 0 True DEV REAL Deviation 0 False H_EN TRUE Enable High Alarm True True L_EN BOOL Enable Low Alarm True True HD_EN BOOL Enable High Deviation False True Alarm LD_EN BOOL Enable Low Deviation False True Alarm AD_EN BOOL Enable Absolute False True Deviation Alarm OOR_EN BOOL Enable Out of Range False True Alarm QUAL_EN BOOL Enable Quality Not False True Good Alarm HH_EN BOOL Enable High High False True Alarm LL_EN BOOL Enable Low Low Alarm_ False True IR_EN BOOL Enable Increasing Rate False True of Change Alarm DR_EN BOOL Enable Decreasing False True Rate of Change Alarm AR_EN BOOL Enable Absolute Rate False True of Change Alarm OOS BOOL Out of Service indicator False True QBAD BOOL Bad quality indicator False False EV_ID DWORD Event ID Compiler False generated for the type N A for the chart EV_ID2 DWORD Event ID Compiler False generated for the type N A for the c
135. W BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 F EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process Control OUT_OF_RANGE BlockComment Message Failure EV_ID 7 PLC Process Control QUALITY_NOT_GOOD Message Failure BlockComment EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC BlockComment Limit 6 I EV_ID2 4 Warning below DEC_ROC BlockComment Limit 7 f EV_ID2 5 Warning above ABS_ROC BlockComment Limit 8 Assignment of auxiliary process values to the block parameters ALARM_8P ID Value Block Parameter EV_ID 1 s BA_NA EV_ID 2 d BA_ID EV_ID 3 d STEP_NO EV_ID 4 fI H_LIM EV_ID 5 f L_LIM EV_ID 6 f HD_LIM EV_ID 7 f LD_LIM EV_ID 8 f AD_LIM EV_ID2 1 s BA_NA EV_ID2 2 d BA_ID EV_ID2 3 d STEP_NO EV_ID2 4 f HH_LIM EV_ID2 5 f LL_LIM 2 160 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks ALARM _8P ID Value Block Parameter EV_ID2 6 FI IR_LIM EV_ID2 7 f DR_LIM EV_ID2 8 F AR_LIM 2 21 1 1 SINGLE_LP_SS_AFB Input Output
136. _EUMIN respectively Configure the following parameters which are marked for IEA in the PRIMARY and SECONDARY for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL Channel faults are detected by the PRIMARY_PV_IN input and are assigned to input QBAD of the PRIMARY block An alarm message will then be posted if QUAL_EN is enabled Channel faults are detected by the SECONDARY_PV_IN input and the SECONDARY_VL_OUT and are assigned to input QBAD of the SECONDARY block An alarm message will then be posted if QUAL_EN is enabled PRIMARY_AFB SECONDARY_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Template Charts 3 11 RATIO_SET_AT This template can be used use as a ratio set PID controller with tracking setpoint An external ratio input is multiplied by a desired ratio value i e a controlled variable divided by wild variable to calculate the external setpoint The process variable is divided by the external input for display of the actual ratio Both high and low alarms are provided for the process variable and an additional alarm is provided to detect a deviation between the process variable and setpoint The CON
137. a Explanation Initial OC amp M Valid Type Values HIGH_LIMIT REAL The value in 0 True engineering units to which the PV input is compared for the High alarm HIGH_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the High alarm to clear HIGH_DELAYIN TIME The amount of time T O0d0hOm0sOms False the input must reach or exceed the High limit to trip an alarm HIGH_DELAYOUT TIME The amount of time T Od0hOm0sOms False the input must be within the High limit and deadband to cause the alarm to clear LOW_LIMIT REAL The value in 0 True engineering units to which the PV input is compared for the Low alarm LOW_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the Low alarm to clear LOW_DELAYIN TIME The amount of time T Od0hOm0s0ms False the input must reach or exceed the Low limit to trip an alarm PCS 7 APACS ES Library User s Guide for V6 1 2 8 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values LOW_DELAYOUT TIME The amount of time T Od0hOm0sOms False the input must be within the Low limit and deadband to cause the alarm to clear H_DEV_LIMIT REAL The value in 0 True engineering units to which PV DEV is compared for the High Deviation alarm H_DEV_DEADBAND REAL The amount of 0 5 True engi
138. a wide range of derivative time values without requiring an adjustment to the derivative gain value The derivative gain can be adjusted to provide more or less filtering if desired but the default value of 10 0 is usually sufficient for most applications PCS 7 Algorithm The default transfer function used in the PCS 7 controller is shown below 1 i TVs TNs 1 TM_LAGs LMN GaN e PV _IN where LMN is the controller output TN is integral time TV is derivative time and TM_LAG is derivative filter time In the PCS 7 controller the sign of the GAIN parameter determines the controller action With a positive GAIN the controller acts as a reverse action controller Proportional action can be removed by setting Proportional Select P_SEL 0 By optionally setting Proportional Action in Feedback Path Select PFDB_SEL TRUE the proportional action can be directly applied to the process variable PV_IN instead of the error The integral action is always applied to the gain error and can be removed by setting TN 0 or can be reversed by setting TN lt 0 The controller does have a manipulated variable feedback signal input LMNR_IN however it is used only by the PCS 7 OS it is not used as a reset feedback signal for implementing the integral action The derivative action can be removed by setting TV 0 or can be reversed by setting TV lt 0 By optionally setting Derivative Action in Feedback Path Select DFDB_SEL TRUE th
139. abled DR_ALM BOOL When TRUE the Decreasing Rate of Change False False alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute Rate of Change False False alarm is detected and enabled Input output Name Data Explanation Initial OC amp M Valid Values Type H_LIM REAL The value in engineering units 100 True to which the PV input is compared for the High alarm H_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the High alarm to clear H_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the High 24d20h31m2 limit to trip an alarm 3s647ms H_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the High limit and 24d20h31m2 deadband to cause the alarm to 3s647ms clear L_LIM REAL The value in engineering units 0 True to which the PV input is compared for the Low alarm PCS 7 APACS ES Library User s Guide for V6 1 2 20 A5E00595270 01 Library Function Blocks Name L_DB Data Type REAL Explanation The amount of engineering units by which PV must be within the limit for the Low alarm to clear Initial 0 5 Oc amp M True Valid Values L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm THOMS False 0 to 24d20h31m2 3s647ms L_
140. aceplate The templates provide all the logic required to use the library blocks All that is necessary on the part of the user is to replace the logical connections with actual addresses The template charts can be modified or expanded to meet user needs PCS7 Continuous Function Chart CFC Template ANALOG _ALM_AT BLK_VLV_10UT_AT BLK_VLV_2OUT_AT CASCADE_AT DISCRETE_ALM_AT EXT_SET_AT MOTOR_10UT_AT MOTOR_20UT_AT PRIMARY_SECONDARY_AT RATIO_SET_AT SINGLE_LOOP_AT SINGLE_LP_SS_AT MOTOR_A_ALM_AT VALVE_A_ALM_AT PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 1 Template Charts 3 1 ANALOG_ALM_AT This template can be used as an analog indicator with alarms Both high and low alarms are provided for the process variable The PV input accepts the process variable and the ALARM output provides the alarm status The template contains an input driver along with the ALARM ANALOG_ALM_AFB block Interconnections Simulation The signal to be monitored must be connected to the VALUE input of the PV_IN block via symbolic addressing Measured value monitoring can be tested during the configuring phase This merely requires that input SIM_ON of the PV_IN block be switched on and that the relevant value be preset at input SIM_V Parameter Assignment Faults See also
141. al mode EXT TRUE the calculated external setpoint becomes the controller setpoint and the SETPOINT block internal setpoint ISP tracks the external setpoint thereby ensuring no change in setpoint during transition to internal mode The setpoint tracks the process variable PV in manual mode AUTO FALSE The CONTROLLER block is a PID_AFB block It operates in auto mode AUTO TRUE and tracks the downstream output OUT in manual mode AUTO FALSE The AUTO_MANUAL block provides manual control of the output In auto mode the CONTROLLER block output becomes the loop output OUT In manual mode the AUTO_MANUAL block s internal output IOUT becomes the loop output The ACT_RAT_LIMIT block is used to apply limits to the actual ratio RAT_ACT which is the quotient of the process variable and the external input PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 117 Library Function Blocks Calling OBs and Start up 2 118 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP RAT_DES EXT an
142. al state of the parameter AUTO This value will be used the first time the configuration is downloaded to the controller A feature exists within PCS 7 that allows the user to read back parameters such as AUTO Once this is done the initially configured value will be overwritten For example 1 The original configuration of AUTO was defined as TRUE 2 The configuration is then downloaded to the controller This loop starts in Auto The operator changes the controller to Manual AUTO FALSE 3 4 The user performs a read back or upload 5 The user then downloads the configuration to the controller again 6 This loop will now start in Manual and not Auto The addition of Restart Logic in the APACS Library blocks allows the user to define a restart state independent of the user performing a readback or upload of the controller configuration See the help for each FB for an explanation of the restart parameters provided See the section on Read Back S7 for additional information on this PCS 7 functionality Read Back S7 5 2 You can save read back the parameters of all active CFC charts of the chart folder and changes to AS data e g limit values or control parameters modified by the operator at an OS with PCS 7 OS You request to read back parameters via the Chart gt Read Back menu command When you select the Online program option in the Read Back dialog box to define the source file the program of the CPU
143. alue does not experience a bump due to proportional action Note Normal limits for the TI In Out value are from 0 001 to 4000 0 In the special case of TI 4000 0 all integral action is removed from the output calculation Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Start up Characteristics This function block has no special startup properties Operator Control and Monitoring M amp C Relevant 2 102 There is no associated faceplate for this block PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 15 1 1 PID_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process variable input 0 True SP REAL Setpoint input 0 False FDBK REAL Reset feedback input 0 False AUTO BOOL Track command input When Manual False False the block is in a tracking mode OUT FDBK INIT BOOL Transitions of the INIT input cause the False False initialization equation to be performed SAMPLE_T REAL Current scan rate supplied by False compiler Note This list differs from the inputs of the PID_AFB block in APACS as follows e The SAMPLE_T input is required for the block to obtain the scan rate Output Name Data Type Explanation Initial OC amp M Valid Values OUT REAL Calculated output It is limited
144. alues they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP EXT and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual EXT will be forced to Internal and OUT will be forced to 0 0 on a CPU restart SP will be set in accordance with default PCS 7 behavior To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if and only if the RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the EXT parameter to a specified value on a restart set the RSTRT_EXT_FLAG to true Force EXT and configure RSTRT_EXT_VALUE
145. amount of time T Od0hOm0s0ms False the input must reach or exceed the High High limit to trip an alarm HH_DELAYOUT TIME The amount of time T Od0hOm0s0ms False the input must be within the High High limit and deadband to cause the alarm to clear LL_LIMIT REAL The value in 0 True engineering units to which the PV input is compared for the Low Low alarm LL_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the Low Low alarm to clear LL_DELAYIN TIME The amount of time T O0d0hOm0sO0ms False the input must reach or exceed the Low Low limit to trip an alarm LL_DELAYOUT TIME The amount of time T Od0hOm0s0ms False the input must be within the Low Low limit and deadband to cause the alarm to clear PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 11 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values _ROC_LIMIT REAL The value in 0 True engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm _ROC_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the Increasing Rate of Change alarm to clear _ROC_DELAYIN TIME The amount of time T Od0hOm0s0ms False the input must reach or exceed the Increasing Rate of Change limit to trip an alarm _ RO
146. amount of time the input must reach or exceed the High limit to trip an alarm Initial T HOMS Oc amp M False Valid Values 0 to 24d20h31m 23s647ms P_H_DELAYOUT TIME The amount of time the input must be within the High limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms P_L_LIM REAL The value in engineering units to which the P_PV input is compared for the Low alarm True P_L_DB REAL The amount of engineering units by which P_PV must be within the limit for the Low alarm to clear 0 5 True P_L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms P_L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms P_HD_LIM REAL The value in engineering units to which P_PV DEV is compared for the High Deviation alarm True P_HD_DB REAL The amount of engineering units by which P_PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True P_HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms P_HD_DELAYOUT TIME The amount of time the input
147. an their APACS counterparts In APACS a leading zero was excluded making the names INT1_DESC through INT9_DESC e EV_ID parameter is a new input and is required for the PCS 7 version to support alarming This parameter did not exist in APACS e Restart parameters RSTRT_ did not exist in APACS e LIOP_MAN_SEL and AUT_L added to provide alternate for SET_VAL function e Batch parameters BA_EN OCCUPIED are added to support future batch faceplate view e Batch parameters BA_NA BA_ID STEP_NO are added to pass batch values in alarm messages e ConfirmChange added to give APACS users expected feel of one step operator entry Output Name Data Explanation Initial OC amp M Valid Values Type OUT BOOL The block s Output that is used to False True ultimately control the motor ALARM BOOL Indicates when the motor is in False False alarm INTRLK BOOL Interlock OK output False True READY BOOL Ready output False False STATE INT State of the motor 0 False ALARM_STATE INT Alarm state 0 False Note This list differs from the outputs of the MOTOR_A_AFB block in APACS as follows FAIL and AUTO and OVERRD have been moved to In Out in PCS 7 ALARM_STATE is a new output In APACS it was a softlist parameter ALARM is a new output and is present to support the alarming functionality This output along with the alarm functionality did not exist in APACS INTRLK nub is named INT_OK in APACS The ProcessSuite name INTRLK was preferred
148. and save as PL_NewSloop pdl 7 Update Faceplate Overview Double click PL_NewSloop pdl to open it From the main menu select View gt Properties The Object Properties dialog box opens Use the drop down menu to select the Overview Window object Click the Properties tab in Miscellaneous property change Picture Name to PG_NewSloop_Overview Use the drop down menu to select the Block Type object Click the Properties tab in Output Input property change Output Value to NewSloop Use the drop down menu to select the View1 object In Miscellaneous property change Picture Name to PG_NewSloop_Standard pdl Save the file 8 Update Faceplate Header Open PG_NewSloop pdl From the main menu select View gt Properties The Object Properties window appears Use the drop down menu to select the faceplate object in Texts property change First View to PG_NewSloop_ Standard Save the file PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Customizing the Library 9 Update the Standard View 9 a Open PG_NewSloop_Standard pdl b From the Object Palette window in the Standard Objects folder drag a Static Text object to any open space in the graphic Draw a text box and type Error_1 in the new field c From the Object Palette window in the Smart Objects folder drag an I O Field onto the graphic next to Error1 and draw a text box Clic
149. anded close or open for fail open due to loss of an interlock enabled by setting the FAIL_ON_INTRLK value to TRUE e Rejected open command due to missing permissive or interlock checking for this failure is always enabled when MODE TRUE and for all conditions by setting the FAIL_LON_OPEN_CMD value to TRUE The FAIL value is set TRUE when a fail condition is detected It remains TRUE until it is reset by a tag write from outside of the block by acknowledge logic or an operator command The ALARM_STATE value an integer is provided to indicate the specific failure condition that occurred The READY output indicates that the valve is ready to receive auto commands where TRUE indicates that the valve is in auto mode and the interlocks are not overridden The STATE output is an integer value that represents the various states of the valve The VALVE_A_AFB supports alarming An alarm message will be generated if the FAIL parameter becomes TRUE In APACS this functionality was not part of the VALVE_A block but instead handled by ProcessSuite Interlock Configuration The Interlock parameters are not extensible as they were in 4 mation In the PCS 7 implementation of this block all of the Interlocks exist with only the first two visible by default If more than two interlocks are required each additional interlock must be made visible For each required interlock configure the following e Connect a boolean interlock condition to th
150. art RATIO_SET_AT usage example Function The Ratio Setpoint Controller RATIO_SET_AFB block is a factory compiled function block It is intended for use as a ratio set PID controller with tracking setpoint An external input is multiplied by a desired ratio value i e a controlled variable divided by wild variable to calculate the external setpoint The process variable is divided by the external input for display of the actual ratio Both high and low alarms are provided for the process variable and an additional alarm is provided to detect an absolute deviation between the process variable and setpoint RATIO_SET_AFB is a compiled version of the RATIO_SET source chart Within the chart there is a control loop that contains PID_AFB and AM_AFB blocks along with alarming logic The loop also uses two SETPNT_AFB blocks the RATIO block provides an input of the ratio calculation the result of which is the external setpoint of the SETPOINT block The RATIO block holds the desired ratio modified via the computer setpoint RAT_DES and the low and high range values of the ratio The RATIO_MIN and RATIO_MAX values are used by the ACT_RAT_LIMIT block described below The ratio input RAT_INP is multiplied by the desired ratio from the RATIO block to calculate the external setpoint The SETPOINT block supplies the setpoint SP to the CONTROLLER block The SETPOINT block has a ramping feature for internal mode EXT FALSE In extern
