Start-up Guide.fm - Flowserve Corporation
Contents
1. Figure 8 Download Configuration Window Repeat the steps to put the AO block into manual mode With the AO block in MAN mode and the FVPTB block in AUTO the valve can be controlled by writing to the OUT VALUE within the AO block 1999 Flowserve Corporation Flow Control Division 11 FLOWSERVE x Transducer Block FVPTB 12 Flow Control Division Logix 1400 Digital Positioner Start up Guide NOTE To view the transducer block first click the Transducer Block icon The transducer block is where all configuration calibration and diagnostics are set up and read Due to the large amount of data that can be accessed in the transducer block the custom view option should be used and the parameters of interest selected To do this choose the Custom tab in the FVPTB Window and click the Custom button on the tool bar Check the items to view in the pop up selection menu Check the Periodic Update button to have the Configurator update the data every couple of seconds El LX F015000 XD F015000 FYPTB Apply Values Biel Es xD F015000 FYPTB ae eo 4 fel EE uf JV Periodic Updates oos Auto Parameter 2 sec a custom Process Diagnostics Trends Others TAG_DESC STRATEGY ALERT_KEY MODE_BLK BLOCK_ERR UPDATE_EVT BLOCK_ALM a lt E MODE BLK TARGET ACTUAL PERMITTED NORMAL2. To schedule the AO block double click the Function Block Application option in the main left window of the Configurator Click and drag the AO block into the Function Block Application Window Next from the menu bar select Configure Download Configuration option Be NI FBUS Fieldbus Configuration System interface0 0 Function Block Application ile Es Sa File Edit View Configure Zoom Window Help 1 x D interfaceD 0 je k Schedule ny Log Notes i Network Parameters 2 O FO15000 40 i fe PID F015000 PID offs RS F015000 RB F XD F015000 F PTB 2l S yal Bs 55 Function Block Application Loop Time 1 sec fe Aa Function Block Application F k on C i interface0 0 ID NIC_PCMCIA FBUS_ LX F015000 ID 464C5302FD VAL LX A Click to open Function Block application window B Drag AO function block into the Function Block Application Window C Function Block Application Window Figure 7 Function Block Window 10 1999 Flowserve Corporation Flow Control Division FLOWSERVE Flow Control Division A Logix 1400 Digital Positioner Start up Guide In the Download Configuration window click the Download button Wait for the download to complete then exit Download Configuration Choose object to download interface0 0 Write Contained Block Parameters M Clear Devices E Link Masters Download Status Download F i
3. Getting Started with the NI Configurator The NI Configurator comes with complete instructions for installing the NI Fieldbus card and Configurator software The instructions that came with the software should be fol lowed carefully ensuring that the software is installed and running properly This docu ment is not meant to cover NI Configurator software installation or troubleshooting Flowserve does not offer technical support for the NI Configurator Launch the NI FBUS Config utility icon seen to the left Select Port0 Click the Edit button In the Port window click the Advanced button Fill in the fields in the Advanced Stack Configuration window to match the screen below Advanced Stack Configuration Ea m Dime Master Info First Unpolled Node 0x26 Num of Unpolled Node Oxb9 Def Min Token Deleg Time 100 Cancel Def Token Hold Time 500 Target Token Rot Time 2000 TH Link Maint Tok Hold Time 0x7c Time Distribution Period 5000 m System Management Info Th Device ID NIC_PCMCIA FBUS_AAEC7F_O Primary Time Master 0x10 T1 0 80000 m Dime Basic Info Slot Time Max Response Delay 5 Dipdu Phl Overhead 2 Min Inter Pdu Delay 10 T3 0 100000 10 T2 Ox60000 allt 4 Lu Time Syne Class 1 ms Clock Syne Interval Figure 2 Advanced Stack Configuration Window With these values entered click OK three times to save and exit the configuration 1999 Flo
4. GO FINAL VALUE B FINAL POSITION VALUE VALUE STATUS QUALITY SUBSTATUS LIMITS DAC PERCENT CONTROL FLAGS Write Changes Auto 00S Good NonCascade NonSpecific NotLimited Advanced Model TRANSDUCER_DIRECTORY TRANSDUCER_TYPE XD_ERROR COLLECTION_DIRECTORY FINAL_VALUE FINAL_VALUE_RANGE CIFINAL_VALUE_CUTOFF_HI FINAL VALUE CUTOFF LO FINAL_POSITION_VALLIE SERVO_GAIN SERVO_RESET SERVO_RATE ACT_FAIL_ACTION ACT_MAN_ID ACT MODEL_NUM x 4 lt Read All A Periodic Update Box B Custom Parameters C Selection Menu Figure 9 Transducer Block Window If the positioner is to be controlled by the AO block the FVPTB block must be in Auto If the positioner is to be controlled by the FVPTB the AO block must be in OOS and FVPTB in OOS To move the valve write to FINAL_VALUE VALUE 1999 Flowserve Corporation Flow Control Division SX FLOWSERVE Vs Parameter MODE_BLK TARGET FINAL_VALUE Flow Control Division Logix 1400 Digital Positioner Start up Guide Logix 1400 Digital Positioner Configuration Configuration of the Logix 1400 digital positioner is done almost exclusively in the trans ducer block FVPTB Open the transducer block FVPTB window by double clicking its tag in the main N Configurator window The FVPTB MODE_BLK
5. Off ATO On ATC 48 56 Read All A Selection to use quick opening characterization curve B Selection to use equal percent characterization curve C Actuator type D Positioner model type E Actuator style F Characterization active if the quick open or equal percent option are selected that curve will be used If neither is selected the characterization curve will be user defined G Air action of actuator Figure 11 CONTROL_FLAGS Window 16 1999 Flowserve Corporation Flow Control Division SX FLOWSERVE Vs F l ow Control Division Logix 1400 Digital Positioner Start up Guide Stroke Characterization In addition to three pre defined and embedded characterization curves the Logix 1400 digital positioner has a 21 point custom stroke characterization feature This allows the user to define a unique set of operating parameters customizable to his process condi tions Table 2 Transducer Block Characterization Parameters Parameter MODE_BLK CONTROL_FLAGS Description The operating mode of the trans ducer block Byte values which select positioner operation features Value Meaning Permitted Modes Auto Auto target mode OOS Out Of Service Quick Opening Curve Equal Percent Curve Actuator Type Advanced Model Rotary Actuator Gain Custom Character ization Active 7 Fail Position TBD 8 Air Action Comments
6. On Single Acting CURVES v Positioner M odel Off Standard Ons dvanced C CURVES CURVE CURVE CURVE CURVE CURVE CURVE CURVE CURVE CURVES CURVES CURVES CURVE CURVE CURVES CURVEX CURVE CURVE CURVE CURVEY CURVEY CURVEY CURVEY CURVEY SAWOUWMOYTWIMMOINSSWWONMNHH OO ouounououoanounoon Write Changes Read All A X axis variables 21 B Y axis variables 21 C Control Flags window Figure 12 Custom Stroke Characterization Window _ 5 Verify the process is in a safe condition and that the valve may be taken out of ser vice Put the Transducer block MODE_BLK out of service Make sure that Quick Opening Curve Equal Percent Curve nor Custom Character ization Active are selected in CONTROL_FLAGS Enter the values for CURVEX and CURVEY to define the desired response Care must be taken to assure that each CURVEX value has the correct corresponding CURVEY value The user may choose any number in the range to define the curve The 21 CURVEX points do not need to be evenly spaced if so desired However the CURVEX values must be in ascending or equal order The CURVEY points may be any value in the range ascending or descending The response is a linear interpola tion or straight line response between points All 21 points must be defined i e If only five point sets were needed to define the desired operation the remaining 16 points would need to be set to 110 Write the changes
