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Love Series 16A Temperature/Process Controller Service Manual

1. 11 Theory of Operation 11 Program Setup 12 Ramp Soak Operation 13 AUTO MANUAL OPERATION 16A3 ONLY 15 Operation Self Tune Function 16 Theory of Programming 16 Program Setup and Operation 16 OPERATION AND PROGRAMMING OF OPTIONS 17 MENU SELECTIONS 20 PRIMARY MENU 20 SECONDARY MENU 20 SECURE MENU 28 ALARM TYPE AND ACTION 33 ERROR MESSAGES 37 39 S
2. No display lighted Display is blank Instrument is not getting power or the supply volt age is too low Set point outputs inactive Alarm inactive Check that the power supply is on measure supply voltage check that the external fuses are good FA1L tESt Fail test appears upon power up if the internal diagnostics detect a fail ure This message may occur during operation if a failure is detected Displays flash Fail test may also occur due to an EEPROM error Set point outputs inactive Alarm inactive The display alternates between FA1L tESt and one of the following messages FACt dFLt Memory may be corrupted Restore to the factory default settings Recheck controller programming rEt FACt Unrecoverable error Return to service CHEC SP1 CHEC SP2 CHEC 1SP CHEC 16SP This message will appear upon power up if SP1 SP2 SP1 or SP is set outside of the SPL or SPH values Set point outputs inactive Alarm active Correct the SP1 etc or adjust the SPL or SPH values by programming new values CHEC SPL or CHEC SPH This message appears at power up if SPL or SPH values are programmed outside the input range ends Set point outputs inactive Alarm active Correct the SPL or SPH values by programming new values CHEC rSPt This message appears if the analog remote set point signal is out of range Set point outputs inactive Alarm active
3. The control will revert to SP1 Correction of the analog signal or turning off the rSPt clears the error message CHEC LorE This message appears if the Serial Communications has timed out Set point outputs inactive Alarm active Change the LorE to L0C Restore the communications line and switch LorE back to rE 949 1265 Layout 1 7 22 09 9 04 AM Page 39 Page 40 Hum non Mem Con Pan Dep Weig Age Fron SPECIFICATIONS Selectable Inputs Thermocouple RTD DC Voltage or DC Current selectable Input Impedance Thermocouple 3 megohms minimum RTD current 200 A Current 10 ohms Voltage 5000 ohms Sensor Break Protection De energizes control output to protect system after customer set time See InPt in Secure Menu Set Point Range Selectable See Input Ranges Page 43 Display Two 4 digit 7 segment 0 3 high LEDs Control Action Reverse usually heating Direct usually cooling selectable Proportional Band 1 to 9999 F C or counts Reset Time Integral Off or 0 1 to 99 9 minutes Rate Time Derivative Off or 0 01 to 99 99 minutes Cycle Rate 1 to 80 seconds On Off Differential Adjustable 1 F 1 C or 1 count to full scale in 1 F 1 C or 1 count steps Alarm On Off Differential 1 F 1 C or 1 count Fuzzy Percent 0 to 100 Fuzzy Rate Off or 0 01 to 99 99 counts per second Fuzzy Band Off or 1 to 4000 F C or counts Accuracy 0 25 of span
4. time pro tion t to e ce or nput is 0 he dable 1 Page 27 949 1265 Layout 1 7 22 09 9 04 AM Page 27 Page 28 Addr Option 992 993 995 996 Serial Communications Control Address Set from 1 to 3FF Options 992 and 993 or set from 1 to FF Options 995 and 996 This number hexadecimal base 16 must match the address number used by the host computer Not settable in this menu To change this parameter see Addr in the Secure Menu SECURE MENU Hold UP ARROW amp ENTER for 5 Seconds Press INDEX to dvance to the next menu item Press UP ARROW or DOWN ARROW to change the value in the display Press ENTER to retain the value OUTPUTS ARE DISABLED TURNED OFF WHILE CONTROL IS IN SECURE MENU SECr Security Code See the Security Level Selection and the Password Table in this manual in order to enter the correct password 1nP Input Type Select one of the following Refer to the Wiring section for the proper wiring J 1C Type J Thermocouple CA Type K Thermocouple E Type E Thermocouple t Type T Thermocouple L Type L Thermocouple n Type N Thermocouple r 13 Type R Thermocouple S 10 Type S Thermocouple b Type B Thermocouple C Type C Thermocouple P392 100 ohm Platinum NIST 0 00392 C n120 120 ohm Nickel P385 100 ohm Platinum IEC DIN 0 00385 C 1P38 1000 ohm Platinum IEC DIN 0 00385 C Curr DC Current Input 0
5. DOW The HOL three To s agai Page 12 949 1265 Layout 1 7 22 09 9 04 AM Page 12 n the move med s the rme each ate a uire sired unc t all enu mmer 0FF ount one sec ER cure avoid units Set 1SP to the target value desired for the first ramp This value is in actual units just like SP1 If the control is programmed for temperature then the SP displays are in temperature If the control is programmed for some other engineering unit the SP is set in that unit Press INDEX to continue If Alarm 1 is programmed as an event AL1 EUnt then 1A1 will appear If you wish the Alarm 1 contact to function for this segment set 1A1 is set to 0n If not set for 0FF Press ENTER When 1A1 is set 0n the Alarm 1 function will be active for entire period set 1t above Complete setting the segment times 2ti 16ti segment set point 2SP 16SP and event alarms 2A1 16A1 to 0n or 0FF For unneeded or unused segments set the segment times 2ti 16ti to 0 and set the segment set point 2SP 16SP to the same value as the last active set point A segment alarm may be set to indicate end of run at the segment number you select The last menu item for the ramp soak function is PEnd PEnd determines what the control does when the program has ended You may choose to have the program repeat LooP HoLd the last set point 16SP revert to the local SP1 or turn the out