151. ary User s Guide for V6 1 A5E00595270 01 2 33 Library Function Blocks 2 7 2 7 1 Function CASCADE_AFB CASCADE Cascade Controller Function Block Name CASCADE_AFB compiled version of the Chart Function Block Number FB603 Chart Name CASCADE See also Template Chart CASCADE_AT usage example CASCADE_AFB is a compiled version of the CASCADE source chart Within the chart there are two connected control loops primary and secondary Each contains SETPNT_AFB and PID_AFB blocks along with alarming logic The secondary loop also contains an AM_AFB block The primary controller tracks the secondary process variable S_PV when the cascaded loops are in manual mode AUTO FALSE or secondary mode CASC FALSE The PRI_LSETPOINT block supplies the setpoint P_SP_OUT to the PRILCONTROLLER block The PRI_LSETPOINT block has a ramping feature for auto mode The setpoint tracks the primary process variable P_PV in manual or secondary mode The PRI_CONTROLLER block is a PID block it operates when both AUTO and CASC are TRUE and tracks the secondary process variable S_PV if either is FALSE The PRILCONTROLLER block output becomes the external setpoint to the secondary control loop The SEC_SETPOINT block supplies the setpoint S_SP to the SEC_CONTROLLER block The SEC_SETPOINT block has a ramping feature for secondary mode CASC FALSE In cascade mode CASC TRUE the external setpoint the output f
152. be set in accordance with default PCS 7 behavior To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if the RSTRT_SP_FLAG is true and either e The block is forced to start in Auto mode or e AUTO is not forced and the block restarts with Auto mode AUTO Auto and not in standby sync SS False If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior M Warning Using Default
153. be tested with the delay element This merely requires that input SIM_ON of block PV_IN be switched on The Simulation CFC implements simple simulation by feeding back a scaled lagged copy of the CONTROLLER s OUT signal Normally only the TM_LAG value needs to be adjusted for the application Parameter Assignment 3 8 To scale the input signal set the Process Value engineering high via the input driver PV_IN s VHRANGE input and the Process Value engineering low via PV_IN s VLRANGE input These engineering limits will be conveyed to the CONTROLLER s PV_EUMAX and PV_EUMIN respectively To scale the output signal set the Control OUT value engineering high via CONTROLLER s VL_EUMAX input and the Control OUT Engineering Low via CONTROLLER s VL_EUMIN input These engineering limits will be conveyed to the CONTROLLER s VL_EUMAX_OUT and VL_EUMIN_OUT outputs respectively As configured OUTPUT s upper limit UHRANGE and the OUTPUT s lower limit ULRANGE match the CONTROLLER s VL_EUMAX and VL_EUMIN respectively Configure the following parameters which are marked for IEA for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL PCS 7 APACS ES
154. by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear A_DEV _DELAYIN TIME The amount of time T Od0hOm0sOms True the input must reach or exceed the Absolute Deviation limit to trip an alarm A_DEV_DELAYOUT TIME The amount of time T Od0hOm0sO0ms False the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear OORANGE_DELAYIN TIME The amount of time T Od0hOm0s0ms False the input must be outside the limits EINH EINL to trip the Out of Range alarm OORANGE_DELAYOUT TIME The amount of time T Od0hOm0sO0ms False the input must be within the limits EINH EINL to cause the Out of Range alarm to clear QUALITY_DELAYIN TIME The amount of time T Od0hOm0sOms False the input quality must be bad to trip the Quality Not Good alarm PCS 7 APACS ES Library User s Guide for V6 1 2 10 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OCc amp M Valid Type Values QUALITY_DELAYOUT TIME The amount of time T Od0hOm0sOms False the input quality must be good to cause the Quality Not Good alarm to clear HH_LIMIT REAL The value in 0 True engineering units to which the PV input is compared for the High High alarm HH_DEADBAND REAL The amount of 0 5 True engineering units by which PV must be within the limit for the High High alarm to clear HH_DELAYIN TIME The
155. ch the PV input is compared for the Low Low alarm LL_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Low Low alarm to clear LL_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the Low 24d20h31m2 Low limit to trip an alarm 3s647ms LL_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Low Low limit 24d20h31m2 and deadband to cause the 3s647ms alarm to clear IR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Increasing Rate of Change alarm IR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Increasing Rate of Change alarm to clear IR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m2 Increasing Rate of Change limit 3s647ms to trip an alarm IR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Increasing 24d20h31m2 Rate of Change limit and 3s647ms deadband to cause the alarm to clear 2 22 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Values Type DR_LIM REAL The value in engineering units 0 True per minute to which the PV input is
156. chdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO _FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false
157. compared for the Decreasing Rate of Change alarm DR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Decreasing Rate of Change alarm to clear DR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m2 Decreasing Rate of Change limit 3s647ms to trip an alarm DR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Decreasing 24d20h31m2 Rate of Change limit and 3s647ms deadband to cause the alarm to clear AR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Absolute Rate of Change alarm AR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Absolute Rate of Change alarm to clear AR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m2 Absolute Rate of Change limit to 3s647ms trip an alarm AR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute Rate 24d20h31m2 of Change limit and deadband to 3s647ms cause the alarm to clear OOR_DELAYIN TIME The amount of time the input THOMS False 0 to must be outside the limits EINH 24d20h31m2 EINL to trip the Out of Range 3s647ms alarm OOR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the limits EINH 24d20h31m2 EINL to cause the Out of Range 3s647ms alarm
158. cordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information PCS 7 APACS ES Library User s Guide for V6 1 2 180
159. cted to the output of a PID block The OUT value is limited by both low and high limit LOLIM and HILIM In Out parameters The purpose of these output limits is to prevent the output from being inadvertently driven beyond a process or hardware operating limit The Internal Output value can be changed via the Computer Output COUT or the Auto Manual function block itself in track mode The Computer Output is written to by an operator command The function block assigns the OUT value to COUT as well All values are in Engineering Units Calling OBs and Start up 2 14 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of OUT is configurable As delivered OUT will be forced to 0 0 To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to fal
160. ction Blocks Name Data Type Explanation Initial OC amp M Valid Values INTO9 BOOL Interlock 9 True True INT10 BOOL Interlock 10 True True PERMIT_DESC STRING 32 Permit Description True INTO1_DESC STRING 32 Interlock 1 Description True INTO2_DESC STRING 32 Interlock 2 Description True INT03_DESC STRING 32 Interlock 3 Description m True INT04_DESC STRING 32 Interlock 4 Description True INT05_DESC STRING 32 Interlock 5 Description 7 True INTO6_DESC STRING 32 Interlock 6 Description i True INTO7_DESC STRING 32 Interlock 7 Description True INTO8_DESC STRING 32 Interlock 8 Description True INTO9_DESC STRING 32 Interlock 9 Description True INT10_DESC STRING 32 Interlock 10 Description True RSTRT_AUTO_FLAG BOOL Default Retain on WS True False Use load val on CS Force Use RSTRT_AUTO_VALUE on restart RSTRT_AUTO_ VALUE BOOL Init restart value for Auto False False Mode if RSTRT_AUTO_FLAG true RSTRT_OUT_FLAG BOOL Default Retain on WS True False Use load val on CS Force Use RSTRT_OUT_VALUE on restart RSTRT_OUT_VALUE BOOL Init restart value for OUT False False if RSTRT_OUT_FLAG true EV_ID DWORD Event ID Compiler False generate d LIOP_MAN_SEL BOOL Select AUTO MANUAL False False 1 Linking 0 Operator active AUT_
161. cy However the information in this publication is reviewed regularly and any necessary corrections are included in subsequent editions Siemens AG Copyright Siemens AG 2005 Automation and Drives A5E00595270 01 Postfach 4848 f 90437 N RNBERG Siemens AG 2006 GERMANY Technical data subject to change Preface Purpose of the Manual This manual provides information necessary to set up PCS 7 APACS ES Library for V6 1 Required Basic Knowledge Readers are presumed to be knowledgeable in the use of PCS 7 and APACS Where is this Manual valid This manual is valid for the software package PCS 7 APACS OS for V6 1 Training Centers Siemens Technical Training Center provides extensive training for all levels of plant personnel to ensure optimal performance from APACS and PCS 7 control systems Classes include extensive hands on activities using appropriate equipment making the training directly and immediately applicable On line information is available http www sea siemens com sitrain Siemens also offers a number of training courses to familiarize you with the SIMATIC S7 automation system Please contact your regional training center or our central training center in D 90327 Nuremberg Germany for details Telephone 49 911 895 3200 Internet http Avww sitrain com PCS 7 APACS ES Library User s Guide for V6 1 AE00595270 01 Preface A amp D Technical Support Worldwide available 24 hours a day
162. d CLOSE are active OPEN CLOSE and AUTO are to be manipulated via the operator interface OPEN and CLOSE are to be set TRUE they are reset automatically A positive transition of auto open A_OPEN or manual open OPEN depending on the mode latches the internal OPEN_LATCH and pulses the open output OP_OUT Interlock INTRLK must be TRUE to allow the latch A positive transition of auto close A_CLSE or manual close CLOSE also mode dependent unlatches the internal OPEN_LATCH and pulses the close output CL_OUT The internal open and close timers pulse the outputs and determine if the valve has failed to reach its desired state and the failure output FAIL will become TRUE accordingly which triggers the alarm Although the BLK_VLV_2O0UT block was implemented in ladder logic in APACS it has been implemented in SCL in PCS 7 due to differences between APACS and PCS 7 ladder logic The BLK_VLV_2OUT is a logical and functional equivalent to the corresponding APACS ladder networks Comments in the provided SCL source code relate elements in the PCS 7 SCL code to corresponding elements in the original APACS ladder network Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 29 Library Function Blocks
163. d OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual EXT will be forced to Internal and OUT wil be forced to 0 0 on a CPU restart SP and RAT_DES will be set in accordance with default PCS 7 behavior the value will be retained on a warm restart or set to the last downloaded value on a cold restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if and only if the RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the RAT_DES parameter to a specified value on a restart set the RSTRT_RAT_DES _FLAG to true Force RAT_DES and configure RSTRT _ RAT_DES _VALUE with the desired forced value The RSTRT_ RAT_DES _VALUE will be used to
164. d in the APACS controller plus the Model 352 et al is shown below our PG 1 1 Pr sP oo ae ed DG where PG is proportional gain TI is integral time TD is derivative time and DG is derivative gain In the APACS controller the proportional gain value is always positive with the controller action determined by the state of the DIR_ACT Direct Action softlist parameter With DIR_ACT FALSE the default the controller acts as a reverse action controller The integral action is implemented using external reset feedback which provides many benefits such as e the ability to initialize PID for bumpless transfer from Man to Auto without SP tracking e the capability to implement numerous reset windup prevention strategies in cascade and override control e asimple method of implementing deadtime compensation using complementary feedback Integral action can be removed by setting TI 4000 0 The derivative action is always applied only to the PV not to the error PV SP Derivative action can be removed by setting TD 0 0 Derivative filtering is PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Differences between APACS and PCS 7 implemented as a function of both the derivative time and the derivative gain The benefit of this is that since derivative filtering is always directly proportional to the derivative time for a given derivative gain satisfactory derivative response is obtained over
165. d interlocking An alarm is provided for failure to reach the desired state The A_STRT and A_STOP inputs are intended to input command pulses from a sequence The local variable AUTO determines the source of the start stop commands In auto mode AUTO TRUE the auto parameters A_STRT and A_STOP are active and in manual mode AUTO FALSE the parameters START and STOP are active START STOP and AUTO are to be manipulated via the operator interface START and STOP are to be set TRUE they are reset automatically A positive transition of auto start A_STRT or manual start START depending on the mode latches the output OUT Interlock INTRLK must be TRUE to allow the latch A positive transition of auto stop A_STOP or manual stop STOP also mode dependent unlatches the output The start and stop timers determine if the motor has failed to reach its desired state and the failure output FAIL will become TRUE accordingly which triggers the alarm Although the MOTOR_1_OUT block was implemented in ladder logic in APACS it has been implemented in SCL in PCS 7 due to differences between APACS and PCS 7 ladder logic The MOTOR_10UT is a logical and functional equivalent to the corresponding APACS ladder networks Comments in the provided SCL source code relate elements in the SCL code to corresponding elements in the original APACS ladder network Calling OBs and Start up 2 92 Calling OBs This block is called in the wat
166. d20h31m 23s647ms L_LIM REAL The value in engineering units to which the PV input is compared for the Low alarm True L_DB REAL The amount of engineering units by which PV must be within the limit for the Low alarm to clear 0 5 True L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True LD_DB REAL The amount of engineering units by which DEV PV must be within the li
167. dband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms S_HD_LIM REAL The value in engineering units to which S_ PV DEV is compared for the High Deviation alarm True S_HD_DB REAL The amount of engineering units by which S_PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True S_HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T 0MS False 0 to 24d20h31m 23s647ms S_HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms S_LD_LIM REAL The value in engineering units to which DEV S_PV is compared for the Low Deviation alarm True S LD DB REAL The amount of engineering units by which DEV S_PV must be within the limit for the Low Deviation alarm to clear 0 5 True S_LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms S_LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 51
168. detected and enabled S_HH_ALM BOOL When TRUE the secondary High False False High alarm is detected and enabled S_LL_ALM BOOL When TRUE the secondary Low False False Low alarm is detected and enabled S_IR_ALM BOOL When TRUE the secondary False False Increasing Rate of Change alarm is detected and enabled S_DR_ALM BOOL When TRUE the secondary False False Decreasing Rate of Change alarm is detected and enabled S_AR_ALM BOOL When TRUE the secondary False False Absolute Rate of Change alarm is detected and enabled S_VL_EUMIN_ OUT REAL Copy of secondary VL_EUMIN Input False S_VL_EUMAX_OUT REAL Copy of secondary VL_EUMAX False Input Note The P_SP and S_SP outputs in APACS have been converted to P_SP_OUT and S_SP_OUT respectively They are used to interconnect the set point value to other entities on a chart The OS interaction is handled by the P_SP and S_SP InOut parameters The hidden S_ESP output was also added to support OS interaction The S_ESP output is driven by the primary PID s OUT output Alarm outputs have been added for each analog alarm type 2 44 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values CASC BOOL Cascade mode False True AUTO BOOL Auto manual mode control False True
169. e detected and enabled L_ALM BOOL When TRUE the Low alarm is False False detected and enabled HD_ALM BOOL When TRUE the High Deviation False False alarm is detected and enabled LD_ALM BOOL When TRUE the Low Deviation False False alarm is detected and enabled AD_ALM BOOL When TRUE the Absolute False False Deviation alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of Range False False alarm is detected and enabled QUAL_ALM BOOL When TRUE the Quality Not False False Good alarm is detected and enabled HH_ALM BOOL When TRUE the High High alarm False False is detected and enabled LL_ALM BOOL When TRUE the Low Low alarm False False is detected and enabled IR_ALM BOOL When TRUE the Increasing Rate False False of Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing Rate False False of Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute Rate of False False Change alarm is detected and enabled VL_EUMIN_OUT REAL Copy of Engineering unit Output 0 False Low VL_EUMAX_OUT REAL Copy of Engineering unit Output 0 False High Note The APACS SP output was renamed to SP_OUT to avoid conflict with the newly added SP In Out parameter SP_OUT is used to interconnect the set point value to other entities on a chart The OS interaction is handled by the SP In Out parameter PCS 7 APACS ES Library User s Gu
170. e per min USE_RR BOOL Ramp mode control Use RTIME False True or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracking control True True When Track internal setpoint tracks PV PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per Reset 4000 True 0 0 to 4000 0 TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 True 2 00 to 20 00 DIR BOOL Reverse or Direct action False True ADAPTIVE_PG_INI BOOL Adaptive Gain Init flag False True T PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output Low 0 True VL_EUMAX REAL Engineering unit Output High 100 True VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3 3 True VLH REAL OUT high limit input 103 3 True H_LIM REAL The value in engineering units 100 True to which the PV input is compared for the High alarm H_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the High alarm to clear H_DELAYIN TIME The amount of time the input THOMS False Oto must reach or exceed the High 24d20h31m23 limit to trip an alarm s647ms H_DELAYOUT TIME The amount of time the input THOMS False Oto must be within the High limit and 24d20h31m23 deadband to cause the alarm to s647ms clear L_LIM REAL The value in engineering units O True to wh