7. The FINAL_VALUE parameter in the FVPTB will now track the AO s OUT VALUE Fieldbus control is much more complicated The FF network must be configured with some type of transmitter Al and control function block PID The configuration must then be downloaded to the devices For this reason the next section will cover FF net work configuration Valve control within a FF control loop will be covered here 1999 Flowserve Corporation Flow Control Division 23 Can N FLOWSERVE Vs NI Configurator Function Flow Control Division Logix 1400 Digital Positioner Start up Guide Configuring the FF Network The big advantage to an FF network is the ability to program or connect function block Within a device to another FF device on the bus This allows process control to be moved from the control room to the field devices This section will outline how to setup a very simple control loop Reference to a standard FF Al block will be made The Al block must be configured to output 0 100 percent The Al could be in a temperature transmit ter pressure sensor flow meter 4 20 mA to FF converter or any device with an AI block The example in this section used SMAR s IF302 4 20mA to FF converter Details into the setup of the SMAR Al are not included in this document Double click on the Function Block Application selector in the main window of the Con Block Application figurator This will open the Function Block Application w
8. interface0 0 pe Log Notes Network Parameters Schedule ab Function Block Application 3 interface0 0 ID NIC_PCMCIA FBUS_AF62B3_0 lt 9 ST 4005005 ID 48574C0002 HWL ST3000 4005005600 DEVICE LX FO15000 ID 464C530201 VAL LX1 400 00F0150000 Device help Optional Double click on this item to open a device window Certain items like device tag and address can be edited with this window Function blocks can also be edited with this interface x RS 4005005 RB E XD 4005005 ST3000TB 24 Al 4005005 Al 3 PID 4005005 PID B E LX F015000 ID 464C530201 VAL LX1400 00F0150000 RS F015000 RB EJ XD F015000 FVPTE 34 AO FO15000 A0 34 PID F015000 PID TT E F PARAMETER BOOT_OPERAT_FUNCTIONAL_CLASS read data object success PARAMETER LINK_SCHEDULE_LIST_CHARACTERISTICS read data object success LINK interfacel 0 is currently idle El L oo o fo7 2979912 40 16 A Transducer Block B NI FF Card C Logix 1400 Digital Positioner D Function Blocks E Function Block Tag Name F Function Block Type G Main Configurator Window H Status Window I Help Window Figure 4 NI Configuration Set up Window Connect the Logix 1400 digital positioner to the fieldbus One of the LEDs on the Logix 1400 digital positioner should start to blink If not verify wiring polarity and that the power supply is plugged i
9. Controlling The Valve If all the function blocks are set up as outlined above the positioner should now tack the output of the transmitter the Al block If not verify that the blocks are set up as outlined above Saving the Configuration This configuration can be saved by the Configurator This is recommended if the PC is going to be disconnected or removed from the FF network The Configurator is not able to reconstruct the graphical wiring diagram so reconstructing a pre configured network is extremely difficult By saving the configuration the graphical wiring diagram is saved Saving is done upon exit from the Configurator software 1999 Flowserve Corporation Flow Control Division 27 SX FLOWSERVE Vs System Preparation Parameter MODE_BLK Flow Control Division Logix 1400 Digital Positioner Start up Guide Initiating a Valve Signature A feature of the Logix 1400 digital positioner is the ability to capture and store a valve diagnostic signature in the positioner s volatile RAM A signature is the collected data response of the valve to a pre defined set of operating conditions This stored data can later be uploaded to the host system for analysis of potential problems By comparing a baseline signature when the valve is new to subsequent signatures at later times a rate of change can be tracked which can help predict possible faults in the valve before they happen This is called predictive maintenance
10. Digital Positioner Start up Guide Signature Procedure The following steps are an example of how to initiate a ramp signature capture Jal LX F015000 XD F015000 FYPTB OT x Apply Values JXD FO15000 FVPTB aasal alae Aale E el JV Periodic Updates 2 sec ous Auto Signatures Characterize custom Process Diagnostics Trends Others Parameter SIG START 5 SIG STOP 105 RAMP RATE 100 STEP TIME 1 SIG FLAGS STEP RAMPIPRESS MEAS SAMPLE TIME 0 1 fs 00000 SIG_COMPLETE A SIG COUNTER 8 0 0000 PRESS MEAS STROKE OPENTIM 0 BEGIN SIG STROKE CLOSEDTIM 0 STROKE TSTPSI 60 SIG INDEX 0 0000 E SIG DATA SIG DATA fo SIG DATA ao SIG DATA od 0 SIG DATA ay 0 x Read All Write Changes A Signature Flags box Figure 18 Ramp Signature Window 1 Make sure the process is in a safe condition and notify the control room that the valve will temporarily be taken off line Verify preparedness to proceed Put the Transducer block MODE_BLK out of service Set SIG_START to desired value Set SIG_STOP to desired value Set SAMPLE_TIME to desired value Typically 0 1 In SIG_FLAGS select STEP_RAMP PRESS_MEAS Write values to the Logix 1400 digital positioner 9 Set RAMP_RATE to desired value typically 100 10 Write value to the Logix 1400 digital positioner 11 In SIG_FLAGS select BEGIN_SIG 12 Write value
11. NOTE The purpose of the positioner is to act as the data acquisition device for the sig nature Analysis of the data is not done on the device but in the supervisory system hazardous condition WARNING By definition the collection of the signature requires the unman aged operation of the positioner Therefore the process must be in a safe operating mode where unexpected movement of the valve will not cause a Before a valve signature can be run the Transducer block must out of service Table 3 Transducer Block Signature Parameters 1 of 2 Description The operating mode of the transducer block Value Meaning Permitted Modes Auto Auto target mode OOS Out of service Comments The transducer block must be in the OOS mode to perform a signa ture SIG_FLAGS Byte values that select which signature options are used 0 VALVE INIT initializes valve for signature capture Read only 1 STEP _RAMP selects which type of signature is desired Select for ramp signature 2 SIG COMPLETE sets sta tus byte when the signature has been completed Read only 4 PRESS MEAS selects if actuator pressure readings are desired as part of the signature Select for readings 5 BEGIN_ SIG set to initiate the signature routine Select the desired signature options and then make sure the signature parameters are set to the desired operation before begin ning the signature SIG_START Beginning
12. The transducer block must be out of service before the user can edit or change charac terization Loads factory defined QO curve as custom curve Loads factory defined equal per cent curve as cus tom curve Activates custom curve If Off response is Linear CURVEX CURVEY 1999 Flowserve Corporation Flow Control Division Numeric X value array for custom point 1x21 array points Numeric Y value array for custom point 1x21 array points X axis value for custom stroke characterization point Range 10 to 110 Y axis value for custom stroke characterization point Range 10 to 110 Pair each X value with correspond ing Y value to define the desired point Values must be in ascending or equal order Must not be selected if a custom curve is to be created or edited 17 FLOWSERVE Steps 18 Vs Flow Control Division Logix 1400 Digital Positioner Start up ET Characterization Procedure The following procedure outlines setting up a custom stroke characterization E LX F015000 XD F015000 FYPTB BEI EX Apply Values xD F015000 FYPTB Sale alg Eal3 2 IV Periodic Updates j2 2 sec z oos Auto Signatures Characterize custom Process Diagnostics Trends Others Parameter E Daran elAd LONTRUL FLAGS Quick Opening Curve O CURVEX Equal Percent Curve CURVES JActuator Type Off Double Acting