6. If 0u appe S10 S10 If 0u If 0u mak infor Page Note S1r pow S1r 949 1265 Layout 1 7 22 09 9 04 AM Page 30 Page 31 ctual e stest or at d ction an et ng l set ges ng l set ges This s for This s for d is d is S1St Set Point 1 state Select dir or rE dir Direct Action As the input increases the output will increase Most commonly used in cooling processes rE Reverse Action As the input increases the output will decrease Most commonly used in heating processes If 0ut1 Page 21 is set for tP PUL or ProP then S10L and S10L appear If 0ut1 is set for 0n0F then skip S1rE S10L Set Point Output Low Limit Select 0 to 100 but not greater than S10H This item limits the lowest output value This is useful for adding a bias to the process when needed Factory set to 0 for outputs codes 1 2 3 4 and 8 Factory set to 20 for output code 5 20 out put equals 4 mA output S10H Set Point 1 Output High Limit Select 0 to 100 but not less than S10L for output codes 1 2 3 4 or 8 Select 0 to 102 but not less than S10L for output code 5 This item allows setting the maximum output limit This is useful with processes that are over powered Adjustment to 102 allows seeting current output to force a full on condition for output devices which do not have bias adjustments Factory set to 100 for all output codes If 0ut1 is set for tP PUL or ProP then skip to
7. 0 minutes Whenever an Input is out of range UFL or 0FL displayed shorted or open the timer will start When the time has elapsed the controller will revert to the output condition selected by 1nPb below If 0FF is selected the Input Fault Timer will not be recognized time infinite 1nPb Input Fail Action 16A3 Select FA1L AUE or PrE When the Input is out of range UFL or 0FL displayed and the Input timer 1nPt time has elapsed the controller will revert to the selected condition FA1L Outputs are disabled go to 0 output AUE The outputs will hold at the last known average percentage of output PrE The outputs will maintain preprogrammed percentages of output as specified in PrE1 and PrE2 PrE1 Preset output for Set Point 1 Select 0 to 100 PrE2 Preset output for Set Point 2 Select 0 to 100 949 1265 Layout 1 7 22 09 9 04 AM Page 29 Page 30 APCt Manual and PctO display adjustment 16A3 Select rEAL or AdJ rEAL Manual display will display output 0 to 100 relative to actual range of the output AdJ Manual display will display output 0 to 100 relative to the S 0L and S 0H settings SEnC Sensor Rate of Change Select 0FF 1 to 4000 F C or counts per 1 second period This value is usually set to be slightly greater than the fastest process response expected during a 1 second period but measured for at least 2 seconds If the process is faster than this setting the SEnC bAd error me
8. 0 to 20 0 or 4 0 to 20 0 mA UoLt DC Voltage Input 0 0 to 10 0 or 1 0 to 10 0 volts diFF DC Voltage Input 10 to 10 mV Reserved 0SUP Zero Suppression Select On or OFF Only with Current and Voltage input types 0FF The input range will start at 0 zero Input 0n The input range will start at 4 00 mA or 1 00 V Unit dPt 1nPt 1nPb 949 1265 Layout 1 7 22 09 9 04 AM Page 28 Page 29 ch enu nce nge Unit F C or nonE F F descriptor is On and temperature inputs will be displayed in actual degrees Fahrenheit C C descriptor is On and temperature inputs will be displayed in actual degrees Celsius nonE F and C descriptors will be Off This is only available with Current and Voltage Inputs dPt Decimal Point Positioning Select 0 0 0 0 00 0 000 or 0000 On temperature type inputs a change here will alter the Process Value SP1 SP2 ALLo ALHi and InPC For current and voltage Inputs all Menu Items related to the Input will be affected 0 No decimal Point is selected This is available for all Input Types 0 0 One decimal place is available for Type J K E T L RTD s Current and Voltage Inputs 0 00 Two decimal places is only available for Current and Voltage Inputs 0 000 Three decimal places is only available for Current and Voltage inputs 0000 Four decimal places is only available for Current and Voltage inputs 1nPt Input Fault Timer Select 0FF 0 1 to 540
9. S1LP below If 0ut1 is set to 0n0F in Secondary Menu then the next three menu items can make the SP1 and SP1d settings act like a high or low alarm set point See the information on alarm settings and the cautions and warnings that apply to them on Pages 30 31 Note that when Set Point 1 Power Interrupt S1P is 0n and Set Point 1 Reset S1rE is programmed to HoLd the SP1 output will automatically reset upon a power failure and subsequent restoration if the process is below SP1 S1rE Set Point 1 Reset Select 0n0F or HoLd 0n0F Output will automatically reset when process passes back through SP1d HoLd Manual Reset Reset by simultaneously pressing the INDEX amp DOWN ARROW keys for 3 seconds 949 1265 Layout 1 7 22 09 9 04 AM Page 31 Page 32 S1Pi Set Point 1 Power Interrupt Select 0n or 0FF 0n Alarm Power Interrupt is 0n Output will automatically reset on power up if no alarm condition exists 0FF Alarm Power Interrupt is 0FF Output will be in the alarm condition on power up regardless of condition of process S1iH Set Point 1 Inhibit Select 0n or 0FF 0n Alarm Inhibit is On Alarm action is suspended until the process value first enters a non alarm condition 0FF Alarm Inhibit is OFF S1LP Set Point Lamp Select 0 on or 0oFF 0 on Lamp ON when Output is ON 0oFF Lamp OFF when Output is ON If your control is not equipped with Set Point 2 then proceed to the alarm section next page S2t Set Point 2 ty
10. SIGNAL WIRING IN THE SAME CON DUIT OR CHASE AS THE POWER WIRING ERRATIC OPERATION OR DAMAGE TO THE CONTROL CIRCUITRY WILL OCCUR O PV1 P Curre PV2 P Voltag 992 9 Comm 993 9 Comm 949 1265 Layout 1 7 22 09 9 04 AM Page 6 Page 7 17 amp nt 2 nu n our g wist ons ON OPTION TERMINALS 11 12 6 7 8 PV1 PV SV Retransmission Current e g 4 20 mA na na na PV2 PV SV Retransmission Voltage e g 0 10V na na na 992 996 RS 485 Serial Communications B A na na na 993 995 RS 232 Serial Communications Data In Data Out Signal Ground na na 949 1265 Layout 1 7 22 09 9 04 AM Page 7 The decimal point flashes when Self Tune is operating Keys are illuminated when pressed Key functions are as follows INDEX Menu Navigation Pressing the INDEX key advances the dis play to the next menu item May also be used in conjunction with other keys as noted below UP ARROW Increments a value changes a menu item or selects the item to ON The maximum value obtainable is 9999 regardless of decimal point placement DOWN ARROW Decrements a value changes a menu item or selects the item to OFF The minimum value obtainable is 1999 regardless of decimal point placement ENTER Pressing ENTER stores the value or the item changed If not pressed the previously stored value or item will be retained The dis play will flash once when ENTER is pressed AUTO MANUAL 16A3 This