171. e Interlock input e Configure the description so that it is no longer null If the description is left as a null the faceplate will not display the status for this interlock The faceplate is designed to hide an interlock condition when the interlock description is null PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 179 Library Function Blocks Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in ac
172. e derivative action can be directly applied to the process variable PV_IN instead of the error In this controller implementation the derivative filter TM_LAG is completely independent of the derivative time TV The significance of this is that the derivative filter component is essentially a fourth tuning parameter that must be manually set separately and in relation to the derivative time otherwise the derivative action will become too aggressive as the derivative time is increased Normally TM_LAG should be set to approximately TV 10 which effectively yields a derivative gain of 10 Which controller algorithm to use The APACS controller algorithm is most similar to an analog controller and is reasonably tuned using the Ziegler Nichols tuning method The reset feedback implementation plays a key role in most of the basic and advanced control strategies The PCS 7 controller algorithm is based on the theoretical ideal equation and provides many configuration options This flexibility however requires more effort to set up PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 5 7 Differences between APACS and PCS 7 5 8 As mentioned above the implementation of derivative filtering is different The APACS controller essentially makes derivative filtering transparent by adjusting the filtering in direct relation to the derivative time The PCS 7 controller however requires manual intervention to maintain prope
173. e of Change alarm to clear 0 5 True IR_DELAYIN TIME The amount of time the input must reach or exceed the Increasing Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms IR_DELAYOUT TIME The amount of time the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms DR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Decreasing Rate of Change alarm True DR_DB REAL The amount of engineering units by which PV must be within the limit for the Decreasing Rate of Change alarm to clear 0 5 True DR_DELAYIN TIME The amount of time the input must reach or exceed the Decreasing Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms DR_DELAYOUT TIME The amount of time the input must be within the Decreasing Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms AR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Absolute Rate of Change alarm True AR_DB REAL The amount of engineering units by which PV must be within the limit for the Absolute Rate of Change alarm to clear 0 5 True AR_DELAYIN TIME The amount of t
174. e primary Quality False False Not Good alarm is detected and enabled P_HH_ALM BOOL When TRUE the primary High High False False alarm is detected and enabled P_LL_ALM BOOL When TRUE the primary Low Low False False alarm is detected and enabled P_IR_ALM BOOL When TRUE the primary Increasing False False Rate of Change alarm is detected and enabled P_DR_ALM BOOL When TRUE the primary False False Decreasing Rate of Change alarm is detected and enabled P_AR_ALM BOOL When TRUE the primary Absolute False False Rate of Change alarm is detected and enabled S_H_ALM BOOL When TRUE the secondary High False False alarm is detected and enabled S_L_ALM BOOL When TRUE the secondary Low False False alarm is detected and enabled S_HD_ALM BOOL When TRUE the secondary High False False Deviation alarm is detected and enabled S_LD_ALM BOOL When TRUE the secondary Low False False Deviation alarm is detected and enabled PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 43 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values S_AD_ALM BOOL When TRUE the secondary False False Absolute Deviation alarm is detected and enabled S_OOR_ALM BOOL When TRUE the secondary Out of False False Range alarm is detected and enabled S_QUAL_ALM BOOL When TRUE the secondary Quality False False Not Good alarm is
175. e seen for this purpose For example the switch between Auto and Manual modes of operation can be made either by the Program or by the Operator as follows e LIOP_MAN_SEL TRUE The connected value at the AUT_L link block input will determine the Auto Manual mode Operator input is ignored e LIOP_MAN_SEL FALSE The operator input from the HMI will determine the Auto Manual mode The value configured at the AUT_L block input is ignored In all cases the correct current value of the variable is shown to the operator in the faceplate Process Object View Many of the configurable parameters of the library have been enabled for viewing and editing with the SIMATIC Process Object View tool in SIMATIC Manager accessible under the View menu This gives a convenient method for bulk programming of selected values in the program 5 2 Alarm Differences The philosophy of acknowledgement of alarms that are disabled or out of service differs between APACS and PCS 7 In APACS when an alarm is disabled or alarms are OOS all affected current alarms are set FALSE and automatically acknowledged in the controller but are still shown as active in the HMI In PCS 7 alarms are acknowledged in the HMI and reported to the controller When an alarm is disabled or alarms are OOS all affected current alarms are set FALSE in the controller but they are not automatically acknowledged in order to avoid a difference between the controller state and th
176. e state of the HMI In the HMI any affected alarm that was previously acknowledged will be removed from the incoming alarm list Any affected alarm that was not previously acknowledged will show a change of status to indicate that the condition is gone New alarms will not be posted in either PCS 7 or APACS if they are disabled PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 5 5 Differences between APACS and PCS 7 5 3 APACS versus PCS 7 Controller Algorithm Comparison The PID controller algorithms used by the APACS and the PCS 7 control systems are not identical The major differences between the controller algorithms are the following e The APACS controller is based on the series interacting transfer function while the PCS 7 controller is based on the parallel non interacting transfer function e The APACS controller implements the integral action using reset feedback whereas the PCS 7 controller implements the integral action directly to the gain error e Derivative filtering in the APACS controller will always vary in direct proportion to the derivative time whereas the PCS 7 controller contains a separate derivative filter parameter that must be independently adjusted in relation to the derivative time e The time units of the integral and derivative components are in minutes for the APACS controller while they are in seconds for the PCS 7 controller APACS Algorithm 5 6 The transfer function use
177. e within the limit for the Low Deviation alarm to clear LD_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Low Deviation limit to trip an 23s647ms alarm LD_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Low 24d20h31m Deviation limit and 23s647ms deadband to cause the alarm to clear AD_LIM REAL The value in engineering 100 True units to which ABS PV DEV is compared for the Absolute Deviation alarm AD_DB REAL The amount of engineering 0 5 True units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear AD_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Absolute Deviation limit to 23s647ms trip an alarm AD_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute 24d20h31m Deviation limit and 23s647ms deadband to cause the alarm to clear OOR_DELAYIN TIME The amount of time the input THOMS False 0 to must be outside the limits 24d20h31m EINH EINL to trip the Out of 23s647ms Range alarm OOR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the limits 24d20h31m EINH EINL to cause the Out 23s647ms of Range alarm to clear QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip 24d20h31m
178. eedback run must be connected to the VALUE input of block FB_RUN via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the motor to be controlled Simulation If there is no feedback run the simulation can be switched on at driver block FB_RUN SIM_ON 1 Simulation of motor proof is accomplished by delaying the MOTOR block s OUT signal via a TIMER_P block SIMULATION Note that the TIMEO parameter should be less than MOTOR block s STRT_T and STOP_T parameters Parameter Assignment Configure the following parameters for your application e To set the MOTOR block s maximum allowed time to start and stop set the parameters STRT_T and STOP_T of the MOTOR block which are marked for IEA individually e Interlock Faults Channel faults are detected by the input and output drivers See also MOTOR_10UT_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 11 Template Charts 3 9 MOTOR_2OUT_AT This template can be used to implement a motor start stop with a start output and a stop output The block is designed for a motor with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The MOTOR block has inputs PROOF A_STRT A_STOP and INTRLK for the proof auto start command auto stop command and interlock and outputs STRT_O STOP_O and FAIL for the start output stop output
179. eedback to False True verify that the valve is open CL_VER BOOL CL_VER feedback to False True verify that the valve is closed A_OPEN BOOL A false to true transition False False of A_OPEN opens the valve when in AUTO mode AUTO true A_CLSE BOOL A false to true transition False False of A_CLSE closes the valve when in AUTO mode AUTO true INTRLK BOOL INTRLK forbids False True activation of the valve SAMPLE_T REAL Sample Time in Compiler False seconds generated PCS 7 APACS ES Library User s Guide for V6 1 2 26 A5E00595270 01 Library Function Blocks Name RSTRT_AUTO_FLAG Data Type BOOL Explanation Default retain on WS Use load val on CS Force Use RSTRT_AUTO_VALUE on restart Initial False OC amp M Valid Values True RSTRT_AUTO_VALUE BOOL Init restart value for Auto Mode if RSTRT_AUTO_FLAG true False False RSTRT_OUT_FLAG BOOL Default retain on WS Use load val on CS Force Use RSTRT_AUTO_VALUE on restart False True RSTRT_OUT_VALUE BOOL Init restart value for OUT if RSTRT_OUT_FLAG true False False EV_ID DWORD Event ID Compiler generated False LIOP_MAN_SEL AUT_L BOOL BOOL Select AUTO MANUAL 1 Linking 0 Operator active Linkable input for AUTO MANUAL mode 1 AUTO False False False False BA_EN BOOL Batch enabled True
180. eering units to which the S_ PV input is compared for the Low Low alarm True S_LL_DB REAL The amount of engineering units by which S_PV must be within the limit for the Low Low alarm to clear 0 5 True S_LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm T HOMS False 0 to 24d20h31m 23s647ms 2 52 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name S_LL_DELAYOUT Data Type TIME Explanation The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear Initial THOMS OC amp M Valid Values False 0 to 24d20h31m 23s647ms S_IR_LIM REAL The value in engineering units per minute to which the S_PV input is compared for the Increasing Rate of Change alarm True S_IR_DB REAL The amount of engineering units by which S_PV must be within the limit for the Increasing Rate of Change alarm to clear 0 5 True S_IR_DELAYIN TIME The amount of time the input must reach or exceed the Increasing Rate of Change limit to trip an alarm T 0MS False 0 to 24d20h31m 23s647ms S_IR_DELAYOUT TIME The amount of time the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear T 0MS False 0 to 24d20h31m 23s647
181. efault PCS 7 behavior Forcing the EXT parameter to External will cause the SP to be set to the ESP thereby overriding the SP restart parameter settings If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant There is no associated faceplate for this block PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 145 Library Function Blocks 2 19 1 1 SETPNT_AFB Input Output Input Name Data Explanation Initial OC amp M Valid Type Values PV REAL Process Variable 0 False ESP REAL External Setpoint 0 False TARGET REAL Target value for setpoint True ramping RSTRT_AUTO_FLAG BOOL Default Retain on WS Use load True False val on CS Force Use RSTRT_AUTO_VALUE on restart RSTRT_AUTO_VALUE BOOL Init restart viaue for Auto Mode if False False RSTART_AUTO_FLAG true RSTRT_EXT_FLAG BOOL Default Retain on WS Use load True False valon CS Force Use RESTRT_EXT_VALUE on
182. enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step 0 True number DecimalPlacesP_PV INT Decimal places 2 True displayed in HMI for Primary PV SP etc DecimalPlacesS_PV INT Decimal places 2 True displayed in HMI for Secondary PV SPetc PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 41 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values DecimalPlacesOUT INT Decimal places 2 True displayed in HMI for OUT OUT Limits ConfirmChange BOOL If TRUE changes False True from HMI must be confirmed LIOP_MAN_SEL BOOL Select 0 False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for 0 False AUTO MANUAL mode 1 AUTO LIOP_P_ISP_SEL BOOL Select Primary 0 False internal SP 1 from Link 0 from Operator P_SP_L REAL Linkable input for 0 0 False Primary internal Setpoint LIOP_S_ISP_SEL BOOL Select Secondary 0 False internal SP 1 from Link 0 from Operator S_SP_L REAL Linkable input for 0 0 False Secondary internal Setpoint LIOP_EXT_SEL BOOL Select 0 False External Internal SP flag 1 from Link 0 from Operator EXTRNL_L BOOL Linkable input to 0 False select External Internal SP flag 1 Extrnl LIOP_OUT_SEL BOOL Select writing to 0 False OUT 1 from Link 0
183. er FB502 The Setpoint Function Block Setpnt_AFB manages the setpoint value process operating value which can be derived from two user specified sources e Internal setpoint ISP e External setpoint ESP The setpoint SP value is limited by both low and high limits LOLIM and HILIM to prevent the setpoint from being inadvertently driven beyond a process operating limit The internal setpoint can be changed via the Computer Setpoint CSP or the Setpoint function block itself in track or ramp mode The Setpoint function block may write either the track variable PV presumably the control loop process variable or the External Setpoint ESP to its internal setpoint depending on the modes and options selected The computer setpoint is written to by an operator command The SP value is assigned to CSP as well All values are in engineering units The Setpoint function block has a ramping feature to create a ramping setpoint Ramping is allowed only when the AUTO input is TRUE and the EXTRNL input is FALSE The ramp start point is the ISP value The TARGET value is the intended endpoint Either a ramp time RTIME or a ramp rate RRATE controls the ramp slope The USE_RRATE_SW switch determines which value is used FALSE for RTIME TRUE for RRATE When the RAMP value makes a FALSE to TRUE transition the block initializes the ramp mode As long as the RAMP and AUTO values are TRUE and the EXTRNL value is FALSE ramping
184. erlock 5 True True INTO6 BOOL Interlock 6 True True INTO7 BOOL Interlock 7 True True INTO8 BOOL Interlock 8 True True INTO9 BOOL Interlock 9 True True INT10 BOOL Interlock 10 True True INT11 BOOL Interlock 11 True True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 87 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values PERMIT_DESC STRING 32 Permit True Description INTO1_DESC STRING 32 Interlock 1 True Description INTO02_DESC STRING 32 Interlock 2 y True Description INT03_DESC STRING 32 Interlock 3 s True Description INT04_DESC STRING 32 Interlock 4 True Description INTO5_DESC STRING 32 Interlock 5 j True Description INTO6_DESC STRING 32 Interlock 6 s True Description INTO7_DESC STRING 32 Interlock 7 True Description INTO8_DESC STRING 32 Interlock 8 Bi True Description INTO9_DESC STRING 32 Interlock 9 is True Description INT10_DESC STRING 32 Interlock 10 S True Description INT11_DESC STRING 32 Interlock 11 True Description A1EN BOOL Enable Alarm 1 True True A2EN BOOL Enable Alarm 2 True True A3EN BOOL Enable Alarm 3 True True A4EN BOOL Enable Alarm 4 False True OOS BOOL Out of Service False True indicator EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart RSTRT_AUTO_FLAG BOOL Default retain on False True WS Use load val o
185. es OUT_L REAL Linkable input to be written 0 0 False to OUT 2 136 Note This list differs significantly from the inputs of the SECONDARY_AFB block in APACS In APACS only the PV and EXT_SP inputs are present EXT_SP is now ESP PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Output Name Data Explanation Initial OC amp M Valid Type Values SP_OUT REAL Calculated set point value 0 False OUT REAL Calculated output variable that 0 False has been limited ALARM BOOL Alarm Status False False CASC_S BOOL Cascade status True False H_ALM BOOL When TRUE the High alarm is False False detected and enabled L_ALM BOOL When TRUE the Low alarm is False False detected and enabled HD_ALM BOOL When TRUE the High Deviation False False alarm is detected and enabled LD_ALM BOOL When TRUE the Low Deviation False False alarm is detected and enabled AD_ALM BOOL When TRUE the Absolute False False Deviation alarm is detected and enabled OOR_ALM BOOL When TRUE the Out of Range False False alarm is detected and enabled QUAL_ALM BOOL When TRUE the Quality Not False False Good alarm is detected and enabled HH_ALM BOOL When TRUE the High High alarm False False is detected and enabled LL_ALM BOOL When TRUE the Low Low alarm False False is detected and enabled IR_ALM BOOL Whe
186. es This block contains an Enable input Alarm output and NAK not acknowledged output for each of the following alarm types e High e Out Of Range e Low e Quality Not Good e Absolute Deviation e Absolute Rate Of Change e High Deviation e Increasing Rate Of Change e Low Deviation e Decreasing Rate Of Change e High High e Low Low Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Start up Characteristics This function block has no special startup properties Operator Control and Monitoring M amp C Relevant There is no associated faceplate for this block Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 3 Library Function Blocks ALARM_8PID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 I EV_ID 2 Warning below LOW BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC
187. es are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 65 Library Function Blocks Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm ALARN_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 F EV_ID 2 Warning below LOW BlockComment Limit 5 EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process OUT_OF_RANGE BlockComment Control Message Failure EV_ID 7 PLC Process QUALITY_NOT_GOOD Control Message BlockComment Failure EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 f EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC Block
188. es whether motor has fault condition Initial False Ooc amp M True Valid Values AUTO BOOL Auto mode output False True OVERRD BOOL Override output False True AUTO_TRACK BOOL If true block is set to auto mode when SFC transitions to AUTO MODE becomes True False False MODE_HOLD_AUTO BOOL Indicates whether block held in auto mode while MODE is True False False ACCEPT_ANY_AUTO BOOL When true block is set to auto when A_STRT or A_LSTOP changes state False False POS_TRANS_ASTOP BOOL Indicates whether a positive transition is required to stop the motor True False AUTO_TRANS_ REQ BOOL When true the A_STRT and A_STOP inputs need to change state to issue start stop True False FAIL_ON_INTRLK BOOL Fail on interlock When TRUE and the loss of an interlock stops the motor ie Uncommanded stop the FAIL status is set TRUE and the ALARM_STATE parameter is set to its appropriate valve False False FAIL_ON_STRT_CMD BOOL Fail on start command When TRUE and a start command is rejected due to the interlocks of permissive the FAIL status is set TRUE and the ALARM_STATE is set to its appropriate value False False START BOOL Start command value for manual mode False True STOP BOOL Stop command value for manual mode False True STRT_T TIME