13. be attached to the bus the correct sub directory structure will have to be created and the DDs installed Always start the subdirectories in the directory listed in the base DD directory field Click OK in the DD info screen More information about how to create the directory structure for the DDs can be found in the Resource Block section of this document Whenever changes are made within Configuration Utility the NI FBUS must be restarted for the new settings to take effect Configurator driver must be running To start the NI FBUS double click on the blue icon shown on the left Once running the window will automatically minimize Next Nifb launch the NI_FBUS Configurator icon with the NI logo and 3 squares seen at the left Click OK on the Add Links window The Configurator window should now open and the NI Fieldbus card should be listed in the window on the left Launching the NI Ej In order to run the Configurator software NI FBUS a fieldbus communications 1999 Flowserve Corporation Flow Control Division n Flow Control Division FLOWSE RVE Logix 1400 Digital Positioner Start up Guide steps in the installation manual were followed correctly and verify wiring and Fa Flowserve does not support the NI tools suite If problems occur check that all ad setup If the problem persists contact National Instruments Eal NI FBUS Fieldbus Configuration System ver 2 3 FCP1 File Edit View Configure Window Help sai sem E E
14. distance the valve traveled TRAVEL_DEADBAND Amount in percent of stroke the valve must move for the move ment to be added to TRAVEL_ENG TRAVEL_ALERT If TRAVEL_ENG exceeds this value the yellow LED will start to blink and a warning generated in TRAVEL_FLAGS STROKE_ENG Stoke length of valve This value is used to calculate TRAVEL_ENG TRAVEL_UNITS Units of measure used to calculate TRAVEL_ENG PRESS _ UNITS Units of measure that pressure sensor readings are expressed in TEMP_UNITS Units of measure that temperature is expressed in FAIL_MODE Should a communication loss occur between the fieldbus card and posi tioner card this parameter sets the fail mode of the valve Nothing selected will cause the positioner to hold the last known command should a communication loss occur Apply Values Fj LX F015000 XD F015000 F PTB OI x XD FO15000 FVPTB el ee ES el IV Periodic Updates 00s Auto 2 sec Parameter Tuning Process Diagnostics Trends Others a 5 CONTROL FLAGS GAIN UPPER GAIN LOWER GAIN MULT IGAIN IL OFFSET Q nMmOOUW pa Write Changes Equal Percent Curve Actuator Type Off Double Acting On Single Acting Positioner Model Off Standard On 4dvanced Actuator Style Off Linear On Rotary Custom Characterization Active Fail Position Off Fail Closed On F ail Open Air Action
15. E BLK TARGET ACTUAL PERMITTED NORMAL BLOCK ERR RS STATE MIN CYCLE T WRITE LOCK 4000 millisec Not Locked Read All Write Changes ES LX F015000 RS F015000 RB BEE Apply Values RS FOTSO00 RB HA Aae IV Periodic Updates 2 sec 4 00 J Auto Device Process Options Alarms Diagnostics Others Parameter Value E MODE BLK TARGET Auto Bi Auto ACTUAL PERMITTED Auto OOS NORMAL Auto 0x00464c53 El REVISION ARRAY REVISION ARRAY REVISION ARRAY REVISION ARRAY Read All Write Changes Figure 6 Resource Block Windows All function blocks have a MODE_BLK parameter Out Of Service OOS means the function block is not execut ing FF specifications require that the Resource block be in Auto mode before any of the other function blocks will exit the OOS mode To put the Resource block in Auto open the Resource block window and find the MODE_BLK parameter Dou ble click on TARGET Select Auto and uncheck OOS Click the Write button on the tool bar An asterisk should appear next to TAR GET this indicates that the value has not yet been written Wait for the aster isk to go away indicating the value has been written Click on the Read button until the ACTUAL field reads Auto The Resource block is now in Auto mode Other noteworthy parameters found in the Resou
16. PR FLOWSERVE ue Flow Control Division Logix 1400 Digital Positioner otart up Guide FLOWSERVE x Flow Control Division Logix 1400 Digital Positioner Start up Guide Scope This manual is provided for those users unfamiliar with fieldbus devices It also provides documentation to fill any gaps in information between fieldbus device user s manuals and configurator software manuals This information is beneficial to those with a good understanding of the new and emerging fieldbus technology but without experience using it This document was written to be used specifically with the Logix 1400 digital positioner It is not meant to replace the Logix 1400 Digital Positioner User s Manual or be a com plete guide to the fieldbus or NI Configurator software This document will explain the steps necessary to configure and bench operate the Logix 1400 digital positioner It assumes the user has the positioner mounted to an actuator tubed properly and with a good air supply This document references the NI Configurator version 2 25 as the host tool Definitions Al block Analog Input block This block receives an analog signal and coverts it to a FF signal AO block Analog Output block This function block produces an analog output signal This block controls the input to a transducer block Configurator Software tool used to access data and configure FF devices DD Device Description Files used by configurato
17. PTB s FINAL_VALUE VALUE parameter field and click the Write button The positioner will move the valve to that position Control from the AO block is almost as simple The AO must be set to MAN manual mode and the FVPTB must be in Auto To get the any of the function blocks out of OOS the RB must be set to Auto To get the AO block into MAN mode two parameters must be set The CHANNEL parameter must be set to 1 and the SHED_OPTS parameter to anything but initialized 1999 Flowserve Corporation Flow Control Division FLOWSERVE FF Control low Control Division Logix 1400 Digital Positioner Start up Guide NormalShed_NormalReturn is the typical setting After these two parameters are prop erly set the AO MODE_BLK can be changed to MAN LX F015000 AO F015000 A0 Pre E2 Jao F015000 40 EN rala 7 a 2 wz 4 gt Tuning Input Output General Information J Periodic Updates f1 sec Parameter E MODE_BLK TARGET Man ACTUAL aiian PERMITTED RCas Cas Auto Man C NORMAL Auto E OUT STATUS Good_NonCascade Non VALUE 15 E a CAS_IN STATUS Good Cascade NonS VALUE fayn i CHANNEL 1 SHED_OPT NormalShed_NormalRetun A CHANNEL must be set to 1 B SHED_OPT cannot be set to Uninitialized Figure 14 Manual Mode Configuration With the AO now in MAN mode set the FVPTB to Auto mode Writing to the OUT VALUE parameter in the AO block will control the valve position