11. is it s control for proper setting 2 The symbol is used in two ways It is used inside group of characters to indi cate which set point function SP1 or SP2 is being affected It is also used before a group of characters of a menu item to indicate that there may be more than one selection or value for that menu item This is used for certain repeated items such as in the Ramp Soak Program section 3 Features that apply only to Options will be printed in Italics Features that apply only to the 16A3 Series will be notated in the Roman serif type Security Level Menu Status Displaying Value When Viewed Password Value To Enter Primary Locked Secondary Locked Secure Locked 1 1110 Primary Unlocked Secondary Locked Secure Locked 2 1101 Primary Unlocked Secondary Unlocked Secure Locked 3 1011 Primary Unlocked Secondary Unlocked Secure Unlocked 4 111 PASSWORD TABLE 949 1265 Layout 1 7 22 09 9 04 AM Page 10 Page 11 THE HOME DISPLAY The home display is the normal display while the control is operating If no errors or functions are active the HOME display will indicate the Process Variable the tem perature pressure flow RH etc that is being measured on the top display and the Set Variable Set Point 1 on the bottom Items that can change the HOME display are the Auto Manual function the Run Hold function the Pro9 function the Pct0 function and any error message Descrip
12. is such a wonderful thing you might ask why bother with RAM One reason is that RAM is much faster than EEPROM Faster speed gives you better per formance in critical control functions Perhaps the most important reason is that EEPROM has a limit to the number of times it can be erased and re written Current technology now sets that limit at about one million erase write cycles In a dynamic control situation it may be necessary to update RAM every few milliseconds EEPROM can not keep up to that pace and even if it could it would be used up in a matter of days If yo ming to us Add pictu tions cycle Usua pute sitor All 1 only men to R upda The If yo reco mari Mak If yo cont 949 1265 Layout 1 7 22 09 9 04 AM Page 18 Page 19 The uple ime read a PC nlike n not cter pro ptic pro type con ntee vice point s off When per One per er of bout ry to and If you think about how long it would take a million changes to the control program ming through the front key pad you will see that it would take a very long time to get to use up the life of the EEPROM Adding one of the computer communications options e g 992 993 changes the picture The speed of computer communications is such that hundreds of instruc tions can be made in less than a minute In such a situation the million erase write cycles could be used up in a couple of months causing the control
13. menu item is set 0n then the Primary Menu has three additional informa tion items added before SP1 appears The first INDEX item displays the time remain ing in the current segment in the top display and the message ti in the lower display The next INDEX item displays the total time for the active segment in the upper display and the message ti 1ti 16ti in the lower dis play The third INDEX item displays the segment set value in the top display and the message SP 1SP 16SP in the lower display The next INDEX press resumes the normal Primary Menu The trol troub AL k play be th is us If yo DOW impo full c S20H Ass for A and set t To re MAN bum proc PV is 949 1265 Layout 1 7 22 09 9 04 AM Page 14 tion See menu rma main n the nt in dis play ress Page 15 AUTO MANUAL OPERATION 16A3 ONLY The AUTO MANUAL function allows you to manually adjust the output of the con trol This is normally used during process setup or start up It can also be used for troubleshooting To switch from AUTO to MANUAL press the AUTO MANU AL key and hold for three seconds The MANual indicator will light and the lower dis play will change from normal to showing the actual output in percent The value will be the actual percentage of output that was active when the key was pressed This is usually known as bumpless transfer If you wish to change the output whi
14. output A pulse value of 2 provides an output of one second on and two seconds off 33 output Output at center of band equals one second on 2 pulse value 1 seconds off ProP For Current Code 5 outputs only Page 22 949 1265 Layout 1 7 22 09 9 04 AM Page 22 sec es f nd ts g L e put A and nd SELF The Controller will evaluate the Process and select the PID values to maintain good control Active for SP1 only LErn Select YES or no YES Start Learning the Process After the process has been learned the menu item will revert to no no Learning will stay in present mode dFAC Damping factor select 0FF 1 to 7 Sets the ratio of Rate to Rate for the SEL tunE mode 7 most Rate Factory set to 3 For a fast response process the value should be low ered less Rate For a slower process the value should be increased more Rate Pid Manually adjust the PID values PID control consists of three basic parameters Proportional Band Gain Reset Time Integral and Rate Time Derivative Pb1 Proportional Band Bandwidth Select 1 to 9999 F C or counts Pb2 Proportional Band Bandwidth Select 1 to 9999 F C or counts Appears only if control is equipped with second set point and 0ut2 is NOT selected as 0n0F Page 23 949 1265 Layout 1 7 22 09 9 04 AM Page 23 FrtE PEA UAL Pct0 Pro9 PSEt StAt Page 24 rES Automatic Reset Time Select 0FF 0 1 to 99 9 minutes Select