189. f RSTRT_SP_FLAG true and Auto mode False RSTRT_OUT_FLAG BOOL Default Retain on WS Use load value on CS Force Use RSTRT_OUT_VALUE on restart True False RSTRT_OUT_VALUE REAL Init restart value for OUT if RSTRT_OUT_FLAG true and manual mode False BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number True BA_NA STRING 32 Batch name True STEP_NO DWORD Batch step number True DecimalPlacesPV INT Decimal places displayed in HMI for PV SP etc True DecimalPlacesOUT INT Decimal places displayed in HMI for OUT OUT Limits True ConfirmChange BOOL If TRUE changes from HMI must be confirmed False True LIOP_MAN_SEL BOOL Select AUTO MANUAL 1 Linking 0 Operator active False AUT_L BOOL Linkable input for AUTO MANUAL mode 1 AUTO False LIOP_ISP_SEL BOOL Select internal SP 1 from Link 0 from Operator False SP_L REAL Linkable input for internal Setpoint 0 0 False LIOP_OUT_SEL BOOL Select writing to OUT 1 from Link 0 from Operator False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 135 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Valu
190. f time T Od0hOm0s0ms False the input must be within the Absolute Rate of Change limit and deadband to cause the alarm to clear EINL REAL The PV low value 0 True used for the Out of Range alarm EINH REAL The PV high value 100 0 True used for the Out of Range alarm DISABLE_ON_OOS BOOL When set to TRUE False False the block is disabled if OOS is also TRUE Note This list differs from the softlist parameters of the AALM_AFB block in APACS as follows e The ALARM_TYPE parameters have been eliminated because there are now twelve sets of parameters instead of just four The type is now part of each parameter name e There is now a LIMIT DEADBAND DELAYIN and DELAYOUT parameter for each alarm type that requires it e The PCS 7 OS provides a ringback mechanism The RINGBACK parameters have been removed PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 13 Library Function Blocks 2 3 2 3 1 Function AM_AFB AM_AFB Auto Manual Function Block Name AM_AFB Function Block Number FB500 The Auto Manual Function Block AM_AFB regulates the source of a control loop output Generally the block outputs either the Input IN value in automatic mode or its Internal Output IOUT value in manual mode When the block is in standby mode the external variable EXTV is written to the output OUT The block s IN input is usually conne
191. ffers from the softlist parameters of the AM block in APACS as follows COUT has been moved from Output to Input Output 2 16 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 4 ANALOG_ALM_AFB 2 4 1 ANALOG_ALM_AFB Analog Alarm Function Block Name ANALOG_ALM_AFB compiled version of the Chart Function Block Number FB600 Chart Name ANALOG_ALM See also Template Chart ANALOG_ALM_AT usage example Function The Analog Alarm Function Block ANALOG _ALM_AFB is a factory compiled function block ready to use analog indicator with alarms It is based on the APACS ANALOG_ALARM block in the Basic Application Library As delivered the PV Process Variable input value is monitored for both high and low alarms The ALARM output value provides the overall alarm status In addition there is an alarm output for each analog alarm type Alarms are annunciated on the HMI The ENG_UNITS and DESC In Outs are for holding values for the engineering units and descriptor respectively Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Start up Characteristics This function block has no special startup properties Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to
192. g units by which PV must be within the limit for the Low alarm to clear 0 5 True L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear T HOMS False 0 to 24d20h31m 23s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True 2 156 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values LD_DB REAL The amount of engineering 0 5 True units by which DEV PV must b
193. gs and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm ALARM_8P ID Message Message Class Default Message Text EV_ID 1 Warning Pri HIGH BlockComment Limit 4 f above EV_ID 2 Warning below Pri LOW BlockComment Limit 5 f EV_ID 3 Alarm above Pri HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below Pri LOW_DEV BlockComment Limit 7 f EV_ID 5 Alarm above Pri ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process Pri OUT_OF_RANGE BlockComment Control Message Failure EV_ID 7 PLC Process P
194. h the block is installed for example OB32 Start up Characteristics This function block has no special startup properties Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message Message Class Default Message Text 1 PLC Process Control Message Failure DISCRETE BlockComment PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 61 Library Function Blocks Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d STEP_NO 2 9 1 1 DISCRETE_ALM_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values DIN BOOL The discrete False True parameter being monitored ENABLE BOOL Enable Alarm 1 True True OOS BOOL Out of Service False True Indicator EV_ID DWORD Event ID Compiler generated for False the type N A for the chart BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True STEP_NO DWORD Batch step 0 True number BA_NA STRING 32 Batch name te True ConfirmChange BOOL If TRUE changes False True from HMI must be confi
195. hart BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name A True STEP_NO DWORD Batch step number 0 True DecimalPlacesPV INT Decimal places 2 True displayed in HMI for PV ConfirmChange BOOL If TRUE changes from False True HMI must be confirmed PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Output Name Data Explanation Initial OC amp M Valid Type Values ALARM BOOL Alarm indicator False False H_ALM BOOL When TRUE the High alarm is detected and False False enabled L_ALM BOOL When TRUE the Low alarm is detected and False False enabled HD_ALM BOOL When TRUE the High Deviation alarm is False False detected and enabled LD_ALM BOOL When TRUE the Low Deviation alarm is False False detected and enabled AD_ALM BOOL When TRUE the Absolute Deviation alarm is False False detected and enabled OOR_ALM BOOL When TRUE the Out of Range alarm is False False detected and enabled QUAL_ALM BOOL When TRUE the Quality Not Good alarm is False False detected and enabled HH_ALM BOOL When TRUE the High High alarm is detected False False and enabled LL_ALM BOOL When TRUE the Low Low alarm is detected False False and enabled IR_ALM BOOL When TRUE the Increasing Rate of Change False False alarm is detected and en
196. he RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior M Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Interlock Configuration
197. he CONTROLLER block The SETPOINT block has a ramping feature for auto mode The setpoint tracks the process variable PV in manual or standby sync mode AUTO FALSE or SS TRUE The CONTROLLER block is a PID_AFB block it operates when AUTO TRUE and SS FALSE and tracks the downstream output OUT in manual or standby sync mode The AUTO_MANUAL block provides standby sync and manual control of the output In standby sync mode the external value EXTV becomes the loop output OUT In auto mode the CONTROLLER block output becomes the loop output In manual mode the AUTO_MANUAL block internal output IOUT becomes the loop output Calling OBs and Start up 2 158 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP and OUT is configurable allowing the user to override the default PCS 7 behavior described above if PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks necessary As delivered AUTO will be forced to Manual and OUT will be forced to 0 0 on a CPU restart SP will
198. he CONTROLLER s VL_EUMAX_OUT and VL_EUMIN_OUT outputs respectively As configured OUTPUT s upper limit UHRANGE and the OUTPUT s lower limit ULRANGE match the CONTROLLER s VL_EUMAX and VL_EUMIN respectively Configure the following parameters which are marked for IEA for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 17 Template Charts Faults Channel faults are detected by the input and output drivers and are assigned to input QBAD of the CONTROLLER block An alarm message will then be posted if QUAL_EN is enabled See also SINGLE_LOOP_AFB PCS 7 APACS ES Library User s Guide for V6 1 3 18 A5E00595270 01 Template Charts 3 13 SINGLE_LP_SS_AT This template can be used to implement a single loop PID controller with tracking setpoint and standby sync functionality The External Value and Standby Sync command inputs allow the controller output to be immediately forced to any desired value High and low alarms are provided for the process variable and an additional alarm is provided to detect a deviation between the process variable and setpoint The
199. hich PV must be within the limit for the High High alarm to clear 0 5 True HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms LL_LIM REAL The value in engineering units to which the PV input is compared for the Low Low alarm True LL_DB REAL The amount of engineering units by which PV must be within the limit for the Low Low alarm to clear 0 5 True LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms LL_DELAYOUT TIME The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms IR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm True IR_DB REAL The amount of engineering units by which PV must be within the limit for the Increasing Rate of Change alarm to clear 0 5 True 2 114 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks
200. hs A ie ae acces 2 2 PALM APB oe icictenccosscccecssazechsectiarsacane gataste svaigssens satiate avtuneuvaus ddeensta ceexsaeceeaned 2 3 AM AFB irr cenna r E E EA AN E E aae 2 4 ANALOG_ALM_AFB cceccceeeeeceeeeeneeeeeeeeeeeeeeeeeeeeeaeeeeeeeeeeeeeneeeeeeeeeeeneees 2 5 BLK_VLV_1OUT_AFPB 00 ececeeececeeeecenneeeeeeeeeeeeeeeeeeeeeeeeseeeaeeeseeeeeeeeeeeeeeenes 2 5 1 BLK_VLV_1O0UT Block Valve with One eccecccceceeeeeseeeeeeeeeessneteeeeees 2 6 BLK_VLV_2OUT_AFPB 0 ecceeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeeaneeeeeeaeeeseeeeeeeeeeeeeeeeas 2 7 CASCADE AFB ircd enma eca ae cds ina eae a RE NEEN a 2 8 DALM AFB ei oeae ae a ra aE Ee AEEA T EEEE eE eaa aE S NUS 2 9 DISCRETE_ALM_APB 0 eccceeeessceeceenceeeeeeeeeeeeeeeeeeeeeeeeseaeeeeseeeeeeeeeeeeeneees 2 10 EXT SET AF Banuen a a e eiee Ea o Eee 2 11 MOTOR A AF Beius eiaa rr eea iaee peene sii iaeiei 2 12 MOTOR A ALM AFB aii shield Gada Ahn aed 2 13 MOTOR _10UT_AFB iinet ciena eld acelin SEN EiS 2 14 MOTOR 20UT APB nosines seini evi aici 2 15 PID APB icescisielen dee i a ed a ce eet 2 16 PRIMARY APB issnin aote da edt 2 17 RATIO SET AF Buinn na E touhads E E a a 2 18 SECONDARY AFB i sesccsicvvtcusaes decvesncetenesnscnveseconssedeetsscediounsueteenectoearstcaennes 2 19 SETRNT ARB cr kuaa rar E E E E Ea 2 20 SINGLE LOOP AFB e cc cothteseds coneeatsesoesssecesnnstents sebegbuvbciek doaa ia paasa ainia 2 21 SINGLE_LP_SS_AFB o isiisissiiscisiiseicsisiisnisesiasseinnis
201. ia CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 131 Library Function Blocks Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm ALARN_8P ID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 F EV_ID 2 Warning below LOW BlockComment Limit 5 f EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 EV_ID 4 Alarm below LOW_DEV BlockComment Limit 7 EV_ID 5 Alarm above ABSOLUTE_DEV BlockComment Limit 8 f EV_ID 6 PLC Process OUT_OF_RANGE BlockComment Control Message Failure EV_ID 7 PLC Process QUALITY_NOT_GOOD Control Message BlockComment Failure EV_ID2 1 Alarm above HIGH_ HIGH BlockComment Limit 4 EV_ID2 2 Alarm below LOW_ LOW BlockComment Limit 5 EV_ID2 3 Warning above INC_ROC BlockComment Limit
202. iable 0 True FDBK REAL Controller tracks feedback 0 False when AUTO FALSE or CASC_S FALSE CASC_S BOOL Secondary cascade False False status INIT BOOL Transitions of the INIT False False input cause the initialization equation to be performed TSP REAL SP target value for SP 0 True ramping H_EN BOOL Enable High Alarm True True L_EN BOOL Enable Low Alarm True True HD_EN BOOL Enable High Deviation False True Alarm LD_EN BOOL Enable Low Deviation False True Alarm AD_EN BOOL Enable Absolute True True Deviation Alarm OOR_EN BOOL Enable Out of Range False True Alarm QUAL_EN BOOL Enable Quality Not Good False True Alarm HH_EN BOOL Enable High High Alarm False True LL_EN BOOL Enable Low Low Alarm False True IR_EN BOOL Enable Increasing Rate of False True Change Alarm DR_EN BOOL Enable Decreasing Rate False True of Change Alarm AR_EN BOOL Enable Absolute Rate of False True Change Alarm OOS BOOL Out of Service indicator False True QBAD BOOL Bad quality indicator False False EV_ID DWORD Event ID DW 16 False 5 EV_ID2 DWORD Event ID DW 16 False 6 SAMPLE_T REAL Scan Rate Use only 0 1 False when compiling CFC as block type PCS 7 APACS ES Library User s Guide for V6 1 2 108 A5E00595270 01 Library Function Blocks Name RSTRT_AUTO_FLAG Data Type BOOL Explanation Default Retain on WS Use load value on CS Force Use RSTRT_AUTO_VALUE on restart Initial True OC amp M Valid Values False
203. iately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior M Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced f
204. ich the PV input is compared for the Low alarm L_DB REAL The amount of engineering units 0 5 True 2 72 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name L_DELAYIN Data Type TIME Explanation The amount of time the input must reach or exceed the Low limit to trip an alarm Initial T OMS oc False Valid Values 0 to 24d20h31m23 s647ms L_DELAYOUT TIME The amount of time the input must be within the Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms HD_LIM REAL The value in engineering units to which PV DEV is compared for the High Deviation alarm True HD_DB REAL The amount of engineering units by which PV DEV must be within the limit for the High Deviation alarm to clear 0 5 True HD_DELAYIN TIME The amount of time the input must reach or exceed the High Deviation limit to trip an alarm T OMS False 0 to 24d20h31m23 s647ms HD_DELAYOUT TIME The amount of time the input must be within the High Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms LD_LIM REAL The value in engineering units to which DEV PV is compared for the Low Deviation alarm True LD_DB REAL The amount of engineering units by which DEV PV must be withi
205. ide for V6 1 A5E00595270 01 2 165 Library Function Blocks Input ouput Name Data Explanation Initial OC amp M Valid Values Type AUTO BOOL Auto manual mode control False True SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode False True control R_TIME TIME Ramp time THOMS True 0 to 24d20h31m23 s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering 0 True units per min USE_RR BOOL Ramp mode control Use False True RTIME or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracking True True control When Track internal setpoint tracks PV PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per 4000 True 0 0 to 4000 0 Reset TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 True 2 00 to 20 00 DIR BOOL Reverse or Direct action False True ADAPTIVE _PG_INIT BOOL Adaptive Gain Init flag True PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output Low 0 True VL_EUMAX REAL Engineering unit Output High 100 True VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3 3 True VLH REAL OUT high limit input 103 3 True
206. igh high high alarm WH Warning high high alarm WL Warning low low alarm AL Alarm low low low alarm TH Tolerance high TL Tolerance low F Process error field Control system message system Ss OS control system message fault M Preventive maintenance PM Process message Operation message OR Operator request OM 1 Operation message 1 If the block is used for operation messages the inputs _ 1 have to be supplied with pulses Assignment of the static value 1 would lead to multiple messages PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 4 1 5 Differences between APACS and PCS 7 5 1 General Differences Softlist Parameters There are no softlist parameters in function blocks created in PCS 7 In general these values have become In Out parameters In some specific cases they are inputs Time Parameters Time parameters have a different range of values The maximum values are as follows APACS maximum time 49d17h2m47s295ms PCS 7 APACS ES Libraries maximum 24d20h31m23s647ms time Relationship Between Blocks and Charts In APACS Derived Function Blocks can be opened in 4 mation to give the user access to the standard function blocks that form the DFB During runtime the values of the component FBs can be viewed and modified The DFBs also have faceplates to allow the values to be viewed and modified from an HMI Source charts created in the CFC editor of the P
207. ime the input must reach or exceed the Absolute Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 141 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values AR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear OOR_DELAYIN TIME The amount of time the input T OMS False 0 to must be outside the limits 24d20h31m EINH EINL to trip the Out of 23s647ms Range alarm OOR_DELAYOUT TIME The amount of time the input T OMS False 0 to must be within the limits 24d20h31m EINH EINL to cause the Out 23s647ms of Range alarm to clear QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip the 24d20h31m Quality Not Good alarm 23s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to 24d20h31m cause the Quality Not Good 23s647ms alarm to clear DISABLE_ON_OOS BOOL When set to TRUE the block False False is disabled if OOS is also TRUE 2 142 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 19 2 19 1 Function SETPNT_AFB SETPNT_AFB Setpoint Function Block Name SETPNT_AFB Function Block Numb
208. injury to persons with a safety alert symbol may also include a warning relating to property damage Qualified Personnel The device system may only be set up and used in conjunction with this documentation Commissioning and operation of a device system may only be performed by qualified personnel Within the context of the safety notices in this documentation qualified persons are defined as persons who are authorized to commission ground and label devices systems and circuits in accordance with established safety practices and standards Prescribed Usage A Trademarks Note the following Warning This device and its components may only be used for the applications described in the catalog or the technical description and only in connection with devices or components from other manufacturers which have been approved or recommended by Siemens Correct reliable operation of the product requires proper transport storage positioning and assembly as well as careful operation and maintenance All names identified by are registered trademarks of the Siemens AG The remaining trademarks in this publication may be trademarks whose use by third parties for their own purposes could violate the rights of the owner Disclaimer of Liability We have reviewed the contents of this publication to ensure consistency with the hardware and software described Since variance cannot be precluded entirely we cannot guarantee full consisten