18. TARGET parameter must be set to OOS in order to do any configuration Due to the large number of parameters in the FVPTB configuration is easiest under the Custom tab Use the Custom Config button to select parameters to be viewed or modi fied Check the Periodic Update box to ensure that the data being viewed is current The following table summarizes basic configuration of a Logix 1400 digital positioner on a 25 square inch actuator and linear valve Table 1 Logix 1400 Digital Positioner Parameters Default Value Auto No default Function Determines the mode of the function block Command going to positioner before characterization soft stops or MPC FINAL VALUE CUTOFF HI 110 This will saturate the actuator in an open position if FINAL_VALUE becomes greater than the cutoff value FINAL_VALUE_CUTOFF_LO 1 This will saturate the actuator in a close position if FINAL_VALUE becomes less than the cutoff value This is the same has the Minimum Position Cutoff feature of the Logix 1200 digital positioner The new termi nology matches FF terminology FINAL_POSITION_VALUE Dynamic Actual stem position in percent of stroke DAC_PERCENT CONTROL_FLAGS Dynamic DAC output in percent Advanced Model Used to tell positioner type of actuator and characterization to use GAIN_UPPER Maximum proportional gain used GAIN_LOWER Minimum proportional gain used GAIN_MULT IGAIN Adjust
19. al SIG_COUNTER Indicates number of data points collected Increments by 1 as each data packet is collected SIG_DATA Array for the storage and transfer of signa ture data Order of data is Command Position Port 2 pressure Port 1 pressure STROKE_TSTPSI Supply pressure in psi for stroke test 150 psi max STROKE_OPENTIM Stroking time during opening Seconds Determined during the last stroke calibration where the Step Time Test option was ran STROKE_CLOSEDTIM Stroking time during closing Seconds Determined during the last stroke calibration where the Step Time Test option was ran Special Note Because of the internal database size limit of 10K within the fieldbus device the values for RAMP_RATE or STEP_TIME may be recalculated to the most reasonable value to allow using the database The new value will appear in the parameter after the desired one is written This is done to prevent accidental overflow of the database The database may possibly overflow because of timing constraints If this should happen SIG_COMPLETE will not appear but BEGIN_SIG will be turned off BLOCK_TEST element 6 will be set to 10 0x0a as an error indica tion Since this does not affect operation of the positioner itself no actual error will be reported over fieldbus 1999 Flowserve Corporation Flow Control Division 29 Flow Control Division FLOWSE RVE Logix 1400
20. alibration of the Logix 1400 digital positioner is very straightforward The Re Cal button will perform a stroke calibration procedure but the DIP switches are no longer used The parameter CONTROL_FLAGS must be configured over the fieldbus network prior to using the Re Cal button Once the positioner is properly configured press and hold the Re Cal button for five seconds The Re Cal button is only operational when the FVPTB is in OOS mode To perform a stroke calibration complete the following steps Set the Transducer block to OOS e Ensure the positioner is configured correctly Refer to previous section e Check the Periodic Update box under the Custom tab in the Transducer block win dow e Ensure air supply and valve tubing matches configuration Select Perform a stroke calibration procedure option under the CALIBRATE parame ter in the NI Configurator e Click the Write Button The valve should now go closed open then to a mid stroke position for a few seconds CALIBRATE will return to normal operation at the completion of the calibration process E LX F015000 XD F015000 F PTB Be x xD FO15000 FVPTB 3 5a Palsa zia Le All Alarms Trends Tuning Input Output General Information Custom IV Periodic Updates Parameter Value E CALIBRATE dyn Perform a stroke calibra DAC_VALUE lavn Perform a stroke calibration procedure Automatically Calibrate Actuator Pressure Sensors PRESS_CAL 60 Movi
21. ay be stale By checking the Periodic Update box the Configurator will attempt to update the viewed parameters at the specified rate On a busy bus updating the parameters may take longer than the specified rate Once checked the Parameters tab under the other tabs in the Function Block window will be updated Otherwise use the Read button to verify that a parameter is correct Do not assume that the value shown is correct until a read or update is done The NI Configurator will display some of the parameters in decimal or hexadecimal for mat To toggle between the two modes move the mouse cursor inside the function block window Right click and toggle the Hexadecimal option The next four sections detail what parameters must be set to within the Logix 1400 digi tal positioner s function blocks to control the positioner on a Fieldbus network It is not 8 1999 Flowserve Corporation Flow Control Division FLOWSERVE x Resource Block RB Flow Control Division Logix 1400 Digital Positioner Start up Guide meant to be a detailed description of the function blocks or their parameters See the Logix 1400 Digital Positioner Users Manual and FF documentation for more details EE LX F015000 RS F015000 RB PAS E4 Apply Values RS FO15000 RB azg ae sal zale IV Periodic Updates 2 sec oos Auto Process Options Alarms Diagnostics Others Parameter TAG DESC ALERT KEY MOD
22. cked the curve can not be changed If the user wishes to use a different curve or edit the custom curve the user must first uncheck this box Fail Position Currently this has no function Air Action Check this box only if the actuator is tubed to be ATC Air To Close After configuring CONTROL_FLAGS remember to click the Write button to apply the values GAIN_UPPER The Logix 1400 digital positioner uses a special gain algorithm The proportional gain increases with a decrease in error This allows for maximum resolution and speed GAIN_UPPER is the upper limit to proportional gain GAIN_LOWER The Logix 1400 digital positioner uses a special gain algorithm The proportional gain increases with a decrease in error This allows for maximum resolution and speed GAIN_LOWER is the lower limit to proportional gain GAIN_MULT The Logix 1400 digital positioner uses a special gain algorithm The pro portional gain increases with a decrease in error This allows for maximum resolution and speed GAIN_MULT adjust the transition rate between GAIN_UPPER and GAIN_LOWER IGAIN In addition to proportional gain the Logix 1400 digital positioner used integral as well This in the integral gain setting Typically this is set to 10 IL_OFFSET This parameter tells the positioner where the spool valves null position is This value is set during a stroke calibration procedure and typically requires no further adjustments CMD_USED This i
23. digits Do not include the Ox identifier The DDs are installed in the DEV_ TYPE directory Two exist for each device Their name is a hexadecimal four digit name made from the combination of DEV_REV and DD _ REV with the file extensions dev_rev dd_rev sys and dev_rev dd_rev ffo Go to the Windows Explorer tool to see the Logix 1400 digital posi tioner directory structure and compare it to the data listed above Honeywell designs this function block to perform PID loop control It is not needed to operate the positioner Some of its features will be discussed in the Configuring the FF Network section For more information refer to the Logix 1400 Digital Positioner User s Manual or contact Honeywell When in an active control loop the Logix 1400 digital positioner receives its command signal into the AO block When not running in an active control loop the Logix 1400 dig ital positioner can be controlled from the AO block or the FVPTB block To control the Logix 1400 digital positioner from the AO block the block must be in manual mode To get this block out of OOS set the following parameters in the AO block CHANNEL 1 SHED_OPT NormalShed_NormalReturn Click the write button to apply Use Read or Periodic Update to verify the changes have taken place Now try to set the MODE_BLK TARGET to Man manual If it won t exit the OOS mode and CHANNEL and SHED_ OPT are both correct the AO block needs to be scheduled executed