15. rtE parameters under the Pid tunE selection and the Fbnd and FrtE parameters as shown in the Secondary Menu These values are determined by measuring the response of the process con nection to the control While in this mode the control measures the overshoot and undershoot of the process and the period of the process the time from peak value to the next peak value These measurements are collected over a period that lasts three periods of overshoot and undershoot The data collected over this time is effect of Fuzzy Logic on the process is still controlled by the Fint fuzzy intensity setting If Fint is 0 the Fbnd and FrtE will be calculated but will have no effect The calcu lations for the PID values are the same as used in the standard Ziegler Nichols equations that have been recognized as standard for decades The only modification to the application of the Ziegler Nichols equations is con trolled by the dFAC menu item This menu item controls the amount of rate deriva tive that is applied A dFAC setting of 3 factory default or less allows for less damp ing A dFAC setting of 4 allows for critical damping as set forth in Ziegler Nichols A dFAC setting of 5 or more allows over damping of the process Program Setup and Operation Do not cool the process or add heat while the tuning is occurring In the secondary menu set tunE to SELF Skip LErn and check to make sure that dFAC is set to the desired value Back up to LErn a
16. the ambient temperature of the control is out of range or RJC sensor is broken Set point out puts active Alarm active Correct the ambient tempera ture conditions Ventilate the area of the cabinet or check for clogged filters If internal temperature sensor is broken return for service ERROR MESSAGES Any error message may be cleared by using the Global Reset by pressing and holding the INDEX amp ENTER keys for five seconds 949 1265 Layout 1 7 22 09 9 04 AM Page 37 Page 38 ERROR MESSAGES Any error message may be cleared by using the Global Reset by pressing and holding the INDEX amp ENTER keys for fi ve seconds A DISPLAY MEANING SP OUTPUTS ACTION REQUIRED UFL or 0FL bAd 1nP 0PEn 1nP Underflow or Overflow Process value has exceeded input range ends UFL or 0FL will sequence to display one of these messages if the InPt is set for a time value For RTD inputs RTD is open or shorted For THERMOCOUPLE inputs thermocouple is open Set point outputs active Alarm active Set point outputs inactive Alarm active May be normal if Input signals go above or below range ends If not the case check sensor input wiring and correct When 1nPt input fault timer has been set for a time the outputs will be turned off after the set time Setting the time to 0FF causes the outputs to remain active however UFL or 0FL will still be displayed Correct or repl
17. 0FF to switch to 0FS 0FS Manual Offset correction Select Select 0FF 0 1 to 99 9 percent Select 0FF to switch to rES rtE Rate Time Select 0FF 0 1 to 99 9 minutes Derivative SL0 PID values are preset for a slow response process nor PID values are preset for a normal response process FASt PID values are preset for a fast response process Pid2 Linkage of PID parameters between SP1 and SP2 Select 0n or 0FF 0n Applies SP1 rES rtE Fbnd and FrtE terms to SP2 for heat cool applications 0FF SP2 functions without rES rtE Fbnd and FrtE ArUP Anti Reset Windup Feature Select 0n or 0FF 0n When ArUP is 0n the accumulated Reset Offset value will be cleared to 0 when the process input is not within the Proportional Band 0FF When ArUP is 0FF the accumulated Reset Offset value is retained in memory when the process input is not within the Proportional Band ArtE Approach Rate Time Select 0FF 0 01 to 99 99 minutes The function defines the amount of Rate applied when the input is outside of the Proportional Band The ArtE time and the rtE time are independent and have no effect on each other To increase damping effect and reduce over shoot set the approach rate time for a value greater than the natural rise time of the process natural rise time process value time to set point Fint Fuzzy Logic Intensity Select 0 to 100 0 is OFF disables Fuzzy Logic The function defines the amount of impact F
18. 1 least signifi cant digit Resolution 1 degree or 0 1 degree selectable Line Voltage Stability 0 05 over the supply voltage range Temperature Stability 4 V C 2 3 V F typical 8 V C 4 5 V F maximum 100 ppm C typical 200 ppm C maximum Common Mode Rejection 140 db minimum at 60 Hz Normal Mode Rejection 65 db typical 60 db at 60 Hz Isolation Relay and SSR outputs 1500 Vac to all other inputs and outputs SP1 and SP2 Current output 500 Vac to all other inputs and outputs but not isolated from each other SP1 and SP2 Switched Voltage output 500 Vac to all other inputs and outputs but not isolated from each other Process Output 934 936 500 VAC to all other inputs and outputs Supply Voltage 100 to 240 Vac nominal 10 15 50 to 400 Hz single phase 132 to 240 Vdc nominal 10 20 Supply Voltage Option 9502 12 to 24 Vdc Vac 40 400 Hz 20 Power Consumption 5VA maximum Operating Temperature 10 to 55 C 14 to 131 F Storage Temperature 40 to 80 C 40 to 176 F 949 1265 Layout 1 7 22 09 9 04 AM Page 40 Page 41 Humidity Conditions 0 to 90 up to 40 C non condensing 10 to 50 at 55 C non condensing Memory Backup Nonvolatile memory No batteries required Control Output Ratings SSR 2 0 A combined outputs A amp B 240 VAC at 25 C 77 F Derates to 1 0 A 55 C 130 F Relay SPST 3 A 240 VAC resistive 1 5A 240 VAC inductive Pilot duty rating 2
19. 10 11 11 11 12 13 15 16 16 16 17 20 20 20 28 33 7 39 40 44 d for to a W amp ENTER keys for 5 Seconds see Page 28 Press the INDEX key until the dis play shows 1nP and press the DOWN ARROW until the display shows P385 Don t forget to press the ENTER key to retain your setting Next press the INDEX key to display Unit Press the DOWN ARROW until the display shows C Press ENTER Next press the INDEX key until SPL is displayed pass the dPt and 1nPt selec tions Press the UP ARROW until the display shows 0 Press ENTER Finally press INDEX key to display SPH Press the DOWN ARROW until the display shows 300 Press ENTER The necessary program changes are now complete After 30 seconds the display will switch back to the temperature reading If you want to return faster press the UP ARROW and ENTER keys at the same time and then press the DOWN ARROW and INDEX keys again at the same time This will back out of the menu and immediately display the temperature reading If you want to use Self Tune or Auto Manual features see the special sections on these items Page numbers for these are in the Contents section on the previous page MODEL IDENTIFICATION 16A Page 3 wire wiring rt on your ces the ages Option Description 992 RS 485 Serial Communications Lovelink protocol 993 RS 232 Serial Communications Lovelink protocol 995 RS 232 Seria