209. is continued using the same ramp rate as previous to the HOLD mode and the current ISP as the restart value however the remaining ramp time RTIME value is recalculated Secondly if any of the three ramp values TARGET RTIME or RRATE have changed the new inputs are used just as if the ramp mode was being initialized for the first time To cancel a ramp first place the block in hold mode RAMP FALSE then set the RTIME value to zero for a time mode ramp or set the RRATE value to zero for a rate mode ramp Note When a ramp is finished the RAMP input output is reset RAMP FALSE Calling OBs and Start up 2 144 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see start up characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and SP is configurable allowing the user to override the default PCS 7 behavior above if necessary As delivered AUTO will be forced to Manual and EXT will be forced to Internal on a CPU restart SP will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_AUTO_FLAG could result in your process run
210. is FALSE when its alarm state does not match the corresponding IN input value The Out Of Service OOS output value indicates to monitoring devices when the alarm block has been put in the Out Of Service state Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Start up Characteristics This function block has no special startup properties Operator Control and Monitoring M amp C Relevant There is no associated faceplate for this block Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 55 Library Function Blocks Message Message Class Default Message Text 1 PLC Process Control Message Failure DISCRETE BlockComment 2 PLC Process Control Message Failure DISCRETE BlockComment 3 PLC Process Control Message Failure DISCRETE BlockComment 4 PLC Process Control Message Failure DISCRETE BlockComment 5 PLC Process Control Message Failure DISCRETE BlockComment 6 PLC Process Control Message Failure DISCRETE BlockComment 7 PLC Process Control Message Failure DISCRETE BlockComment 8 PLC Process Control Message Failure DISCRETE
211. ist Select Object Properties and click the Attributes tab If not present add using the drop down box the attribute S7_m_c Set the value for S7_m_c to true Note that the new attribute will remain red until you select ok j Click OK 5 Compile as a block type From the main menu select Chart gt Compile gt Chart as block type 6 2 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Customizing the Library 6 Assign a new number name and 6 a Onthe General tab change Symbolic Name to comment NewSLOOP change the FB Number to 650 b On the Attributes tab change S7_m_c value to true 7 Complete the compile 7 Click OK 8 Close the window Modify Graphical Elements Note All changes must be made to files in the siemens wincc options pdl faceplatedesigner_v6 directory for the changed files to be automatically copied to subsequent projects If the changes are made in a project directory they will only be effective in that project Procedure Example 1 Start Graphics Designer from an existing project in PCS 7 OS 1 Double click on Graphics Designer from PCS 7 OS WinCC Explorer Update the block icon for the new type From Graphics Designer open siemens wincc options pdl faceplatedesigner_v6 PCS 7 Typicals pdl Copy desired symbol block icon Copy and paste the Single_Loop_AFB symbol to an empty space on the graphic
212. k OK d Right click the new I O Field The Object Properties dialog box appears Choose the Output Input property select Output Value and change the Dynamic to MSG_ERR e Change Output Format to 99 f Copy both new fields and paste them into any open space in the graphic g Change the text in the copied Static Text object to Status1 h Right click on the new I O Field The Object Properties dialog box appears Choose the Output Input property select Output Value and change the Dynamic to MSG_STAT i Save the file PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 6 5 Customizing the Library Test the changes Procedure 1 Create a new single project using project wizard Include a PCS 7 OS Configure the hardware and SIMATIC PC station according to your system 2 From Plant View open the CFC that was created by default 3 Drag the new block from the catalog to the CFC editing area 4 Compile the Chart 5 Download the program 6 In Plant View edit the properties of the picture at the hierarchy level of the chart 7 On the Block Symbols tab check the box Derive the block symbols from the technological hierarchy Click OK 8 In SIMATIC Manager compile the OS Check the box Create update block icons 9 Open the OS for the project 10 Start the runtime OS 11 In the WinCC runtime navigate to the picture that was updated wi
213. keri p Erne nA east O EEEa LEELEE RENEE 5 3 APACS versus PCS 7 Controller Algorithm Comparison 66 Customizing the Library Performance Data PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 vi PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 1 PCS 7 ES Option for APACS 1 1 Introduction The PCS 7 ES Option for APACS The PCS 7 ES Option for APACS is a SIMATIC PCS 7 library intended for users who have an APACS background The library also contains blocks from the APACS Basic Application Library that have been ported to both PCS 7 FBs and PCS 7 Continuous Function Charts CFCs PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 PCS 7 ES Option for APACS 1 2 1 2 Library Description The PCS 7 ES Option for APACS is a SIMATIC PCS 7 library is composed of Source Charts CFCs and Structured Control Language SCL source files that emulate many of the Derived Function Blocks DFBs in the APACS Basic Application Library The source charts and source files are also provided as compiled APACS function block types that may be used with their matching faceplates and graphic symbols Template Charts show how the APACS function block types are typically used This library supplies a set of building blocks for users who want to construct PCS 7 applications based on APACS structures These components are Ported APACS Blocks These function bloc
214. ks provide the functionality of APACS standard function blocks Source CFC Charts and Source SCL Files These charts and files provide the functionality of APACS derived function blocks and give users the ability to customize the types and create new types APACS Function Block Types These function blocks provide the functionality of APACS derived function blocks in a form that has connected faceplates and graphic symbols Template CFC Charts These charts provide examples of APACS function block types integrated with other PCS 7 blocks to facilitate easier user implementation within the PCS 7 ES Additional Topics Faceplates and Graphic Symbols These pre configured Human Machine Interface HMI elements provide the ability to display modify data associated with an APACS function block type Customizing the Library These instructions describe customization of the source charts and files including compilation to create new block types and modification of the graphical elements PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 Library Function Blocks 2 1 Introduction A PCS 7 function block serves the same purpose as a function block in APACS A function block runs a pre configured algorithm that is not user configurable There are block parameters that can be used to define the operation of the algorithm just as softlist parameters were used in APACS
215. larm is provided for failure to reach the desired state The VALVE block has inputs OP_VER CL_VER A_LOPEN A_CLSE and INTRLK for the open verify close verify auto open command auto close command and interlock and outputs OP_OUT CL_OUT and FAIL for the open output close output and failure status of the valve respectively The VALVE circuit contains apart from the VALVE block two digital input drivers and two digital output drivers Interconnections The signal for the open feedback must be connected to the VALUE input of block FB_OPEN via symbolic addressing The signal for the closed feedback must be connected to the VALUE input of block FB_CLOSED via symbolic addressing The VALUE output of the OPEN _OUTPUT block must be connected via symbolic addressing to the open signal for the valve to be controlled The VALUE output of the CLOSE_OUTPUT block must be connected via symbolic addressing to the close signal for output of the valve to be controlled Simulation If there is no feedback the simulation can be switched on at driver blocks FB _OPEN and FB_CLOSED SIM_ON 1 An SR_FF block SIMULATION is used to implement the simulation of the feedback Parameter Assignment Configure the following parameters for your application e To set the VALVE block s maximum allowed time to open and close set the parameter TRAV_T of the VALVE block e Interlock Faults Channel faults are detected by the input and output drivers
216. line the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information PCS 7 APACS ES Library User s Guide for V6 1 2 78 A5E00595270 01 Library Function Blocks Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message 1 Message Class Default Message Text PLC Process Control Message Failure Motor Feedback Failure BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s _ BA_NA 2 d _ BA_ID 3 d STEP_NO 2 11 1 14 MOTOR_A_AFB Input Output Input Name Data Type Explanation Initial oc amp Valid M Values PROOF BOOL Running status False True feedback signal from the motor A_STRT BOOL Automatic Start False False command input
217. ling CFC as block type Compiler generated for the type or N A if used as chart False RSTRT_AUTO_FLAG BOOL Default Retain on WS Use load val on CS Force Use RSTRT_AUTO_V ALUE on restart True False RSTRT_AUTO_VALUE BOOL Init restart value for Auto Mode if RSTRT_AUTO_F LAG true False False 2 40 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values P_RSTRT_SP_FLAG BOOL Default Retain on False False WS Use load val on CS Force Use RSTRT_SP_VAL UE on restart P_RSTRT_SP_VALUE REAL Init restart value 0 False for SP if RSTRT_SP_FLA G true and Auto mode RSTRT_CASC_FLAG BOOL Default Retainon True False WS Use load val on CS Force Use RSTRT_EXT_VAL UE on restart RSTRT_CASC_VALUE BOOL Init restart value False False for EXTernal if RSTRT_EXT_FLA G true S_RSTRT_SP_FLAG BOOL Default Retain on False False WS Use load val on CS Force Use RSTRT_SP_VAL UE on restart S_RSTRT_SP_VALUE REAL Init restart value 0 False for SP if RSTRT_SP_FLA G true and Auto mode RSTRT_OUT_FLAG BOOL Default Retainon True False WS Use load val on CS Force Use RSTRT_OUT_VA LUE on restart RSTRT_OUT_VALUE REAL Init restart value 0 False for OUT if RSTRT_OUT_FL AG true and manual mode BA_EN BOOL Batch
218. m 1 Enable True True A1LIM BOOL Alarm 1 Limit True False A1DELAYIN TIME Into Alarm 1 Delay Time T 0MS False 0 to 24d20h31m2 3s647ms A1DELAYOUT TIME Out of Alarm 1 Delay Time T 0MS False 0 to 24d20h31m2 3s647ms OOS BOOL Out of Service indicator False True DISABLE_ON_ OOS BOOL Disable on Out of Service False False 2 186 Note This list differs from the softlist parameters of the VALVE_A_AFB block in APACS as follows FAIL AUTO and OVERRD which were outputs in APACS have been moved to In Out in PCS 7 This is necessary to allow writes from the HMI ALARM_STATE was moved to Output The PT_DESC parameter has been eliminated Instead the Comment property of the block has been used to contain the point description information This is because the faceplate will automatically display the information provided in the Comment field INTO1_DESC through INT10_ DESC and PERMIT_DESC have been moved to Inputs FAIL_OPEN is named FAIL_OPEN_VALVE in APACS OPEN_T and CLOS_T are named OPEN_TIME and CLOSE_TIME in APACS The following alarm parameters are new A1EN A1LIM A1DELAYIN A1DELAYOUT OOS DISABLE_ON_OOS These are needed to support the alarming functionality PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 Template Charts A PCS 7 template is to be used in the creation of the controller configuration Each template contains a function block that has a corresponding symbol and f
219. me the input must be within the Low Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms IR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm True IR_DB REAL The amount of engineering units by which PV must be within the limit for the Increasing Rate of Change alarm to clear 0 5 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 127 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values IR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Increasing Rate of Change limit 23s647ms to trip an alarm IR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Increasing 24d20h31m Rate of Change limit and 23s647ms deadband to cause the alarm to clear DR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Decreasing Rate of Change alarm DR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Decreasing Rate of Change alarm to clear DR_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the 24d20h31m Decreasing Rate of Change limit 23s647ms to trip
220. mit for the Low Deviation alarm to clear 0 5 True LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms AD_LIM REAL The value in engineering units to which ABS PV DEV is compared for the Absolute Deviation alarm 100 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 113 Library Function Blocks Name AD_DB Data Type REAL Explanation The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear Initial 0 5 Oc amp M True Valid Values AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms HH_LIM REAL The value in engineering units to which the PV input is compared for the High High alarm True HH_DB REAL The amount of engineering units by w
221. mount of engineering units 0 5 True by which PV DEV must be within the limit for the High Deviation alarm to clear HD_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the High 24d20h31m Deviation limit to trip an alarm 23s647ms HD_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the High 24d20h31m Deviation limit and deadband to 23s647ms cause the alarm to clear LD_LIM REAL The value in engineering units 0 True to which DEV PV is compared for the Low Deviation alarm LD_DB REAL The amount of engineering units 0 5 True by which DEV PV must be within the limit for the Low Deviation alarm to clear LD_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the Low 24d20h31m Deviation limit to trip an alarm 23s647ms LD_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Low Deviation 24d20h31m limit and deadband to cause the 23s647ms alarm to clear AD_LIM REAL The value in engineering units 100 True to which ABS PV DEV is compared for the Absolute Deviation alarm 2 126 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name AD_DB Data Type REAL Explanation The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear Initial 0 5 Oc amp M
222. ms S_DR_LIM REAL The value in engineering units per minute to which the S_PV input is compared for the Decreasing Rate of Change alarm True S_DR_DB REAL The amount of engineering units by which S_PV must be within the limit for the Decreasing Rate of Change alarm to clear 0 5 True S_DR_DELAYIN TIME The amount of time the input must reach or exceed the Decreasing Rate of Change limit to trip an alarm T 0MS False 0 to 24d20h31m 23s647ms S_DR_DELAYOUT TIME The amount of time the input must be within the Decreasing Rate of Change limit and deadband to cause the alarm to clear T 0MS False 0 to 24d20h31m 23s647ms S_AR_LIM REAL The value in engineering units per minute to which the S_PV input is compared for the Absolute Rate of Change alarm True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 53 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values S_AR_DB REAL The amount of engineering 0 5 True units by which S_PV must be within the limit for the Absolute Rate of Change alarm to clear S_AR_DELAYIN TIME The amount of time the T OMS False 0 to input must reach or exceed 24d20h31m the Absolute Rate of 23s647ms Change limit to trip an alarm S_AR_DELAYOUT TIME The amount of time the T OMS False 0 to input must be withi
223. must be within the High Deviation limit and deadband to cause the alarm to clear T HOMS False 0 to 24d20h31m 23s647ms P_LD_LIM REAL The value in engineering units to which DEV P_PV is compared for the Low Deviation alarm True P_LD DB REAL The amount of engineering units by which DEV P_PV must be within the limit for the Low Deviation alarm to clear 0 5 True 2 46 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name P_LD_DELAYIN Data Type TIME Explanation The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm Initial T OMS OC amp M Valid Values False 0 to 24d20h31m 23s647ms P_LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear THOMS False 0 to 24d20h31m 23s647ms P_AD_LIM REAL The value in engineering units to which ABS P_PV DEV is compared for the Absolute Deviation alarm 100 True P_AD_ DB REAL The amount of engineering units by which ABS P_PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True P_AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm THOMS False 0 to 24d20h31m 23s647ms
224. n CS Force Use RSTRT_AUTO_V ALUE on restart RSTRT_AUTO_VALUE BOOL Init restart value False False for Auto Mode if RSTRT_AUTO_F LAG true RSTRT_OUT_FLAG BOOL Default retain on False True WS Use load val on CS Force Use RSTRT_AUTO_V ALUE on restart 2 88 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values RSTRT_OUT_VALUE BOOL Init restart value False False for OUT if RSTRT_OUT_FL AG true BA_EN BOOL Batch enabled False True OCCUPIED BOOL Batch occupied False True BA_ID DWORD Batch ID number 0 True BA_NA STRING 32 Batch name v True STEP_NO DWORD Batch step 0 True number ConfirmChange BOOL If TRUE changes False True from HMI must be confirmed LIOP_MAN_SEL BOOL Select False False AUTO MANUAL 1 Linking 0 Operator active AUT_L BOOL Linkable input for False False AUTO MANUAL mode 1 AUTO Output Name Data Explanation Initial OC amp M Valid Type Values OUT BOOL Output used to ultimately control the False True motor INTRLK BOOL Interlock OK output False True READY BOOL Ready output False False STATE INT State of the motor 0 False ALARM_STATE INT Alarm state 0 False ALM1 BOOL Alarm 1 False False ALM2 BOOL Alarm 2 False False ALM3 BOOL Alarm 3 False False ALM4 BOOL Alarm 4 Fal
225. n TRUE the Increasing Rate False False of Change alarm is detected and enabled DR_ALM BOOL When TRUE the Decreasing False False Rate of Change alarm is detected and enabled AR_ALM BOOL When TRUE the Absolute Rate False False of Change alarm is detected and enabled VL_EUMIN OUT REAL Copy of VL_EUMIN Input 0 False VL_EUMAX_OUT REAL Copy of VL_EUMAX Input 0 False Note The SP output has been converted to SP_OUT SP_OUT is used to interconnect the set point value to other entities on a chart The OS interaction is handled by the SP InOut parameter PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 137 Library Function Blocks Input output Name Data Type Explanation Initial OC amp M Valid Values AUTO BOOL Auto manual mode control False True EXT BOOL Select between internal and False True external setpoint SP REAL Computer set point value 0 True RAMP BOOL SP ramping on off mode False True control R_TIME TIME Ramp time T HOMS True 0 to 24d20h31m 23s647ms SPL REAL Set point low limit 0 True SPH REAL Set point high limit 100 True R_RATE REAL Ramp rate in engineering 0 True units per min USE_RR BOOL Ramp mode control Use False True RTIME or RRATE to control ramp PV_TRACK BOOL Internal setpoint tracking True True control When Track internal setpoint tracks P