24. indow To configure or create a FF control loop click and drag the function block tag name into the Function Block Appli cation window When released a graphical wiring block for the function block will appear in the window Drag into the application window an Al block the Logix 1400 digital posi tioner PID block and the Logix 1400 digital positioner AO block Click the Wire button and wire the network as seen in the figure below B C a NI FBUS Fieldbus Configuration System interface0 0 Function Block Application _ a x Sa File Edt View Configure Zoom Window Help le x l gt e 325 Function Black Appicaton Loop Tine 200 me Seem e i 2 O Sul o all E interface0 0 Log Notes Network Parameters Schedule A 8 Function Black Application interface0 0 ID NIC_PCMCIA FBUS_AA6C7F_0 LX F015000 ID 464C5302FD YAL LX1400 00F015001 Et AD F015000 40 it PID F015000 PID E RS FO15000 RB E XD F015000 FVPT8 SMAR_3IN_XMTR ID 0003020003 SMAR IF302 800 E SMAR A A E SMAR AA AA E SMAR AI 2 AI E SMAR AI 3 AI SMAR DSP D E SMAR I 1 SMAR PID PID E SMAR RB RB E SMAR SC SC E SMAR SG SG E SMAR XD 1 T E SMAR XD 2 T E SMAR XD 3 T E PID FO15000 PID E 40 F01 5000 40 A SMAR AL 1 AD OUT IN OUT CAS IN OUT Ales CAS IN BKCAL OUT EKCAL OUT Alarms D AO Trends De La Alarms P Alarms De Trends P Trends g
25. ke place on the network such as detecting new devices and keeping Link Masters devices updated with a live list and schedule The shorter the Loop Time the faster the control loop will run Bu NI FBUS Fieldbus Configuration System interface0 0 Schedule BS File Edit View Schedule Configure Window Help aj l l al a interfacel 0 2 Log Notes Network Parameters Schedule Sa Function Block Application interface0 0 ID NIC_PCMCIA i LX F015000 ID 464C5302FD 0 F015000 40 PID F015000 PID RS F015000 RB XD F015000 FYPTB SMAR_3IN_XMTR ID 00030 E SMAR A A E SMAR AA AA ft SMAR Al 1 Al E SMAR AI 2 AI E SMAR AI 3 AI E SMAR DSP D E SMAR 1 E SMAR PID PID E SMAR RB RB E SMAR SC SC E SMAR SG 56 E SMAR XD 1 T E SMAR XD 2 T E SMAR XD 3 T M Jintertace0 0 ID NIC_PCW 10ms div 7 Fr j 2 F Function Block lication Ciloop Time 200 ms altered EFMAR ALI AD BOUT Es eae EFPID F01 5000 PID PID F BOUT RRKKKKKKK mal Transmission MW ow IA O F01 5000 AO BEKCAL OUT 4 A Schedule Selector B Function block execution time as seen on the schedule C Gap between function block execution time Figure 16 Schedule Selector Window 1999 Flowserve Corporation Flow Control Division 25 FLOWSERVE x Download Configuration Download Status Flo
26. lect the Set Tag option Type in the new tag name and click the Set button Note that the block types AO PID RB or FVPTB remain unchanged To gain access to the parameters within a function block simply double click on the function blocks tag name in the main window A pop up window with several tabs similar to the one below should now be seen oe Es eS i cocoon reo ero T F F022000 FYPTE E Pala 2 AE e All Alarms Trends Tuning Input Output General Information Custom IV Periodic Updates E MODE_BLK TARGET Auto 00S ACTUAL 005 PERMITTED uto 00S NORMAL Auto E FINAL_VALUE STATUS Good_NonCascade NonSpecific Constant con A Write writes changes made within the block must be clicked to apply parameter changes B Write All writes all parameters to the device C Read reads the value of the selected parameter D Read All reads all parameters from the function block E Clear nor mally inactive F Refresh redraws the screen G Customize Parameters allows user to view custom sets of parameters H Changes to one of three views I Help J Periodic Updates Figure 5 Function Block Parameter Window Normally in a function block window the All tab or the Custom tab is used Click the Cus tom tab Notice the Periodic Updates box in the upper left corner The NI Configurator does not constantly update the parameters within a function block window so some of the data m
27. ls the valve Make sure that the CONTROL_FLAGS is configured correctly e Quick Opening Curve The Logix 1400 digital positioner comes with a default quick opening curve If this response is desired check the Quick Opening Curve and Cus tom Characterization Active boxes Equal Percent Curve The Logix 1400 digital positioner comes with a default equal percent curve If this response is desired check the Equal Percent Curve and Cus tom Characterization Active boxes 1999 Flowserve Corporation Flow Control Division FT FLOWSERVE x Flow Control Division Logix 1400 Digital Positioner Start up Guide Actuator Type Check this box only when the positioner is mounted on a single act ing type actuator This will disable the second pressure sensor e Positioner Model This parameter is automatically set at power up It tells the posi tioner if it is an advanced pressure sensors model or standard no pressure sen sors If the user wishes to over ride the Auto Model Detect feature consult the factory e Actuator Style Check this box only if the positioner is mounted on a rotary type actuator Custom Characterization Active Check this box if the user wishes to have the FINAL_VALUE parameter characterized If the Quick Opening or Equal Percent box is also checked the positioner will use a factory defined curve If only Custom Char acterization Active is checked a user defined curve will be used Note that when this box is che
28. n Fieldbus Foundation 9390 Research Blvd Suite 11 250 Austin TX 78759 512 794 8890 voice 512 794 8893 fax www fieldbus org information RELCOM Inc FF power conditioners and terminators 2221 Yew Street Forest Grove OR 97116 800 383 3765 voice 503 357 0491 fax E mail fieldbus relcominc com National Instruments Configurator software 6504 Bridge Point PKWY Austin TX 778730 5039 512 794 0100 voice Support number 512 794 5678 www natinst com support natinst com 1999 Flowserve Corporation Flow Control Division 31 FCD VLAMN146 00a 1999 Flowserve Corporation Flowserve Corporation Flow Control Division
29. n Once the NI card and Logix 1400 digital positioner are con nected to the Fieldbus the Logix 1400 digital positioner should show up in the NI Config urator s main window as seen above Wait for the small hour glass icon that pops up next to each device and function block to go away Under the Logix 1400 digital posi tioner four function blocks should be listed Each function block should have the function block tag name and type listed in apprentices The four functions blocks are AO Ana log Out PID PID control RB Resource block and FVPTB Flowserve Valve Positioner Transducer Block If any of the blocks are listed as unknown UKN the DDs are incorrect or not installed properly If this occurred try re installing the DDs and restarting the NI FBUS application NOTE To view the transducer block click the Transducer block icon 1999 Flowserve Corporation Flow Control Division 7 Flow Control Division FLOWSE RVE Logix 1400 Digital Positioner Start up Guide Function Blocks With the Logix 1400 digital positioner on the bus and NI Configurator now talking to the positioner configuration and calibration can take place To do this a brief understanding of function blocks in necessary The function block s tag name and type are listed under the device in the main Configu rator window Tag names can be changed for easier identification To change the tag name right click the mouse cursor on the tag name Se