20. 40 VA 2 A 120 VAC or 1 A 240 VAC Alarm Relay SPST 3 A 240 VAC resistive 1 10 HP 120 VAC Current isolated 0 to 20 mA across 600 ohms maximum Switched Voltage isolated 15 VDC 20 mA DC SSR 1 75 A 32 Vdc maximum Panel Cutout 45 mm x 45 mm 1 775 x 1 775 Depth Behind Mounting Surface 121 6 mm 4 79 maximum Weight 220 g 8 oz Agency Approvals UL C UL E83725 CE Front Panel Rating IP66 UL Type 4X s 949 1265 Layout 1 7 22 09 9 04 AM Page 41 Page 42 992 RS 485 Series Communications Port Compliance EIA 485 Isolation 500 VAC Protocol Lovelinks II Address Range 001H or 3FFH Baud Rates 300 1200 2400 4800 9600 19 2k 28 8k 57 6k Mode Half duplex Character 8 bits 1 start 1 stop no parity Number of units on line ports1 32 Cable Lengths1 6 000 ft 1 828 m Termination 120 Ohms balanced 993 RS 232 Series Communications Port Compliance RS 232C Isolation 500 VAC Protocol Lovelinks II Address Range 001H or 3FFH Baud Rates 300 1200 2400 4800 9600 19 2k 28 8k 57 6k Mode Half duplex Character 8 bits 1 start 1 stop no parity Number of units on line ports 1 Cable Lengths1 25 ft 7 6 m 995 RS 232 Series Communications Port Compliance RS 232C Isolation 500 VAC Protocol MODBUS RTU Address Range 001H or 0FFH Baud Rates 300 1200 2400 4800 9600 19 2k Mode Half duplex Character 8 bits 1 start 1 stop no parity Numbe
21. 6ti 16SP 16A1 To avoid repetition each item will only be described once 1ti Segment Time 16A3 Select 0 to 9999 units minutes if tbAS is set to 60_S seconds if tbAS is set to 1_S 1SP Segment Set Point 16A3 Set to target value desired 1A1 Segment Alarm 1 Event 16A3 Select 0n or 0FF 0n Alarm 1 is active during segment 1 time 1ti 0FF Alarm 1 is inactive during segment 1 time 1ti PEnd Program End Action 16A3 Select HoLd or 0oFF HoLd Stay at the Present Set Point 16SP 0oFF Turn Off SP1 and SP2 Outputs at the end of the program LooP Repeat program starting at1t SP1 Revert to SP1 value 1nPC Input Correction Select 500 to 0 to 500 F C or counts This feature allows the input value to be changed to agree with an external reference or to compensate for sensor error Note 1nPC is reset to zero when the input type is changed or when decimal position is changed Factory default is 0 FiLt Digital Filter Select 0FF 1 to 99 In some cases the time constant of the sensor or noise could cause the display to jump enough to be unreadable A setting of 2 is usually sufficient filtering 2 represents approximately a 1 second time constant When the 0 1 degree resolution is selected this should be increased to 4 If this value is set too high controllability will suffer Page 26 949 1265 Layout 1 7 22 09 9 04 AM Page 26 LPbr Loop Break Protection Select 0FF 1 to 9999 seconds I
22. 9 04 AM Page 8 dis ther he imal ects s of If dis ween onds ions ram acti mul or ec keys menu has arm ous Page 9 ing the control similar to turning power off and on Global Reset will allow recov ery from errors and reset the following menu items AL i H Alarm inhibit 0PEn 1nP Input error bA nP Input err CHEC CAL Check calibration Correct the problems associated with the above conditions before using the reset keys More than one error could present Caution is advised since several items are reset at one time While in the Primary or Secondary Menu if no key is pressed for a period of 30 seconds the display will return to the HOME position displaying the temperature value While in the Secure Menu if no key is pressed for a period of 60 seconds the display will return to HOME position displaying the temperature value Outputs are disabled turned off when the Secure Menu is active NOTE To move the Primary Menu quickly from any other menu press the UP ARROW amp ENTER keys followed by pressing the INDEX amp DOWN ARROW keys SECURITY LEVEL SELECTION Four levels of security are provided The display shows the current security level To change security levels change the password value using the UP ARROW and DOWN ARROW keys and press the ENTER key Refer to the password table for the correct value to enter for the security level desired The SECr menu item security l
23. Instructions for the 16A2 amp 16A3 Series Microprocessor Based Temperature Process Control LOVE CONTROLS DIVISION Phone 219 879 8000 DWYER INSTRUMENTS INC www love controls com P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A e mail love love controls com Bulletin 949 1265 949 1265 Layout 1 7 22 09 9 04 AM Page 1 CONTENTS GETTING STARTED 2 MODEL IDENTIFICATION 3 INSTALLATION 4 WIRING 5 Wiring for 4 to 20mA Transmitter Inputs 6 Wiring for Optional Inputs and Outputs 6 FRONT PANEL KEY FUNCTIONS 8 Security Level Selection 9 NOTATION CONVENTIONS FOR THE MENUS 10 THE HOME DISPLAY 11 Programming and Operation for Ramp Soak Feature 16A3 Only
24. M RESTORATION OF POWER WILL NOT CAUSE THE ALARM TO OCCUR IF THE PROCESS VALUE DOES NOT FIRST DROP BELOW THE HIGH ALARM SETTING DO NOT USE THE ALARM INHIBIT FEATURE IF A HAZARD IS CREATED BY THIS ACTION BE SURE TO TEST ALL COMBINA TIONS OF HIGH AND LOW ALARM INHIBIT ACTIONS BEFORE PLACING CONTROL INTO OPERATION 949 1265 Layout 1 7 22 09 9 04 AM Page 34 Page 35 The following menu items apply only to the alarm AL1 Alarm 1 function Select 0FF Lo Hi HiLo or EUnt 0FF Alarm 1 is disabled No Alarm 1 menu items appear in the Secondary or Secure menus Lo Low Alarm Only A1Lo appears in the Secondary Menu Hi High Alarm Only A1Hi appears in the Secondary Menu HiLo High and Low Alarms Both A1Lo and A1Hi appear in the Secondary Menu and share the same Alarm 1 Relay output EUnt Alarm 1 is controlled by the Ramp Soak program function 16A3 See Pages 11 14 and 26 A1 for further information If AL1 is set to 0FF and the control is not equipped with options the Secure Menu ends here If AL1 is set to 0FF and the control is equipped with options proceed to SPSA Addr or rSCL below If AL1 is set to EUnt go to A1St below A1t Alarm 1 Type Select AbS or dE AbS Absolute Alarm that may be set anywhere within the values of SCAL and SCAH and is independent of SP1 dE Deviation Alarm that may be set as an offset from SP1 As SP1 is changed the Alarm Point will track with SP1 A1rE Alarm 1 Reset Select 0n0F or HoL