226. n alarm T OMS False 0 to 24d20h31m23 s647ms IR_DELAYOUT TIME The amount of time the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms 2 74 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Explanation Initial oc amp Valid Values Type M DR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Decreasing Rate of Change alarm DR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Decreasing Rate of Change alarm to clear DR_DELAYIN TIME The amount of time the input THOMS False Oto must reach or exceed the 24d20h31m23 Decreasing Rate of Change limit s647ms to trip an alarm DR_DELAYOUT TIME The amount of time the input THOMS False Oto must be within the Decreasing 24d20h31m23 Rate of Change limit and s647ms deadband to cause the alarm to clear AR_LIM REAL The value in engineering units 0 True per minute to which the PV input is compared for the Absolute Rate of Change alarm AR_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the Absolute Rate of Change alarm to clear AR_DELAYIN TIME The amount of time the input THOMS
227. n the 24d20h31m Absolute Rate of Change 23s647ms limit and deadband to cause the alarm to clear S_OOR_DELAYIN TIME The amount of time the T OMS False 0 to input must be outside the 24d20h31m limits EINH EINL to trip 23s647ms the Out of Range alarm S_OOR_DELAYOUT TIME The amount of time the T OMS False 0 to input must be within the 24d20h31m limits EINH EINL to cause 23s647ms the Out of Range alarm to clear S_QUAL_DELAYIN TIME The amount of time the T OMS False 0 to input quality must be bad 24d20h31m to trip the Quality Not 23s647ms Good alarm S_QUAL_DELAYOUT TIME The amount of time the T OMS False 0 to input quality must be good 24d20h31m to cause the Quality Not 23s647ms Good alarm to clear S_DISABLE_ON_OOS BOOL When set to TRUE the False False block is disabled if OOS is also TRUE 2 54 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 8 DALM_AFB 2 8 1 DALM_AFB Discrete Alarm Function Block Name DALM_AFB Function Block Number FB504 Function The Discrete Alarm Function Block DALM_AFB is intended for detecting and signaling abnormal discrete data values This block is used to detect the discrete states TRUE or FALSE of up to eight inputs When an alarm state is detected an ALM output value and the corresponding NAK output value are set to TRUE Once the alarm has been acknowledged the NAK output value is set to FALSE A given ALM output value
228. n the limit for the Low Deviation alarm to clear 0 5 True LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T OMS False 0 to 24d20h31m23 s647ms LD_DELAYOUT TIME The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m23 s647ms AD_LIM REAL The value in engineering units to which ABS PV DEV is compared for the Absolute Deviation alarm 100 True AD_DB REAL The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm T OMS False 0 to 24d20h31m23 s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 73 Library Function Blocks Name AD_DELAYOUT Data Type TIME Explanation The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear Initial T OMS oc False Valid Values 0 to 24d20h31m23 s647ms HH_LIM REAL The value in engineering units to which the PV input is compared for the High High alarm True HH_DB REAL The amount of engineering units by
229. nd FAIL for the output and failure status of the valve respectively Alarms are provided for the following conditions e Failure to open or loss of open verify e Failure to close or loss of close verify e Uncommanded close open or rejected command due to interlock e Failed limit switch Open and close verify inputs are set The latched fail state of the VALVE_A block is unlatched automatically when the alarm is acknowledged The valve circuit contains apart from the valve block two digital input drivers and one digital output driver Interconnections Simulation The signal for the feedback open closed must be connected to the VALUE inputs of blocks FB_OPEN and FB_CLOSED via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for the valve to be controlled If there is no feedback the simulation can be switched on at driver blocks FB_OPEN and FB_CLOSED SIM_ON 1 A connection is provided from the VALVE output OUT to a TIMER_P delay block SIMULATION IO input The SIMULATION QO output is connected to the input SIM_I of block FB_OPEN It is also connected to input SIM_ of block FB_CLOSED after being inverted Simulation of valve limit switches is accomplished by delaying VALVE block s OUT signal Note than the TIMEO parameter should be less than VALVE s OPEN_T and CLOS_T parameters Parameter Assignment Configure the following parameters for your application
230. neering units by which PV DEV must be within the limit for the High Deviation alarm to clear H_DEV _DELAYIN TIME The amount of time T Od0hOm0sOms False the input must reach or exceed the High Deviation limit to trip an alarm H_DEV_DELAYOUT TIME High Deviation T 0d0hOm0sOms False Alarm Delay Out input It is the amount of time the input must be within the H_DEV_LIMIT value and H_DEV_DEADBAN D value to cause the alarm to clear L_DEV_LIMIT REAL The value in 0 True engineering units to which DEV PV is compared for the Low Deviation alarm L_DEV_DEADBAND REAL The amount of 0 5 True engineering units by which DEV PV must be within the limit for the Low Deviation alarm to clear L_DEV _DELAYIN TIME The amount of time T Od0hOm0sOms False the input must reach or exceed the Low Deviation limit to trip an alarm PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 9 Library Function Blocks Name Data Explanation Initial OC amp M Valid Type Values L_DEV_DELAYOUT TIME The amount of time T Od0hOm0s0ms False the input must be within the Low Deviation limit and deadband to cause the alarm to clear A_DEV_LIMIT REAL The value in 0 True engineering units to which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear A_DEV_DEADBAND REAL The amount of 0 5 True engineering units
231. ng alarm parameters are new A1EN A1LIM A1DELAYIN A1DELAYOUT OOS DISABLE_ON_OOS These are needed to support the alarming functionality 2 84 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 12 MOTOR_A_ALM_AFB 2 12 1 MOTOR_A_ALM Motor with Alarm Function Block Name MOTOR_A_ALM_AFB compiled version of the Chart Function Block Number FB613 Chart Name MOTOR_A_ALM See also Template Chart MOTOR_A_ALM_AT usage example Function This block provides standard motor start stop equipment module functions similar to the MOTOR_1O0UT Device alarming functions are provided by this block This factory compiled block is an encapsulation of the MOTOR_A_AFB block with a discrete alarm block To provide thorough alarm reporting the alarm state value of the MOTOR_A_AFB block is used to create separate alarms for the following conditions e Failure to start or loss of proof e Failure to stop or unexpected proof e Uncommanded stop or rejected start command due to interlock The latched fail state of the MOTOR_A_AFB block is unlatched automatically when the alarm is acknowledged The parameters are generally identically to those of the MOTOR_A_AFB block See MOTOR_A_AFB for more details and a complete description of the functionality of this block Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB int
232. ng control True True When Track internal setpoint tracks PV PG REAL Proportional Gain 0 001 True 0 001 to 100 0 Tl REAL Time Integral Minutes per Reset 4000 True 0 0 to 4000 0 TD REAL Time Derivative Minutes 0 True 0 00 to 100 0 DG REAL Derivative Gain 10 True 2 00 to 20 00 DIR BOOL Reverse or Direct action False True ADAPTIVE _PG_INIT BOOL Adaptive Gain Init flag True False PV_EUMIN REAL Engineering unit Input Low 0 True PV_EUMAX REAL Engineering unit Input High 100 True VL_EUMIN REAL Engineering unit Output Low 0 True VL_EUMAX REAL Engineering unit Output High 100 True VL REAL Computer Output typically 0 True written to by an operator command VLL REAL OUT low limit input 3 3 True VLH REAL OUT high limit input 103 3 True H_LIM REAL The value in engineering units 100 True to which the PV input is compared for the High alarm H_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the High alarm to clear H_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the High 24d20h31m limit to trip an alarm 23s647ms 2 112 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name H_DELAYOUT Data Type TIME Explanation The amount of time the input must be within the High limit and deadband to cause the alarm to clear Initial T OMS Oc amp M False Valid Values 0 to 24
233. nge False True Alarm QUAL_EN BOOL Enable Quality Not Good False True Alarm HH_EN BOOL Enable High High Alarm False True LL_EN BOOL Enable Low Low Alarm False True IR_EN BOOL Enable Increasing Rate of False True Change Alarm DR_EN BOOL Enable Decreasing Rate of False True Change Alarm AR_EN BOOL Enable Absolute Rate of False True Change Alarm OOS BOOL Out of Service indicator False True QBAD BOOL Bad quality indicator False False EV_ID DWORD Event ID DW 16 False 5 EV_ID2 DWORD Event ID DW 16 False 6 SAMPLE_T REAL Scan Rate Use only 0 1 False when compiling CFC as block type RSTRT_AUTO_FLAG BOOL Default Retain on WS True False Use load value on CS Force Use RSTRT_AUTO_VALUE on restart RSTRT_AUTO_ VALUE BOOL Init restart value for Auto False False Mode if RSTRT_AUTO_FLAG true 2 134 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name RSTRT_EXT_FLAG Data Type BOOL Explanation Default Retain on WS Use load value on CS Force Use RSTRT_EXT_VALUE on restart Initial True Ooc amp M Valid Values False RSTRT_EXT_VALUE BOOL Init restart value for EXTernal if RSTRT_EXT_FLAG true False False RSTRT_SP_FLAG BOOL Default Retain on WS Use load value on CS Force Use RSTRT_SP_VALUE on restart False False RSTRT_SP_VALUE REAL Init restart value for SP i
234. ning in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the SP parameter to a specified value on a restart set the RSTRT_SP_FLAG to true Force SP and configure RSTRT_SP_VALUE with the desired forced value The RSTRT_SP_VALUE will be used to initialize SP if and only if the RSTRT_SP_FLAG is true and the block restarts in Auto mode AUTO Auto If RSTRT_SP_FLAG is set to false Default the SP parameter will be set in accordance with default PCS 7 behavior To force the EXT parameter to a specified value on a restart set the RSTRT_EXT_FLAG to true Force EXT and configure RSTRT_EXT_VALUE with the desired forced value Internal or External The RSTRT_EXT_VALUE will be used to initialize EXT if and only if the RSTRT_EXT_FLAG is true If PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks RSTRT_EXT_FLAG is set to false Default the EXT parameter will be set in accordance with d
235. nnected to the VALUE input of block FB_OPEN via symbolic addressing The signal for the closed feedback must be connected to the VALUE input of block FB_CLOSED via symbolic addressing The VALUE output of the OUTPUT block must be connected via symbolic addressing to the signal for of the VALVE to be controlled If there is no feedback the simulation can be switched on at driver blocks FB_OPEN and FB_CLOSED SIM_ON 1 A connection is provided from the VALVE output OUT to a TIMER_P delay block SIMULATION IO input The SIMULATION QO output is connected to the input SIM_I of block FB_OPEN It is also connected to input SIM_I of block FB_CLOSED after being inverted Simulation of valve limit switches is accomplished by delaying the VALVE block s OUT signal Note than the TIMEO parameter should be less than VALVE s TRAV_T and CLOS_T parameter Parameter Assignment Faults See also Configure the following parameters for your application e To set the VALVE block s maximum allowed time to open and close set the parameter TRAV_T of the VALVE block e Interlock Channel faults are detected by the input and output drivers BLK_VLV_10UT_AFB PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 3 Template Charts 3 3 BLK_VLV_20UT_AT This template can be used as a block valve open close with an open output and a close output It is designed for a valve with auto manual operation pulse commands and interlocking An a
236. nput cause the initialization equation to be performed P_TSP REAL SP target value for 0 True SP ramping P_H_EN BOOL Enable primary True True High Alarm P_L_EN BOOL Enable primary True True Low Alarm PCS 7 APACS ES Library User s Guide for V6 1 2 38 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values P_HD_EN BOOL Enable primary False True High Deviation Alarm P_LD_EN BOOL Enable primary False True Low Deviation Alarm P_AD_EN BOOL Enable primary True True Absolute Deviation Alarm P_OOR_EN BOOL Enable primary False True Out of Range Alarm P_QUAL_EN BOOL Enable primary False True Quality Not Good Alarm P_HH_EN BOOL Enable primary False True High High Alarm P_LL_EN BOOL Enable primary False True Low Low Alarm P_IR_EN BOOL Enable primary False True Increasing Rate of Change Alarm P_DR_EN BOOL Enable primary False True Decreasing Rate of Change Alarm P_AR_EN BOOL Enable primary False True Absolute Rate of Change Alarm P_OOS BOOL Primary Out of False True Service indicator P_QBAD BOOL Bad quality False False indicator EV_ID DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID2 DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID3 DWORD Event ID Compiler False generated for the type or N A if used as chart EV_ID4 DWO
237. nterrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 97 Library Function Blocks Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO _FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flag and configure the associate restart value to ensure a known restart state The STRT_O and STOP_O outputs will be automatically cleared on a restart If restart pa
238. o which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 85 Library Function Blocks RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false Default the O
239. ompared for alarms False False ALARM8_DELAYIN TIME The amount of time the input must remain at the limit to trip alarms T 0d0hOm0sOms False ALARM8_DELAYOUT TIME The amount of time the input must remain not at the limit to cause alarm8 to clear T 0d0hOm0sOms False DISABLE_ON_OOS BOOL When set to TRUE the block is disabled if OOS is also TRUE False Note This list differs from the softlist parameters of the DALM_AFB block in APACS as follows e The PCS 7 OS provides a ringback mechanism so the ringback parameters have been removed e There are now eight LIMIT DELAYIN and DELAYOUT parameters 2 60 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 9 DISCRETE_ALM_AFB 2 9 1 DISCRETE_ALM_AFB Function Block Name DISCRETE_ALM_AFB compiled version of the Chart Function Block Number FB604 Chart Name DISCRETE_ALM See also Template Chart DISCRETE_ALM_AT usage example Function The Discrete Alarm DISCRETE_ALM_AFB block is a factory compiled function block It is intended for use as a discrete indicator with alarm The ALARM output provides the alarm status of the block The block signals an alarm on the HMI when the discrete input DIN is in an undesired state Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into whic
240. onfigure RSTRT_EXT_VALUE with the desired forced value Internal or External The RSTRT_EXT_VALUE will be used to initialize EXT if and only if the RSTRT_EXT_FLAG is true If RSTRT_EXT_FLAG is set to false Default the EXT parameter will be set in accordance with default PCS 7 behavior Forcing the EXT parameter to External will cause the SP to be set to the ESP thereby overriding the SP restart parameter settings To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true and the block restarts in Manual mode AUTO Manual If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter valu
241. ontrol circuit The PRIMARY_AFB block is designed to be used with the SECONDARY_AFB block to form a cascade circuit when it is preferable to control the primary and secondary loops separately Normally the output from the primary loop is to be the setpoint to the secondary loop and the cascade status of the secondary loop is to be fed to the primary loop High and low alarms are provided for the process variable and an alarm is provided for absolute deviation between process variable and setpoint Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to 0 0 on a CPU restart SP will be set in accordance with default PCS 7 behavior To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual
242. ontrol loop that contains SETPNT_AFB PID_AFB and AM_AFB blocks along with alarming logic The SETPOINT block supplies the setpoint SP to the CONTROLLER block The SETPOINT block has a ramping feature for auto mode The setpoint tracks the process variable PV in manual mode AUTO FALSE The CONTROLLER block is a PID_AFB block It operates in auto mode AUTO TRUE and tracks the downstream output OUT in manual mode AUTO FALSE The AUTO _MANUAL block provides manual control of the output In auto mode the CONTROLLER block output becomes the loop output OUT In manual mode the AUTO_MANUAL block internal output IOUT becomes the loop output Calling OBs and Start up 2 148 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO SP and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to 0 0 on a CPU restart SP will be set in accordance with default PCS 7 behavior To force the AUTO parameter
243. or the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 25 Library Function Blocks Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message Message Class Default Message Text 1 PLC Process Control Message Valve Feedback Failure Failure BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d STEP_NO 2 5 1 1 BLK_VLV_10UT_AFB Input Output Input Name Data Type Explanation Initial OC amp M Valid Values OP_VER BOOL OP_VER f
244. ose open or rejected command due to interlock e Failed limit switch Open and close verify inputs are set The latched fail state of the VALVE_A_AFB block is unlatched automatically when the alarm is acknowledged The parameters are generally identical to those of the VALVE_A_AFB block See VALVE_A_AFB for more details and a complete description of the functionality of this block Calling OBs and Start up Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 171 Library Function Blocks To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if t
245. r 0 5 True LD_DELAYIN TIME The amount of time the input must reach or exceed the Low Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 139 Library Function Blocks Name LD_DELAYOUT Data Type TIME Explanation The amount of time the input must be within the Low Deviation limit and deadband to cause the alarm to clear Initial T OMS Oc amp M False Valid Values 0 to 24d20h31m 23s647ms AD_LIM REAL The value in engineering units to which ABS PV DEV is compared for the Absolute Deviation alarm 100 True AD_DB REAL The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms AD_DELAYOUT TIME The amount of time the input must be within the Absolute Deviation limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms HH_LIM REAL The value in engineering units to which the PV input is compared for the High High alarm True HH_DB REAL The amount of engineering units by which PV must be within the limit fo
246. r s Guide for V6 1 A5E00595270 01 Library Function Blocks commands when the POS_TRANS_ACLSE is FALSE the AUTO_TRANS_REQ value can be set FALSE The A_OPEN input with the same value on the A_CLSE input is used as the desired state of the valve TRUE open FALSE closed There are many permissive interlock features built into this block The PERMIT input if configured must be TRUE to permit any open command or close command if fail open to take effect The block has 10 interlock inputs INTO1 INT10 but only the first two are visible by default All of the configured interlock inputs must be TRUE for the valve to change to the non fail safe state the INTRLK Interlock value indicates whether all configured interlock inputs are TRUE The OVERRD Override value represents the override status when TRUE any FALSE interlocks or permit are overridden the INTRLK value is set TRUE and the valve is allowed to leave the fail safe state OVERRD may be enabled by a tag write from outside the block For display at an HMI there are In Out values that hold descriptors for the permit PERMIT and the interlock INT01 INT10 inputs This block contains failure checking features that set the FAIL output value to TRUE when a problem is detected The detected problems include e Failure to open before the OPEN_T has expired e Failure to close before the CLOS_T has expired e Loss of verify EUNAVAILABLE data quality or FALSE e Uncomm