30. nd signal from a digital source In essence when configured a FF loop becomes a local area network LAN and the positioner receives it command over the network Because the Logix 1400 digital positioner is a two wire device existing wiring from a 4 20 mA application can be used FF devices require 9 32 VDC power supply and FF power supply conditioner Just because the same wire can be used it does not mean the device is powered similar to other 4 20 mA devices The different functions within an FF device are found in virtual function blocks For example if a device is capable of performing PID control the device will have a PID function block In an FF network any function block in one device can have a virtual con nection to the function block of another device This makes it possible to have any ven dor s transmitter PID function block connected to a Logix 1400 digital positioner analog out function block thus controlling the valve Any combination of these virtual function blocks is possible regardless of who manufactures the devices The NI Configurator allows for easy graphical connection or wiring of the function blocks The Logix 1400 digital positioner contains four function blocks 1 Resource block RB The RB contains basic FF information 2 PID control block This block is capable of performing PID control of a process Hon eywell designed the Logix 1400 digital positioner s PID Honeywell should be con s
31. ng valve to closed position Moving valve to open position CALIBRATE_FLAGS dyn Calibrating SUPPLY sensor Calibrating Actuator Sensor closed TEMPERATURE 3 Calibrating Actuator Sensor open Write to DAC_value TOP_PRESSURE fi Check quick cal button Error occurred during Calibration BOTTOM_PRESSURE Blink red LED Blink yellow LED SUPPLY_PRESSURE ft Blink green LED Determine inner loop offset VOLTAGE_REFERENCE Reset variables to factory default Perform Step Time Test HALL_SENSOR Reset calibration constants MOD_CURRENT go s57191 Figure 13 Calibration Window 1999 Flowserve Corporation Flow Control Division SX FLOWSERVE Vs Flow Control Division Logix 1400 Digital Positioner Start up Guide Pressure Calibration To perform a pressure calibration complete the following steps Set the Transducer block to OOS Check the periodic update box under the Custom tab in the Transducer Block win dow Ensure the positioner is an advance model see parameter CONTROL_FLAGS Ensure air supply Set PRESS_CAL to air supply pressure value Set PRESS_UNITS to the proper pressure units Select Perform Pressure Calibration option under the CALIBRATE parameter in the NI Configurator Click the Write button The valve should now go closed then open CALIBRATE will return to normal operation at the completion of the calibration process 1999 Flowserve Corporation Flow Control Divisi
32. nications signals to be superimposed onto the power supply line much like the HART filter 3 FF terminator This device prevents excess noise from getting onto the bus due to improper termination of unused FF spurs 4 NI Fieldbus card National Instruments produces both a PC AT and a PCMCIA Field bus card 5 NI Configurator software or other vendor s configurator 6 PC running Windows 95 or NT operating system with a minimum of 16MB of RAM Pentium or Pentium II processor is highly recommended A PC running the Configurator the power supply and the FF device are all connected in parallel to the FF Power Supply Conditioner Polarity is important but the Logix 1400 digital positioner is protected against reverse polarity Connecting the supply wires back wards will only cause a loss of communications and should not harm the device The fol lowing figure shows a simple wiring diagram for more information refer to the Logix 1400 Digital Positioner User s Manual Power Supply 9 32 VDC Computer running configurator software FF Power Supply Conditioner and Terminator Figure 1 Logix 1400 Digital Positioner Wiring Diagram NOTE Contact information for the FF supply conditioner and terminator can be found in the last section of this document 1999 Flowserve Corporation Flow Control Division FX FLOWSERVE St Configurator Configuration Flow Control Division Logix 1400 Digital Positioner Start up Guide
33. on 21 FLOWSERVE Neo From the XD From the AO 22 Flow Control Division Logix 1400 Digital Positioner Start up Guide Controlling the Valve The Logix 1400 digital positioner or the valve position can be controlled with one of three basic methods The first method is to control the valve directly from the Transducer block FVPTB When setting up and configuring the positioner this is a logical method to use The second method in through the AO block This method will verify that the positioner is receiving a command from the AO block This method can be used when setting up the FF network or when troubleshooting the network The final method is to put the positioner in a FF network and receive its command signal from a function block in a device on the loop Control from the FVPTB is the easiest to set up The FVPTB and AO must both be set to OOS This can be accomplished by two methods The simplest method is to put the Resource block in OOS Whenever the Resource block is in OOS mode all other blocks will go to the same mode NOTE This could cause problems if the device has any function blocks being used in an FF network because all function blocks will go to OOS mode and stop executing The second method is to have the FVPTB and AO OOS open their respective windows in the Configurator and set MODE_BLK TARGET to OOS Once the two block are set to OOS write in percent of stroke the new valve position in the FV
34. or both devices must be set to Auto Al Block The Al mode must be set to Auto and the output in terms of 0 100 percent The output of the Al block will be passed directly to the valve positioner in this configura tion Consult the Logix 1400 Digital Positioner User s Manual for configuration instruc tions PID Block The Logix 1400 digital positioner s PID block was designed by Honeywell This section will describe how to pass an input directly to the PID s output For more information on how to configure the PID consult the Logix 1400 Digital Positioner User s Manual or Honeywell Do the following to set up the PID block Set MODE_BLK TARGET to OOS Set SHED_OPTS to NormalShed_NormalReturn Set BYBASS to Off Set CONTROL_OPTS to Direct Acting Set MODE_BLK TARGET to Man Read the Value in IN VALUE So Se NS 1999 Flowserve Corporation Flow Control Division Flow Control Division FLOWSE RVE Logix 1400 Digital Positioner Start up Guide 7 Write value the previous step to SP VALUE and OUT VALUE 8 Set MODE_BLK TARGET to Auto AO Block The AO block must be put into Cascade mode When in Cascade mode the block s output will tracks its input The following steps are required to set the AO block into cascade mode 1 Set MODE_BLK TARGET to OOS 2 Set SHED_OPTS to NormalShed_NormalReturn 3 Set CHANNEL to 1 4 Set MODE_BLK TARGET to Cas Auto FVPTB Block Set the transducer block mode to Auto
35. position point for signature 10 to 110 position range Set higher than the stop position for a valve closing signature SIG_STOP Ending position point for signature 10 to 110 position range Set lower than the starting position for a closing signature RAMP_RATE 28 Desired rate per minute for ramp Min Minimum value is 1 0 Typically this is set to 100 Very long times could result in com pletely filling the 10K RAM buffer Can only be set when STEP_RAMP in SIG_FLAGS has been selected 1999 Flowserve Corporation Flow Control Division SX FLOWSERVE Vs Parameter SAMPLE _TIME Flow Control Division Logix 1400 Digital Positioner Start up Guide Table 3 Transducer Block Signature Parameters 2 of 2 Description Data acquisition time between samples Value Meaning Seconds Range 0 1 to 2 55 Set to a valid value before run ning signature Typically 0 1 Commenis Determines the number of data points stored in the signature STEP_TIME Delay time after step Seconds Range 0 650 0 Typi cally set to 0 1 Allows settling time to capture valve response to the step Can only be set when STEP_RAMP in SIG_FLAGS is not selected SIG_INDEX Pointer used for data transfer Write the desired packet value Writing a value between 1 and the max number shown in SIG_COUNTER moves that packet of data into the SIG_DATA array for retriev