25. PECIFICATIONS 40 DIMENSIONS 44 GETTING STARTED 1 2 3 Take the example of a Model 16A3010 that comes from the factory programmed for type J thermocouples Suppose for this example you wish to change the input to a 100 ohm Platinum RTD and limit the set point range between 0 and 300 C First enter the Secure menu by pressing and holding the UP ARROW amp ENT play Don Next until Next tions Fina the d The switc out If yo thes page Install the control as described on page 4 Wire your control following the instructions on page 5 If you are using a two wire transmitter as an input see the drawing and instructions on page 6 Option wiring instructions are on Page 7 Option descriptions and specific instructions start on page 13 Most controls do not need many if any program changes to work on your process For best results when changing the programming make all the neces sary changes in the Secure Menu page 28 before making changes to the Secondary Menu page 20 If error messages occur check the Error Messages on page 37 39 for help Page 2 Optio 992 993 995 996 9502 The option Fe 2 3 949 1265 Layout 1 7 22 09 9 04 AM Page 2 2 3 4 5 6 6 8 9
26. ace sensor Clear with Global Reset L00P bAd The sensor may be defective heater fuse open heater open or the final power output device is bad Set point outputs inactive Alarm active Correct or replace sensor or any element in the control loop that may have failed Correct the problem SEnC bAd Sensor Rate of Change exceeded the programmed limits set for SEnC Set point outputs inactive Alarm active Check for the cause of the error The value setting may be too slow for the process or the sensor is intermittent Correct the problem CHEC CAL Check calibration appears as an alternating message if the instrument cali bration nears tolerance edges Check calibration appears as a flashing message if the instru ment calibration exceeds specification Set point outputs inactive Alarm active Set point outputs inactive Alarm active Remove the instrument for service and or recalibration Remove the instrument for service and or recalibration DIS No li F t 1 C C C r C L 949 1265 Layout 1 7 22 09 9 04 AM Page 38 Page 39 ERROR MESSAGES Any error message may be cleared by using the Global Reset by pressing and holding the INDEX amp ENTER keys for fi ve seconds D nals nds sor er he fter me to L or r or oop e ay or for ion for ion DISPLAY MEANING SP OUTPUTS ACTION REQUIRED
27. and communication baud rate with the Addr and bAUd menu items in the Secure Menu NOTE THE BAUD RATE AND ADDRESS MENU ITEM SETTINGS WILL TAKE EFFECT ON THE NEXT POWER UP OF THE CONTROL BE SURE TO TURN THE POWER TO THE CONTROL OFF AND ON BEFORE USING THE NEW BAUD RATE AND ADDRESS VALUES In operation you have the option of preventing a write command from the host com puter To prevent the host from writing to the control change the L0rE menu item in the Secondary Menu to L0C To allow the host to write commands to the control set L0rE to rE The host does have the ability to change the L0rE state but it is not automatic If your system depends on constant reading or writing to and from the host you may wish to set the No Activity Timer nAt to monitor the addressing of the control When the L0rE is set to rE and the nAt is set to any value other than Off the control will expect to be addressed on a regular basis If the control is not addressed in the time set by the value of nAt then the control will display the error message CHEC L0rE To clear the message set L0rE to L0C 949 1265 Layout 1 7 22 09 9 04 AM Page 17 Page 18 Serial Communications Options and Non volitile Memory There are many different types of memory used in computer driven devices The terms RAM random access memory and ROM read only memory are a couple with which you may be familiar RAM is used in computers to run programs and hold data for a short peri
28. d 0n0F Automatic Reset HoLd Manual Reset Reset acknowledge by simultaneously pressing the INDEX amp DOWN ARROW keys for 3 seconds A1Pi Alarm 1 Power Interrupt Select 0n or 0FF 0n Alarm Power Interrupt is 0n 0FF Alarm Power Interrupt is 0FF A1iH Alarm 1 Inhibit Select 0n or 0FF 0n Alarm Inhibit is 0n Alarm action is suspended until the process value first enters a non alarm condition 0FF Alarm Inhibit is 0FF A1St Alarm 1 Output State Select CL0S or 0PEn CL0S Closes Contacts at Alarm Set Point 0PEn Opens Contacts at Alarm Set Point t me RS NOT G S NA RE 949 1265 Layout 1 7 22 09 9 04 AM Page 35 Page 36 Page 36 A1LP Alarm 1 Lamp Select 0on or 0oFF 0on Alarm Lamp is ON when alarm contact is closed 0oFF Alarm Lamp is OFF when alarm contact is closed A1Lb Alarm 1 Loop Break Select 0n or 0FF 0n Loop Break Condition will cause an Alarm Condition 0FF Loop Break will not affect the Alarm Condition Addr Option 992 993 995 996 Serial Communications Control Address Set from 1 to 3FF for Options 992 and 993 Set from 1 to FF for options 993 and 995 This number hexadecimal base 16 must match the address number used by the host computer Power to instrument must be turned off and on before change takes effect see Page14 bAUd Option 992 993 995 996 Serial Communications Communication Baud Rate Select 300 1200 2400 4800 9600 baud 19 2 28 8 or 57 6 kbaud