247. r the High High alarm to clear 0 5 True HH_DELAYIN TIME The amount of time the input must reach or exceed the High High limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms HH_DELAYOUT TIME The amount of time the input must be within the High High limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms LL_LIM REAL The value in engineering units to which the PV input is compared for the Low Low alarm True LL_DB REAL The amount of engineering units by which PV must be within the limit for the Low Low alarm to clear 0 5 True LL_DELAYIN TIME The amount of time the input must reach or exceed the Low Low limit to trip an alarm T OMS False 0 to 24d20h31m 23s647ms LL_DELAYOUT TIME The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m 23s647ms 2 140 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name IR_LIM Data Type REAL Explanation The value in engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm Initial Oc amp M True Valid Values IR_DB REAL The amount of engineering units by which PV must be within the limit for the Increasing Rat
248. rameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm Message Message Class Default Message Text 1 PLC Process Control Message Failure Motor Feedback Failure BlockComment PCS 7 APACS ES Library User s Guide for V6 1 2 98 A5E00595270 01 Library Function Blocks Assignment of auxiliary process values to the block parameters 2 14 1 1 Input Value 1 s Block Parameter BA_NA 2 d BA_ID 3 d STEP_NO MOTOR_2O0UT_AFB Input Output Name PROOF Data Type BOOL Explanation PROOF is used as feedback to confirm that the motor is running Initial False Ooc amp M True Valid Values A_
249. reach or exceed the Low Low limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms LL_DELAYOUT TIME The amount of time the input must be within the Low Low limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms IR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Increasing Rate of Change alarm True 2 168 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name IR_DB Data Type REAL Explanation The amount of engineering units by which PV must be within the limit for the Increasing Rate of Change alarm to clear Initial 0 5 oc amp M True Valid Values IR_DELAYIN TIME The amount of time the input must reach or exceed the Increasing Rate of Change limit to trip an alarm T OMS False 0 to 24d20h31m2 3s647ms IR_DELAYOUT TIME The amount of time the input must be within the Increasing Rate of Change limit and deadband to cause the alarm to clear T OMS False 0 to 24d20h31m2 3s647ms DR_LIM REAL The value in engineering units per minute to which the PV input is compared for the Decreasing Rate of Change alarm True DR_DB REAL The amount of engineering units by which PV must be within the limit for the Decreasing Rate of Change alarm to clear
250. restart RSTRT_EXT_VALUE BOOL Init restart value on restart False False RSTRT_SP_FLAG BOOL Default Retain on WS Use load False False valon CS Force Use RSTRT_SP_VALUE on start RSTRT_SP_VALUE REAL Init restart value for SP if 0 False RSTRT_SP_FLAG true and Auto mode Note This list differs from the inputs of the SETPNT_AFB block in APACS as follows e New parameters were added for restart functionality e AUTO and RAMP have been moved from input to input output Output Name Data Type Explanation Initial OC amp M Valid Values SP REAL Calculated setpoint value 0 False ISP REAL Internal setpoint value 0 False LL BOOL Low Limit False False HL BOOL High Limit False False HOLD BOOL Ramping mode flag False False T ramping F held 2 146 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Note This list differs from the outputs of the SETPNT_AFB block in APACS as follows e RTIME has been moved from output to input output Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL Auto manual mode control False False EXTRNL BOOL External internal mode control False False CSP REAL Computer Setpoint 0 True RAMP BOOL Setpoint is ranping when True False True RTIME TIME Ramp Time Oms True SLIST_SP REAL Internal setpoin
251. ri QUALITY_NOT_GOOD BlockComment Control Message Failure EV_ID2 1 Alarm above Pri HIGH_ HIGH BlockComment Limit 4 F EV_ID2 2 Alarm below Pri LOW_ LOW BlockComment Limit 5 f 2 36 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks ALARM_8P ID Message Message Class Default Message Text EV_ID2 3 Warning Pri INC_ROC BlockComment Limit above 6 FI EV_ID2 4 Warning below Pri DEC_ROC BlockComment Limit 7 f EV_ID2 5 Warning Pri ABS_ROC BlockComment Limit above 8 F EV_ID3 1 Warning Sec HIGH BlockComment Limit above 4 f EV_ID3 2 Warning below Sec LOW BlockComment Limit 5 f EV_ID3 3 Alarm above Sec HIGH_DEV BlockComment Limit 6 F EV_ID3 4 Alarm below Sec LOW_DEV BlockComment Limit 7 f EV_ID3 5 Alarm above Sec ABSOLUTE_DEV BlockComment Limit 8 f EV_ID3 6 PLC Process Sec OUT_OF_RANGE BlockComment Control Message Failure EV_ID3 7 PLC Process Sec QUALITY_NOT_GOOD Control BlockComment Message Failure EV_ID4 1 Alarm above Sec HIGH_ HIGH BlockComment Limit 4 f EV_ID4 2 Alarm below Sec LOW_ LOW BlockComment Limit 5 f EV_ID4 3 Warning Sec INC_ROC BlockComment Limit above 6 I EV_ID4 4 Warning below Sec DEC_ROC BlockComment
252. rly adjusted derivative filtering and someone not familiar with derivative filtering could become convinced that the PCS 7 derivative action does not work and quickly abandon its use Another distinction between the two algorithms is how the output behaves on changes to setpoint APACS has essentially one equation configuration e derivative action only on PV yielding proportional and integral actions on SP changes However PCS 7 has a number of ways its equation can be configured for example e derivative action only on PV yielding proportional and integral actions on SP changes same as APACS e proportional action only on PV yielding integral and derivative actions on SP changes e proportional and derivative actions on PV yielding only integral action on SP changes In summary there are advantages and disadvantages to both controller algorithm implementations The decision of which controller to use is ultimately a matter of familiarity or personal preference PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 6 Customizing the Library These instructions describe customization of the source charts and files including compilation to create new block types and modifcation of the graphical elements The following procedures are detailed below e Create new block types e Modify graphical elements e Test the changes PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 6 1 Customizing the Libra
253. rmed Note The APACS list only includes the DI input Other inputs are hidden from view so that from a user perspective the DISCRETE_ALM_AFB looks like its APACS counterpart The DI input was changed to DIN for compatibility with the HMI 2 62 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Output Name Data Type Explanation Initial OC amp M Valid Values ALARM BOOL Alarm 1 False False Input output Name Data Explanation Initial OC amp M Valid Type Values LIM BOOL Alarm Limit False True DELAYIN TIME Into Alarm Delay Time T Od0hOm0sOms_ False DELAYOUT TIME Out of Alarm Delay T Od0hOm0sOms False Time DISABLE_ON_OOS BOOL Disable on Out of False False Service PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 63 Library Function Blocks 2 10 2 10 1 Function EXT_SET_AFB EXT_SET External Setpoint Controller Function Block Name EXT_SET_AFB compiled version of the Chart Function Block Number FB605 Chart Name EXT_SET See also Template Chart EXT_SET_AT usage example The External Setpoint Controller EXT_SET_AFB block is a factory compiled function block It is intended for use as an external set PID controller with tracking setpoint High and low alarms are provided for the process variable Another alarm is provided to detec
254. rom the primary loop becomes the secondary controller setpoint and the SEC_SETPOINT block internal setpoint ISP tracks the external setpoint thereby ensuring no change in setpoint during transition to secondary mode The setpoint tracks the secondary process variable S_PV in manual mode AUTO FALSE The SEC_CONTROLLER block is a PID_AFB block it operates in auto mode AUTO TRUE and tracks the downstream output OUT in manual mode AUTO FALSE The SEC_AUTO_ MANUAL block provides manual control of the output In auto mode the SEC_CONTROLLER block output becomes the loop output OUT In manual mode the SEC_AUTO_MANUAL block internal output IOUT becomes the loop output Calling OBs and Start up 2 34 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB102 is called and parameters are initialized with the last downloaded values The warm and cold startup behavior of AUTO P_SP S_SP CASC and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual
255. ry Create new block types Procedure Example 1 From SIMATIC Manager copy the Library 1 From the SIMATIC Manager main menu select File gt Open The Open Project dialog box appears Click the Libraries tab and select APACS Library From the main menu select File gt Save As New APACS Library Open the Plant View of the Library From the main menu select View gt Plant View Copy the source chart to be modified In the Source Charts Control hierarchy folder copy and paste SINGLE_LOOP Rename the copy to NewSINGLE_LOOP Make the necessary modifications Add Message Error and Message Status outputs to Type a Double click NewSINGLE_LOOP to open it b Select the ALARM block on the chart Right click to edit the Object Properties 2 d From the Properties dialog box click the Inputs Outputs tab e Uncheck the Invisible Check Box for the following Names e MSG1_ERR e MSG1_STAT e MSG2_ERR e MSG2_STAT f Click OK g From the main menu select View gt Chart Inputs Outputs The Chart I O window for the NewSINGLE_LOOP appears Click the OUT folder object In the right hand pane scroll to the bottom h Click the ALARM block in the chart window Select each of the newly visible parameters MSG1_ERR and drag drop to the last line of the Chart I O OUT list window i For each of the newly inserted parameters right click the parameter object in the Chart I O l
256. s Range alarm OOR_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the limits 24d20h31m2 EINH EINL to cause the Out 3s647ms of Range alarm to clear QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip the 24d20h31m2 Quality Not Good alarm 3s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to cause 24d20h31m2 the Quality Not Good alarm to 3s647ms clear DISABLE_ON_OOS BOOL When set to TRUE the block False False 2 170 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks 2 22 2 22 1 Function VALVE_A_ALM_AFB VALVE_A_ALM Valve with Alarm Function Block Name VALVE_A_ALM_AFB compiled version of the Chart Function Block Number FB614 Chart Name VALVE_A_ALM See also Template Chart VALVE_A_ALM_AT usage example This block provides standard valve open close equipment module functions similar to the BLK_VLV_1OUT Device alarming functions are provided by this block This factory compiled block is an encapsulation of the VALVE_A_AFB block with a 4 element discrete alarm block To provide thorough alarm reporting the alarm state value of the VALVE_A_AFB block is used to create separate alarms for the following conditions e Failure to open or loss of open verify e Failure to close or loss of close verify e Uncommanded cl
257. se Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Use Forced for the restart flag and configure the associated restart value to ensure a known restart state PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant There is no associated faceplate for this block 2 3 1 1 AM_AFB Input Output Input Name Data Explanation Initial OC amp M Valid Type Values IN REAL Input variable Generally this 0 False input should be the PID function block s output in a simple single loop control application AUTO BOOL Auto Mode input False False EXTV REAL External Variable input 0 False STNDBY BOOL Standby Mode input False False R
258. se False PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 89 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values FAIL BOOL Indicates whether motor has False True fault condition AUTO BOOL Auto mode output False True OVERRD BOOL Override output False True START BOOL Start command value for manual False True mode STOP BOOL Stop command value for manual False True mode STRT_T TIME Maximum time required to start T 10S True the motor STOP_T TIME Maximum time required to stop T 10S True the motor AUTO_TRACK BOOL If true block is set to auto mode False False when SFC transitions to AUTO MODE_HOLD_AUTO BOOL Indicates whether block held in False False auto mode ACCEPT_ANY_AUTO BOOL When true block is set to auto False False when A_S TRT or A_STOP changes state POS_TRANS_ASTOP BOOL Indicates whether a positive False False transition is required to stop the motor AUTO_TRANS_REQ BOOL When true the A_STRT and False False A_STOP inputs need to change state to issue start stop FAIL_ON_INTRLK BOOL Fail on interlock True False FAIL_ON_STRT_CMD BOOL Fail on start command True False A1LIM BOOL Alarm 1 Limit True False A1DELAYIN TIME Into Alarm 1 Delay Time THOMS False 0 to 24d20h3 1m23s64 7ms A1DELAYOUT TIME Out of Alarm 1 Delay Time THOMS False 0 to 24d2
259. siii isidet uaiseisciorratissn 2 22 VALVE_A_ALM_AFB seesseeeeeeseseeiireesrtsirtesrtstitntsttntnsinnntnrnnernnsennnnt 2 23 VALVE A ABB sexcceceseasscsesenccnadeasecsnacegenesiescanescetesnectectdcsutennducotisastuencessast Template Charts 3 1 ANALOG ALMA Toscccccssicecccethasihadons sateasie cvaiessbedoatae ee voateubeds Sletesdecteedeuneecesed 3 2 BLK VLLV TOUT AT oporana onea ceeded decease eedeneedess 3 3 BLK VLIV 20UT AT onoriano antiaeri rre aaiae apar aa 3 4 CASCADE Afii eraa e a a E e a a E Raa 3 5 DISCRETE ALM AQ cicccccssstecsecneadeceasscecs cndessbcvenddeseedanncebeat cass r esra EnS 3 6 EXI SET AU eao e E aea a aa Aa Te EES 3 7 MOTOR_A_ALM_AT cccccecceeeeeeeeeeceneeeeeaeeeeeaaeeeeeaaeeeeseeeeeeeeneeeeeneeeeeeeees 3 8 MOTOR TOUT A erensia no ea E aaen asar SESER Ekes 3 9 MOTOR 20UT AT ooo sceccecceeeeeeceeneeeceneeeeeeeaeeeeeeeaeeeseaeeeeeneaeeeseeeeeeeeeeeeeeeees 3 10 PRIMARY_SECONDARY_AT ecccceeeeeceeeeeeeeeeeeeeeeeeeeeeeeeeeeseeeeeeeeeeeeeteees 3 11 RATO SET AA a ee Sate A a aE a AAE a ussntesh E EEE EATE 3 12 SINGLE LOOP Afia aen oean e E AEE Eae Ea aaO ESA Naa 3 13 SINGLE EP SS A Teiresias inir eerd aee anisan ORAE paa RENA Se 3 14 VALVE_A_ALM_AT ii eeccceeceecceeeeeneeeeeeeeeeeeeeeeeeeeeeeeeseaeeeeeeeeeeeeeeneeeeeeeeeeenee Message class Differences between APACS and PCS 7 5 1 General DifferenCe sessiyasi ei eian n inr irin Tia E ELi ENAN EENET 5 2 Alarm Differences ssciscksccisieac tecesseis ti
260. st that the valve False False close ALARM BOOL ALARM is used to signal internal logic False False when the Valve is in alarm FAIL BOOL FAIL signals if the valve failed to open or False True close after an OPEN or CLOSE request TRANS BOOL TRANS signals that the valve is in False True transition i e OP_VER CL_VER both false OUT BOOL OUT is used to let the OS see the False True internal OPEN_LATCH coil 2 32 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Input output Name Data Explanation Initial OC amp M Valid Type Values AUTO BOOL AUTO select auto mode uses False True A_OPEN A_CLSE vs manual mode uses OPEN CLOSE A1EN BOOL A1EN is used to enable disable True True the internal alarm A1LIM BOOL Alarm 1 limit True False A1DELAYIN TIME Into alarm 1 delay time THOMS False 0 to 24d20h31m 23s647ms A1DELAYOUT TIME Out of alarm 1 delay time THOMS False 0 to 24d20h31m 23s647ms OOS BOOL OOS indicates that the internal False True alarm is Out of Service DISABLE_ON_OOS BOOL Indicates that the internal alarmis False False Out of Service OPEN BOOL OPEN opens the valve w hen in False True Manual mode AUTO false CLOSE BOOL Closes the valve when in Manual False True mode AUTO false TRAV_T TIME TRAV_T sets time limit for T 10S True confirmation of open close request PCS 7 APACS ES Libr
261. state When in auto mode the positive transition of A STOP POS_TRANS_ASTOP value determines the function of the A_STRT and A_STOP inputs If the POS_TRANS_ASTOP is TRUE the commands need to be FALSE to TRUE transitions for both the A_STRT and A_STOP inputs Unlike the START and STOP command values the A_LSTRT and A_STOP input values must be reset external to the block If POS_TRANS_ASTOP value is FALSE the same value should be placed on both the A_STRT and A_STOP inputs so that a FALSE to TRUE transition sends a start command and a TRUE to FALSE transition sends a stop command To avoid the need to generate such a transition for these commands when POS_TRANS_ASTOP is FALSE the AUTO_TRANS_REQ value can be set FALSE The A_STRT input with the same value on the A_STOP input is used as the desired state of the motor TRUE running FALSE stop PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks There are many permissive interlock features built into this block The PERMIT input if configured must be TRUE to permit any start command to take effect The block has 11 interlock inputs INTO1 INT11 but only the first two are visible by default All of the configured interlock inputs must be TRUE for the motor to start or remain running the INTRLK Interlock output value indicates whether all configured interlock inputs are TRUE The OVERRD Override value represents the override status when TRU
262. t Name Data Type Explanation Initial OC amp M Valid Values PV REAL Process Variable 0 True RAT_INP REAL External Input 0 True Ratio thereof sets loop s setpoint TSP REAL SP target value for 0 True SP ramping H_EN BOOL Enable High Alarm True True L_EN BOOL Enable Low Alarm True True HD_EN BOOL Enable High False True Deviation Alarm LD_EN BOOL Enable Low False True Deviation Alarm AD_EN BOOL Enable Absolute True True Deviation Alarm OOR_EN BOOL Enable Out of False True Range Alarm QUAL_EN BOOL Enable Quality Not False True Good Alarm HH_EN BOOL Enable High High False True Alarm LL_EN BOOL Enable Low Low False True Alarm IR_EN BOOL Enable Increasing False True Rate of Change Alarm DR_EN BOOL Enable Decreasing False True Rate of Change Alarm AR_EN BOOL Enable Absolute False True Rate of Change Alarm OOS BOOL Out of Service False True indicator QBAD BOOL Bad quality indicator False False EV_ID DWORD Event ID DW 16 5 False EV_ID2 DWORD Event ID DW 16 6 False SAMPLE_T REAL Current scan rate 0 1 False supplied by OS RSTRT_AUTO_FLAG BOOL Default Retain on True False WS Use load value on CS Force Use RSTRT_AUTO_VAL UE on restart PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 121 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values RSTRT_AUTO_VALUE BOOL Init restart value for False False Auto Mode if RSTRT_AUTO_FLA G true RSTRT_EXT_FLAG BOOL Default Retain on True