36. r software or other FF host which describes an FF device DDs allow for custom manufacturer specific features to be added to a FF device and the host to have access to those custom features FF FOUNDATION fieldbus Communications protocol used in the Logix 1400 digital positioner FINAL_VALUE Fieldbus terminology for the positioner s command signal Function Blocks All FF device functions are divided into virtual function blocks For example if the device is capable of performing PID control a PID function exists FVPTB block Flowserve Valve Positioner Transducer block This block handles the configuration calibration and diagnostics for the Logix 1400 digital positioner Logix 1400 digital positioner Flowserve s FOUNDATION fieldbus two wire valve posi tioner mA Milliamperes PID block Proportional Integral Derivative control function block RS block Resource block This block contains basic FF information and configuration data VDC Volts Direct Current 1999 Flowserve Corporation Flow Control Division FT FLOWSERVE x 1999 Flowserve Corporation Flow Control Division Flow Control Division Logix 1400 Digital Positioner Start up Guide FOUNDATION fieldbus Basics The FOUNDATION fieldbus protocol is an all digital two wire method of interconnecting field devices A traditional 4 20 mA analog loop calibrator can not be used with a Logix 1400 digital positioner The positioner always receives its comma
37. rce block are RESTART Processor will reset both the fieldbus and positioner card similar to cycling power Selection of this will cause the device to drop off the net work and then come back up REVSION_ARRY Three elements exist in REVISION_ARRAY Element number 1 closest to the top is the Fieldbus Honeywell Embedded Soft ware version Element number 2 is the Fieldbus Stack Revision level The final element is the Positioner Embedded Code revision MANUFAC _ID This should always equal a 0x00464c53 4607059 this is Flowserve s FF Manufacturer ID num ber Converting this number to ASCII will produce FLS DEV_TYPE This will be 0x0202 This tells the Configurator that the device is a Logix 1400 digital positioner DEV_REV This is the revision level of the device DD_REV This is the revision level of the DDs To create the directory structure for a device go to the DD base directory listed in the NI FBUS Config In that directory create a sub directory that matches the last six digits of the hexadecimal number listed in MANUFAC_ID Do not include the Ox hexadecimal 1999 Flowserve Corporation Flow Control Division FLOWSERVE x Proportional Integral Derivative PID Analog Out AO Flow Control Division Logix 1400 Digital Positioner Start up ET identifier Next create a subdirectory in the MANUFAC_ID directory that matches the DEV_TYPE hexadecimal numbers This directory should be four
38. s the set point or command to which the positioner is controlling After FINAL_VALUE is acted on by Characterization Softstops and FINAL_VALUE_CUTOFF CMD_USED reports the modified or used command value CALIBRATE This parameter initiates Calibration Three types of calibration are avail able stroke pressure sensors advanced models only and stroke time test Stroke time test will measure the stoke speed of the actuator from a 1 percent to 99 percent position and from 99 percent to 1 percent To learn more about calibration refer to the Calibra tion section of this document PRESS CAL Before doing a pressure sensor calibration enter the supply pressure being used in units expressed by PRESS_UNITS SOFTSTOP_HIGH Software imposed stroke limit The positioner will not allow the valve to open beyond the value shown in this parameter SOFTSTOP_LOW Software imposed stroke limit The positioner will not allow the valve to close beyond the value shown in this parameter CYCLE_COUNTER This parameter counts the number of cycles that have occurred 1999 Flowserve Corporation Flow Control Division 15 FLOWSERVE x Flow Control Division Logix 1400 Digital Positioner Start up Guide CYCLE_DEADBAND In order for a cycle to be counted it must be greater than the value in this field CYCLE_LIMIT If CYCLE COUNTER exceeds this value the yellow LED will start to blink and a warning generate in TRAVEL_FLAGS TRAVEL_ENG Total
39. t H gt VIEW_4 read data object data object success Tead PARAMETER SIMULATE read data object DouniesdhEnes 4 HEDE elo xi ese of x success success p A Function Block Application Selector B Loop Time Box C Wire button D Function Block Application Window E Function Block Wiring display Figure 15 Function Block Wiring Window 24 1999 Flowserve Corporation Flow Control Division Can N FLOWSERVE Vs Flow Control Division Logix 1400 Digital Positioner Start up Guide Once the function blocks are virtually wired together the next step is to adjust to sched ule Adjusting the schedule may not be necessary for all configurations but it seems to make downloading the configuration run more smoothly Double click the Schedule Selector to open the Schedule window seen below Execution time of the function blocks is shown in blue Scheduled network time is shown in red Click and slide the function blocks to allow a small amount of time between each The Configurator sched ules execution immediately after the previous block finishes execution Next adjust the loop time Scroll to the end of the schedule and note the total loop execution time Go back to the Function Block Application window and change the value in the Loop Time box Make loop time at least 100ms greater than the total sum of execution times seen in the schedule This extra time allows for unscheduled tasks to ta
40. the rate of change between GAIN_UPPER and GAIN LOWER Same as in the Logix 1200 digital positioner 10 Integral gain IL_OFFSET 30 70 DAC value to hold spool in a null position This value is automatically adjusted during a stroke calibration procedure SOFTSTOP HIGH 110 Software upper stroke limit SOFTSTOP_LOW 10 Software lower stroke limit PRESS_UNITS Psi Units pressure sensors reading are expressed in TEMP_UNITS Degrees F Units temperature is expressed in To set the FVPTB in OOS mode double click on MODE_BLK TARGET in the pop up box check the OOS box Click the Write button With the block mode is set to OOS MODE_BLK ACTUAL OOS editing the parameters is now permitted To change or 1999 Flowserve Corporation Flow Control Division 13 FLOWSERVE x Parameter Definitions 14 Flow Control Division Logix 1400 Digital Positioner Start up Guide edit a parameter double click on the value and make the changes in the Edit box Remember to click the Write button to apply the change LX F015000 XD F015000 F PTB oroso rve galaa esla a 2 All Alarms Trends Tuning Input Output General Information Custom J Periodic Updates 2 sec Parameter E MODE_BLK TARGET E FINAL_VALUE STATUS VALUE A MODE_BLK TARGET must have OOS selected to edit parameters in the FVPTB Fig
41. to the Logix 1400 digital positioner 1999 Flowserve Corporation Flow Control Division FLOWSERVE x 9 Flow Control Division Logix 1400 Digital Positioner Start up Guide Activate the custom curve by selecting Custom Characterization Active in CONTROL_FLAGS NOTE Make sure that neither Quick Opening Curve nor Equal Percent Curve has been selected Write the changes to the Logix 1400 digital positioner Verify the proper operation of the stroke response by incrementally writing values to FINAL_VALUE The Resource block must also be OOS first CMD_USED FINAL_POSITION_VALUE and the valve response should track the desired curve Return the valve to service by returning both MODE_BLKs back to Auto Characterization Retention Once a custom curve has been loaded into the Logix 1400 digital positioners memory it is retained in the EPROM until it is either edited or replaced Turning Custom Character ization Active on or off now selects between a linear response Off or the new custom curve On If either of the other two factory curves is selected it will overwrite the cus tom curve in RAM only The custom curve will automatically be activated again when the factory curve is deselected 1999 Flowserve Corporation Flow Control Division 19 FLOWSERVE x Re Cal Button Stroke Calibration 20 Flow Control Division Logix 1400 Digital Positioner Start up Guide Logix 1400 Digital Positioner Calibration C