29. d outputs and other wiring See the Secure Menu for input selection WIRING 949 1265 Layout 1 7 22 09 9 04 AM Page 5 Page 6 OUTPUTS Rear View showing center block of wiring terminals Output A Output B For AC SSR or relay type outputs Output Codes 1 or 3 15 amp 16 and 17 amp 18 are normally open See Rating Label for details For Pulsed DC Current or DC SSR ouputs Output codes 2 4 or 8 15 amp 17 are positive 16 amp 18 are negative Note Factory default assigns Output A to Set Point 1 and Output B to Set Point 2 If necessary these realtionships may be reversed See SP 10 in the Secure Menu Wiring power and ouputs as shown above Two wire transmitters wire as shown below View is of instrument as seen from the rear to show wiring terminals For three or four wire transmitters follow the wiring instructions provided with your transmitter CAUTION DO NOT WIRE THE 24 VOLT POWER SUPPLY ACROSS THE INPUT OF THE CONTROL DAMAGE TO THE CONTROL INPUT CIRCUITRY WILL OCCUR Wiring for 4 to 20mA Transmitter Inputs Options are described on Page 3 Detailed option programming and operation starts on Page 13 Wire power and outputs as shown on Pages 5 and 6 Wiring for options is shown opposite All wiring shown above is CLASS 2 Shielded twist ed pair is required for Options 992 and 994 Shielded cable is required for Options 993 and 995 Wiring for Optional Inputs and Outputs CAUTION DO NOT RUN
30. dition for output devices which do not have bias adjustments Factory set to 100 for all output codes If 0ut2 is set to 0n0F in the Secondary Menu then the next three menu items can make the SP2 and SP2d settings act like a high or low alarm set point See the information on alarm settings and the cautions and warnings that apply to them on the next pages Note that when Set Point 2 Power Interrupt S2Pi is On and Set Point 2 Reset S2rE is programmed to Hold the SP2 output will automatically reset upon a power failure and subsequent restoration if the process is below SP2 S2rE Set Point 2 Reset Select 0n0F or Hold 0n0F Output will automatically reset when process passes back through SP2d HoLd Manual Reset Reset acknowledge by simultaneously pressing the INDEX amp DOWN ARROW keys for 3 seconds S2Pi Set Point 2 Power Interrupt Select On or OFF 0n Alarm Power Interrupt is On Output will automatically reset on power up if no alarm condition exists 0FF Alarm Power Interrupt is OFF Output will be in the alarm condition on power up regardless of condition of process S2iH Set Point 2 Inhibit Select On or OFF 0n Alarm Inhibit is On Alarm action is suspended until the process value fi rst enters a non alarm condition 0FF Alarm Inhibit is OFF S2LP Set Point 2 Lamp Select O on or OoFF 0on Lamp ON when Output is ON 0oFF Lamp OFF when Output is ON ALARM TYPE AND ACTION if alarm function is present Ca
31. evel may be viewed or changed at any time regardless of the present security level Example To set security access level to 2 at the SECr menu item press the UP ARROW key until the upper display shows the password for level 2 access 1101 Press the ENTER key The display will blink and return with the level value 2 in the upper display The password values shown in the table cannot be altered so retain a copy of these pages for reference This is the only reference made to password values in this intruction book 949 1265 Layout 1 7 22 09 9 04 AM Page 9 The func pera Set V Item Run Desc If the disp but t cent ber s but p the o Ope If Pr Pres Prog If Pc perc Auto the o the c perc Erro The set p gram any The The Rath per m i Page 10 NOTATION CONVENTIONS FOR THE MENUS Because of the number of features available in this control information is included that may not apply to your specific control All usable features are included in this book but may not be used in your process To increase clarity the following con ventions are used 1 Certain features menu items and function shown in this book may or may not appear on your control depending on other menu item selections At various places in the menus there are notes identifying menu items that control or direct other menu items If you are looking for a particular menu item and can t find it check the menu item that
32. f during operation the output is minimum 0 or maximum 100 and the input moves less than 5 F 3 C or 5 counts over the time set for LPbr the L00P bAd mes sage will appear This condition can also be routed to an Alarm Condition if alarms are present and turned On see ALbr in the Secure Menu The loop break error can be reset by pressing the ENTER key when at the LPbr menu item The INDEX amp ENTER keys may also be used L0rE Option 992 993 995 996 Serial Communications Local Remote Status Select L0C or rE Does not affect other instruments on daisy chain L0C The host computer is advised that remote write commands will be rejected Any write commands sent to this control will be rejected All read commands are accepted rE The host computer is allowed to send write commands If the control is not addressed within the time set in nAt No Activity Timer in the Secure Menu the CHEC LorE error message will be displayed P0L Option 934 936 Analog Retransmission Output Process Output Low Select 450 F 260 C or 1999 counts to any value less than P0H P0H Option 934 936 Analog Retransmission Output Process Output High Select from any value greater than P0L to 9999 F 5530 C or 9999 counts P0Sr Option 934 936 Analog Retransmission Output Process Output Source Select 1nP or SPt 1nP Process output follows the Process Variable input SPt Process output follows the Set Variable SP1
33. for Options 992 and 993 Select 300 1200 2400 4800 9600 baud or 19 2 kbaud for Options 995 and 996 This number must match the baud rate used by the host computer Power to instrument must be turned off and on before change takes effect see Page 14 nAt Option 992 993 995 996 Serial Communications No Activity Timer Select 0FF or 1 to 99 minutes 1 99 Maximum time between host computer accesses If timer counts to 0 CHEC LorE will be displayed 0FF No Activity Timer function is disabled Stor Option 992 993 995 996 Serial Communications Store to EEPROM Select YES or no See additional information on page 18 YES Menu Items changes made through the Serial Communications are stored directly to the EEPROM no Menu items changes made through the Serial Communications are stored directly in RAM DI A Alt w A A 949 1265 Layout 1 7 22 09 9 04 AM Page 36 Page 37 Set 993 s ed off Baud 0 atch e unts s are s are DISPLAY MEANING SP OUTPUTS ACTION REQUIRED ArEA Alternates with PV This message appears if the ambient tempera ture of the control approaches the ends of tolerance Set point out puts active Alarm active Correct the ambient tempera ture conditions Ventilate the area of the cabinet or check for clogged filters If internal temperature sensor is broken RJC located in terminal 2 return to service ArEA This message appears if