263. t for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed offline the configuration must be compiled changes only and downloaded changes only to the controller in order for the settings to take effect upon restart If restart parameter values are changed online via CFC Test mode the configuration must be compiled entire program and downloaded entire program to the controller in order for the settings to take effect upon cold restart This step is not necessary for the online changes to take effect upon a warm restart Operator Control and Monitoring M amp C Relevant See Faceplate Information Message Characteristics Assignment of message texts and message class to the block parameters Note During runtime the string BlockComment will be replaced by the comment for the FB instance that is in alarm PCS 7 APACS ES Library User s Guide for V6 1 2 106 A5E00595270 01 Library Function Blocks ALARM_8PID Message Message Class Default Message Text EV_ID 1 Warning above HIGH BlockComment Limit 4 EV_ID 2 Warning below LOW BlockComment Limit 5 EV_ID 3 Alarm above HIGH_DEV BlockComment Limit 6 F EV_ID 4 Alarm below LOW_
264. t 0 False LOLIM REAL Lower allowable limit of setpoint 100 0 True HILIM REAL Upper allowable limit of setpoint 0 True RRATE REAL Ramp rate in eng Units min 0 True USE_RRATE_SW BOOL Selects Ramp Rate or Ramp Time False True as the basis for computing ramping speed PVTRK BOOL From APACS Help File True True ESPTRK BOOL From APACS Help File True False AUTO_RSTRT BOOL Loads AUTO Value up on Restart False False Note This list differs from the softlist parameters of the SETPNT_AFB block in APACS as follows e AUTO and RAMP have been moved from input to input output e RTIME has been moved from output to input output PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 147 Library Function Blocks 2 20 2 20 1 Function SINGLE_LOOP_AFB SINGLE_LOOP_AFB Function Block Name SINGLE_LOOP_AFB compiled version of the Chart Function Block Number FB611 Chart Name SINGLE_LOOP See also Template Chart SINGLE_LOOP_AT usage example The Single Loop Controller SINGLE_LOOP_AFB block is a factory compiled function block It is intended for use as a single loop PID controller with a tracking setpoint Both high and low alarms are provided for the process variable Another alarm is provided to detect an absolute deviation between the process variable and setpoint SINGLE_LOOP_AFB is a compiled version of the SINGLE_LOOP source chart Within the chart there is a c
265. t absolute deviation between the process variable and setpoint EXT_SET_AFB is a compiled version of the EXT_SET source chart Within the chart there is a control loop that contains SETPNT_AFB PID_AFB and AM_AFB blocks along with alarming logic The SETPOINT block supplies the setpoint SP_OUT to the CONTROLLER block The SETPOINT block has a ramping feature for internal mode EXT FALSE In external mode EXT TRUE the external setpoint ESP becomes the controller setpoint and the SETPOINT block s internal setpoint ISP tracks the external setpoint thereby ensuring no change in setpoint during transition to internal mode The setpoint tracks the process variable PV in manual mode AUTO FALSE The CONTROLLER block is a PID block It operates in auto mode AUTO TRUE and tracks the downstream output OUT in manual mode AUTO FALSE The AUTO_MANUAL block provides manual control of the output In auto mode the CONTROLLER block output becomes the loop output OUT In manual mode the AUTO_MANUAL block internal output IOUT becomes the loop output Calling OBs and Start up 2 64 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics Start up Characteristics On a warm restart OB100 is called and parameters retain the values they had immediately before the restart On a cold restart OB1
266. tartup behavior of AUTO and OUT is configurable allowing the user to override the default PCS 7 behavior described above if necessary As delivered AUTO will be forced to Manual and OUT will be forced to False on a CPU restart To force the AUTO parameter to a specified value on a restart set the RSTRT_AUTO_FLAG to true Force AUTO and configure RSTRT_AUTO_VALUE with the desired forced value Auto or Manual The RSTRT_AUTO_VALUE will be used to initialize AUTO if and only if the RSTRT_AUTO_FLAG is true If RSTRT_AUTO_FLAG is set to false Default the AUTO parameter will be set in accordance with default PCS 7 behavior To force the OUT parameter to a specified value on a restart set the RSTRT_OUT_FLAG to true Force OUT and configure RSTRT_OUT_VALUE with the desired forced value True or False The RSTRT_OUT_VALUE will be used to initialize OUT if and only if the RSTRT_OUT_FLAG is true If RSTRT_OUT_FLAG is set to false Default the OUT parameter will be set in accordance with default PCS 7 behavior Warning Using Default for the RSTRT_OUT_FLAG could result in your output device retaining its last operating state after a restart Similarly using Default for the RSTRT_AUTO_FLAG could result in your process running in automatic mode after a restart Use Forced for the restart flags and configure the associated restart values to ensure a known restart state If restart parameter values are changed off
267. ted during read back and displayed after completion You can always view this log via the Options gt Logs gt Tab Read Back menu command The log entries indicate I Os read back and modified Where problems occurred PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 5 3 Differences between APACS and PCS 7 Batch Parameters The SIMATIC Batch parameters are BA_EN Batch enabled OCCUPIED Occupied by batch BA_NA Batch name BA_ID Batch ID number STEP_NO Batch step number The batch parameters have been added as inputs to most of the control blocks for support of batch operations A future Batch View faceplate or a customized faceplate may display the values in the HMI corresponding to these parameters The current values of BA_NA BA_ID and STEP_NO are available for transmitting in alarm messages to the HMI so that these values may be displayed and logged DecimalPlaces Input parameters DecimalPlacesPV DecimalPlacesOUT etc have been added to loop control blocks to allow specifying the number of decimal places to display on the block s faceplate in the HMI The range is 0 to 6 with a default value of 2 ConfirmChange The ConfirmChange input flag is added to most of the library blocks to control operator changes in the HMI The default value is FALSE but this may be re configured for any desired block instance If ConfirmChange is FALSE default e Operator changes are one step no further confirma
268. th the block icons 12 Verify that your icon appears on the plant picture 13 Click on the icon to open the faceplate 14 Verify the new fields are on the faceplate 15 Open the Loop display 16 Verify the correct name of the type which appears below the title bar PCS 7 APACS ES Library User s Guide for V6 1 6 6 A5E00595270 01 7 Performance Data The column headings for the performance data table have the following meanings Block Type Name The symbolic identifier in the symbol table of the library for the respective FB or FC FB No Block number Typical run time The time which the CPU needs to process the corresponding block program under normal circumstances for example for a driver this is the execution time in the watchdog interrupt OB without message generation in the event of channel errors The following table shows the block data for blocks ina CPU S7 416 3 DP 6ES7 416 3XL00 0ABO With other CPUs the run time depends on their performance Block length Memory requirements of the program code once for every block type Instance data length Memory requirement of an instance DB Temporary memory The local data memory required in a priority class when the block is called This is limited to the CPU specifically When it is exceeded a CPU STOP is caused You have to check it in the CPU configuration and if necessary distribute it amongst the priority classes Obs to meet the real requirements
269. tion is required e all choices that are two state such as Auto Manual will immediately toggle to the other state e Increase Decrease buttons will be visible and may be used by operator for quick changes of analog values when appropriate e g changing SP when in Auto mode If ConfirmChange is TRUE e Operator changes are two step further confirmation is required Usually an input panel will pop up where operator may select a value and click OK e all choices including two state choices require confirmation e Increase Decrease buttons will be invisible Note that in both cases all operator changes are sent to the Operation List log PCS 7 APACS ES Library User s Guide for V6 1 5 4 A5E00595270 01 Differences between APACS and PCS 7 Operator or Program control of important loop variables Often there is a need for a program for example a Batch program to take control of one or more important loop variables such as SP OUT Auto Manual etc At these times the operator in the HMI should not be able to control the variables in order to avoid conflict In APACS programs the SET_VAL block could be used by a program to write to a variable and then return control of the same variable to the operator Instead the New ES Library uses the PCS 7 technique of selecting between Link i e a linked connection to a block in the program and Operator the operator in the HMI New parameters beginning with LIOP_ can b
270. to clear QUAL_DELAYIN TIME The amount of time the input THOMS False 0 to quality must be bad to trip the 24d20h31m2 Quality Not Good alarm 3s647ms QUAL_DELAYOUT TIME The amount of time the input THOMS False 0 to quality must be good to cause 24d20h31m2 the Quality Not Good alarm to 3s647ms clear DISABLE_ON_OOS BOOL When set to TRUE the block is False False disabled if OOS is also TRUE PV_EUMIN REAL Engineering Input Low 0 True PV_EUMAX REAL Engineering Input High 100 True PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 23 Library Function Blocks 2 5 2 5 1 Function 2 24 BLK_VLV_10UT_AFB BLK_VLV_1OUT Block Valve with One Output Function Block Name BLK_VLV_10OUT_AFB compiled version of the Chart Function Block Number FB601 Chart Name BLK_VLV_10UT See also Template Chart BLK_VLV_10UT_AT usage example The Block Valve with One Output BLK_VLV_1OUT is intended for use as an open close block valve with one output It is designed for a normally closed valve with auto manual operation pulse commands and interlocking An alarm is provided for failure to reach the desired state The A_OPEN and A_CLSE inputs are intended to input command pulses from a sequence The parameter AUTO determines the source of the open close commands In auto mode AUTO TRUE the auto inputs A_OPEN and A_CLSE are active and in manual mode AUTO FALSE the parameters OPE
271. ts will be conveyed to the CONTROLLER s VL_EUMAX_OUT and VL_EUMIN_OUT outputs respectively As configured OUTPUT s upper limit UHRANGE and the OUTPUT s lower limit ULRANGE match the CONTROLLER s VL_EUMAX and VL_EUMIN respectively Configure the following parameters which are marked for IEA for your application e All tuning parameters PG TI TD and DG e All high low alarm and absolute deviation limits H_LIM L_LIM AD_LIM e Valve scaling units VL_EUMIN VL_EUMAX e Valve clamping limits VLH VLL Note that VLH cannot exceed 3 of span above VL_EUMAX and VLL cannot exceed 3 of span below VL_EUMIN e Setpoint limits SPH SPL PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 3 19 Template Charts Faults Channel faults are detected by the input and output drivers and are assigned to input QBAD of the CONTROLLER block An alarm message will then be posted if QUAL_EN is enabled See also SINGLE_LP_SS_AFB PCS 7 APACS ES Library User s Guide for V6 1 3 20 A5E00595270 01 Template Charts 3 14 VALVE_A_ALM_AT This template can be used to implement standard valve open close and device alarming functions The VALVE block is an encapsulation of the VALVE_A block with a 4 element discrete alarm block The VALVE block has inputs OP_VER CL_VER A_OPEN A_CLSE and INTO INT10 for the open verify close verify auto open command auto close command and ten separate interlocks and parameters OUT a
272. tween process variable and setpoint SECONDARY_AFB is a compiled version of the SECONDARY source chart Within the chart there is a control loop that contains SETPNT_AFB PID_AFB and AM_AFB blocks along with alarming logic The SETPOINT block supplies the setpoint SP to the CONTROLLER block The SETPOINT block has a ramping feature for internal mode EXT FALSE In external mode EXT TRUE the external setpoint ESP becomes the controller setpoint and the SETPOINT block internal setpoint ISP tracks the external setpoint thereby ensuring no change in setpoint during transition to internal mode The setpoint tracks the process variable PV in manual mode AUTO FALSE The CONTROLLER block is a PID_AFB block It operates in auto mode AUTO TRUE and tracks the downstream output OUT in manual mode AUTO FALSE The AUTO MANUAL block provides manual control of the output In auto mode the CONTROLLER block output becomes the loop output OUT In manual mode the AUTO_MANUAL block internal output IOUT becomes the loop output Calling OBs and Start up 2 130 Calling OBs This block is called in the watchdog interrupt OB into which the block is installed for example OB32 Additionally it is called in OB100 and in OB102 see Start up Characteristics PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Start up Characteristics On a warm restart OB100 is called and parameters retain the v
273. ue Low S_VL_EUMAX REAL Engineering unit Output 100 True High S VL REAL Computer Output typically O True written to by an operator command S_VLL REAL OUT low limit input 3 3 True S_VLH REAL OUT high limit input 103 3 True S_H_LIM REAL The value in engineering 100 True units to which the S_ PV input is compared for the High alarm S_H_DB REAL The amount of engineering 0 5 True units by which S_PV must be within the limit for the High alarm to clear S_H_DELAYIN TIME The amount of time the T OMS False 0 to input must reach or exceed 24d20h31m the High limit to trip an 23s647ms alarm S_H_DELAYOUT TIME The amount of time the T OMS False 0 to input must be within the 24d20h31m High limit and deadband to 23s647ms cause the alarm to clear 2 50 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name S_L LIM Data Type REAL Explanation The value in engineering units to which the S_PV input is compared for the Low alarm Initial OC amp M Valid Values True S_L_DB REAL The amount of engineering units by which S_PV must be within the limit for the Low alarm to clear 0 5 True S_L_DELAYIN TIME The amount of time the input must reach or exceed the Low limit to trip an alarm T 0MS False 0 to 24d20h31m 23s647ms S_L_DELAYOUT TIME The amount of time the input must be within the Low limit and dea
274. ult Message Text Motor Feedback Failure BlockComment Assignment of auxiliary process values to the block parameters Value Block Parameter 1 s BA_NA 2 d BA_ID 3 d STEP_NO 2 13 1 1 MOTOR_10UT_AFB Input Output Input Name PROOF Data Type BOOL Explanation PROOF is used as feedback to confirm that the motor is running Initial False Oc amp M True Valid Values A_STRT BOOL A_STRT is intended to allow internal logic to automatically start the motor False False A_STOP BOOL A_STOP is intended to allow internal logic to automatically stop the motor False False INTRLK BOOL INTRLK forbids activation of the motor False True SAMPLE_T REAL Sample time in seconds 0 1 False RSTRT_AUTO_FLAG BOOL Default retain on WS Use load val on CS Force Use RSTRT_AUTO_VA LUE on restart False True RSTRT_AUTO_VALUE BOOL Init restart value for Auto Mode if RSTRT_AUTO_FL AG true False False 2 94 PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 Library Function Blocks Name Data Type Explanation Initial OC amp M Valid Values RSTRT_OUT_FLAG BOOL Default retain on False True WS Use load val on CS Force
275. ut parameters The block automatically resets these values after receiving the command When the block is in auto mode AUTO TRUE commands to the block are received via the ALOPEN and A_CLSE inputs Since auto mode is intended for use with commands sent by an SFC there are some In Out settings that accommodate this use e When AUTO_TRACK is TRUE the AUTO mode tracks the MODE input intended to be the mode of the SFC such that AUTO is set TRUE when MODE becomes TRUE e lf MODE_HOLD_AUTO is TRUE AUTO is held TRUE as long as MODE is TRUE When FALSE the AUTO value is set when the MODE input value is TRUE but can then be manually changed e If ACCEPT_ANY_AUTO is TRUE AUTO is set TRUE whenever the A_OPEN Automatic Open or A_CLSE Automatic Close input changes state When in auto mode the positive transition of the POS_TRANS_ACLSE value determines the function of the A_LOPEN and A_CLSE inputs If the POS_TRANS_ACLSE value is TRUE the commands need to be FALSE to TRUE transitions for both the A_LOPEN and A_CLSE inputs Unlike the OPEN and CLOSE command values the A_LOPEN and A_CLSE input values must be reset external to the block If the POS TRANS _ACLSE value is FALSE the same value should be placed on both the A_LOPEN and A_CLSE inputs so that a FALSE to TRUE transition sends an open command and a TRUE to FALSE transition sends a close command To avoid the need to generate such a transition for these PCS 7 APACS ES Library Use
276. uts are intended to input command pulses from a sequence The parameter AUTO determines the source of the start stop commands In auto mode AUTO TRUE the auto parameters A_STRT and A_STOP are active and in manual mode AUTO FALSE the parameters START and STOP are active START STOP and AUTO are to be manipulated via the operator interface START and STOP are to be set TRUE they are reset automatically A positive transition of auto start A_STRT or manual start START depending on the mode latches the internal START_LATCH and pulses the start output STRT_O Interlock INTRLK must be TRUE to allow the latch A positive transition of auto stop A_STOP or manual stop STOP also mode dependent unlatches the internal START_LATCH and pulses the stop output STOP_O The start and stop timers pulse the outputs and determine if the motor has failed to reach its desired state and the failure output FAIL will become TRUE accordingly which triggers the alarm Although the MOTOR_2OUT block was implemented in ladder logic in APACS it has been implemented in SCL in PCS 7 due to differences between APACS and PCS 7 ladder logic The MOTOR_2OUT is a logical and functional equivalent to the corresponding APACS ladder network Comments in the provided SCL source code relate elements in the SCL code to corresponding elements in the original APACS ladder network Calling OBs and Start up Calling OBs This block is called in the watchdog i
277. value in engineering units to which ABS PV DEV is compared for the Absolute Deviation alarm 100 True AD_DB REAL The amount of engineering units by which ABS PV DEV must be within the limit for the Absolute Deviation alarm to clear 0 5 True AD_DELAYIN TIME The amount of time the input must reach or exceed the Absolute Deviation limit to trip an alarm THOMS False 0 to 24d20h31m2 3s647ms PCS 7 APACS ES Library User s Guide for V6 1 A5E00595270 01 2 21 Library Function Blocks Name Data Explanation Initial OC amp M Valid Values Type AD_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the Absolute 24d20h31m2 Deviation limit and deadband to 3s647ms cause the alarm to clear HH_LIM REAL The value in engineering units 0 True to which the PV input is compared for the High High alarm HH_DB REAL The amount of engineering units 0 5 True by which PV must be within the limit for the High High alarm to clear HH_DELAYIN TIME The amount of time the input THOMS False 0 to must reach or exceed the High 24d20h31m2 High limit to trip an alarm 3s647ms HH_DELAYOUT TIME The amount of time the input THOMS False 0 to must be within the High High limit 24d20h31m2 and deadband to cause the 3s647ms alarm to clear LL_LIM REAL The value in engineering units 0 True to whi

PCS 7 / APACS+ ES Library User`s Guide for V6.1

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