42. to the Logix 1400 digital positioner D NH MES N 30 1999 Flowserve Corporation Flow Control Division FX FLOWSERVE St STEP SIGNATURE Collection of Stored Signature Flow Control Division Logix 1400 Digital Positioner Start up Guide 13 The valve will stroke to the beginning position as defined by SIG_ START and will begin ramping to the desired ending position as defined by SIG_STOP Notice that SIG_COUNTER will increment while this takes place Typically approximately 670 data sets will be collected with the above settings and full stroke of the valve Exact numbers will vary 14 SIG_FLAGS indicates SIG COMPLETE 15 Return the MODE_BLK to Auto 16 Notify control room the valve is back on line The stored signature will remain in the Logix 1400 digital positioner volatile RAM until the either the unit is powered down or another signature is taken which overwrites the previous one If a step signature was desired do not select STEP_RAMP in SIG_FLAGS and then set the STEP_TIME prior to selecting BEGIN_SIG The collection of the stored signature is accomplished by the host system It is not part of the device See host system programming A simple utility using National Instruments NIFBUS is available from Flowserve for retrieving a signature file This file is stored in a text format that can be imported into other programs for plotting and analysis Contact Flowserve for more details Contact Informatio
43. ulted for assistance in tuning this block 3 Analog Out AO This function sends the command signal to the transducer block It can receive the signal from another function block or be written to directly from the Configurator 4 Transducer block FVPTB This block converts the command signal FINAL_ VALUE to valve position Positioner configuration calibration and diagnos tics are handled in this block The user should read all documentation that comes with any FF device FF documenta tion can be obtained from the Fieldbus Foundation The final section of this document provides FF contact information To allow for product differentiation the FF specification permits manufacturers to add custom features to an FF device For the host systems to take advantage of these cus tom features the manufacturer supplies a Device Description DD The DDs must be installed correctly for the Configurator to take full advantage of a device s functionality A later section details proper DD installation when using the NI Configurator FLOWSERVE x Flow Control Division Logix 1400 Digital Positioner Start up Guide Hardware Requirements In order to have a FF network the following items are required FF device such as the Logix 1400 digital positioner and the DDs for the device 1 FF power supply 9 32 VDC The Logix 1400 digital positioner draws about 23 mA 2 FF power supply conditioner The power conditioner allows for the commu
44. ure 10 FVPTB Parameter Window The following list summarizes some of the key parameters within the Logix 1400 digital positioner For definitions of parameters not listed use the help window in the NI Config urator The Logix 1400 digital positioner automatically stores changed parameters in non volatile memory whenever the change is made FINAL_VALUE This is the set point or command received by the Logix 1400 digital positioner FINAL_VALUE_CUTOFF_HI If FINAL_VALUE is greater than FINAL_VALUE_CUTOFF_HI the positioner will saturate the actuator in an open posi tion A 1 percent hysteresis added so FINAL_VALUE must be more than 1 percent smaller than FINAL_VALUE_CUTOFF_HI before the positioner will allow the valve to start closing This feature is disabled in SOFTSTOP_HIGH is less than or equal to 100 percent FINAL_VALUE_CUTOFF_LO If FINAL_VALUE is less than FINAL_VALUE_CUTOFF_LO the positioner will saturate the actuator in a closed posi tion A 1 percent hysteresis is added so FINAL_VALUE must be more than 1 percent of FINAL_VALUE_CUTOFF_LO before the positioner will allow the valve to start opening This feature is disabled in SOFTSTOP_LOW is less than or equal to 0 percent FINAL_POSITION_VALUE This is the valve s stem position as sensed by the posi tioner This value is always reported in percent of stroke CONTROL_FLAGS Eight options exist under CONTROL_FLAGS Each option has a significant effect on how the positioner contro
45. w Control Division Logix 1400 Digital Positioner Start up Guide With the function blocks programmed and the schedule adjusted the project can be downloaded Click the Download Project button on the toolbar When the download screen pops up click the Link Masters button In the Link Masters area make sure only the NI card is selected This is only to make the download feature run more smoothly Choose object to download Entire Configuration v interface0 0 J Write Contained Block Parameters MV Clear Devices In Verity Configuration Link Masters 7 interface0 0 Network Parameters A Primary LAS finterface0 0 ID NIC_PCMCIA FBUS_AAGC7F_O Primary Timemaster Jinteface0 0 ID NIC_PCMCIAFBUS AABC7F_O m Link Masters Devices that will receive the L4S schedule Minterface0 0 ID NIC_PCMCIA FBUS_AASC7F_O LX F015000 ID 46405302FD VAL LX1400 00F 0150000 A Download status bar B Ensure the NI Card is selected C Link Masters button Figure 17 Download Projects Windows Function Block Configuration 26 Close the Network Parameters window Click the Download button The status bar will show progress of the download The download can take several minutes Close the win dow once the download is complete The Network in now programed or configured The next step is to configure the function blocks to run automatically Remember that the Resource block mode f
46. wserve Corporation Flow Control Division 5 Flow Control Division FLOWSE RVE Logix 1400 Digital Positioner Start up Guide DD Installation While still in the Configuration utility select BoardO and click the DD Info button Take note of DD base directory field This is the root directory for the DD installation any root directory is acceptable The DDs must be installed in the correct location in order for the Configurator to find them From the directory listed in base root directory field create the sub directory 464C53 In the 464C53 directory create the sub directory 0201 Install the DDs in the 0201 directory Two files with the same four digit hexadecimal name should be found along with different file extensions XXXX ffo and XXXX sym These are the DDs NI FBUS Interface Configuration Utility 2 2 ay NI FBUS E Board0 caf Porto a Ff EL Dd l i me A release The base directory for your Device Descriptions B 464053 c ffiddlrelease A O lt ThiStield can be blank i you do not have manufacturer specific DD info The changes made in FBI Import DD Your standard text dictionary C C NIFBUS data nifb det Browse A DD base directory B Directory Tree for DDs for example used C Install DDs here Figure 3 DD Installation Windows The two sub directories created are specific to the Logix 1400 digital positioner If another device is to
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