34. ier 949 1265 Layout 1 7 22 09 9 04 AM Page 19 0ut MENU SELECTIONS PRIMARY MENU Press INDEX to advance to the next menu item Press UP ARROW or DOWN ARROW to change the value in the display Press ENTER to retain the value If StAt Secondary Menu 16A3 is 0n the three program status menu items shown on Page 14 will precede the folowing SP1 Set Point 1 Adjust Control Point 1 SP2 Set Point 2 Adjust if equipped Control Point 2 SECONDARY MENU Hold UP ARROW amp ENTER Press INDEX to advance to the next menu item Press UP ARROW or DOWN ARROW to change the value in the display Press ENTER to retain the value A1Lo Alarm 1 Low The Low Alarm point is usually set below the Set Point May not appear depending on AL1 setting in Secure Menu A1Hi Alarm 1 High The High Alarm Point is usually set above the Set Point May not appear depending on AL1 setting in Secure Menu Page 20 949 1265 Layout 1 7 22 09 9 04 AM Page 20 0ut1 Output selection Select 0n0F tP PuL or ProP 0n0F A setting of 0n0F allows the control to operate in simple on off mode This setting forces the control to turn off at set point and on at the set point plus the differential SP1d When selected the 0ut1 0n0F menu items is followed by SP 0d and the tunE Pb rES 510L and 510H selections in the Secure menu are suppressed SP1d Set Point On Off Differential hysteresis Set for the amount of difference between the turn off
35. key toggles the control output between Automatic mode and Manual mode Press and hold key for three seconds to activate See section on Ramp Soak Page 11 for further details RUN HOLD 16A3 This key toggles the Ramp Soak program functions between Run mode program runs as set up and Hold mode program functions are suspended Press and hold key for three seconds to acti vate See section on Auto Maunal Operation on page 14 Page 8 UP ARROW amp ENTER Menu Access Pressing these keys simul taneously brings up the secondary menu starting at the alarm tune or cycle item depending on programming Pressing these keys for 5 sec onds will bring up the secure menu INDEX amp DOWN ARROW Menu navigation Pressing these keys simultaneously will allow backing up one menu item or if at the first menu item they will cause the display to return to the primary menu INDEX amp DOWN ARROW Alarm Reset If an alarm condition has occurred press and hold these keys for three seconds to reset the alarm Note that the alarm condition will not reset if the alarm condition still exists INDEX amp ENTER Global Reset Pressing these keys simultaneous ly and holding them for 5 seconds forces a warm boot restart FRONT PANEL KEY FUNCTIONS ing t ery f A b Corr keys rese Whil seco value the d are d NOT DOW Four chan table item secu Exam UP A 1101 value The thes this 949 1265 Layout 1 7 22 09
36. l Communications Modbus protocol 996 RS 485 Serial Communications Modbus protocol 9502 12 24 Vdc Vac 50 400 Hz power supply control operates on low voltage equipment These options may not be combined with each other Option 9502 may be combined with any other options Features 2 Standard 3 Enhanced Alarm 0 No 1 Yes Output A 1 SSR 2 15 VDC 3 Relay NO 4 Relay NC 5 Current 8 DC SSR Output B 0 None 1 SSR 2 15 VDC 3 Relay NO 4 Relay NC 5 Current 8 DC SSR Options blank if none 949 1265 Layout 1 7 22 09 9 04 AM Page 3 Page 4 INSTALLATION Mount the instrument in a location that will not be subject to excessive temperature shock or vibration All models are designed for mounting in an enclosed panel Select the position desired for the instrument on the panel If more than one instru ment is required maintain the minimum of spacing requirements as shown on the drawing below Closer spacing will structurally weaken the panel and invalidate the IP66 UL type 4X rating of the panel Prepare the panel by cutting and deburring the required opening All Tolerances are 0 00 0 60mm 0 000 0 020 in From the front of the panel slide the housing through the cut out The housing gas ket should be against the housing flange before installing From the rear of the panel slide the mount ing collar over the housing Hold the hous ing with one hand and using
37. le in manual press the UP ARROW or DOWN ARROW keys to change the value and press ENTER to retain it It is important to remember that the value of the display can be read as 0 to 100 of the full control output or 0 to 100 of the range between S10L and S10H or S20L and S20H If APCt is set for rEAL a reading of 50 in MANUAL represents 10 mA Assuming a current output regardless of the S10L and S10H settings If APCt is set for AdJ then 50 in MANUAL will represent the mid point in output between S10L and S10H Assuming a current output 4 to 20 mA with S10L set to 20 and S10H set to 100 50 will represent 12 mA To return to AUTOmatic control press the AUTO MANUAL key again The MANual indicator will go out and the set point will take over However if you want bumpless transfer back to AUTO slowly change the percentage of output until the process variable matches or at least is close to the set point The further away the PV is from the set point the greater the bump or upset there will be in the out put 949 1265 Layout 1 7 22 09 9 04 AM Page 15 Page 16 Operating of Self Tune Function Self Tune allows automatic selection of the necessary parameters to achieve best control operation from your 16A2 amp 16A3 Series control If you are using the con trol output as a simple on off function 0ut 1 set for 0n0F none of the following will apply Theory of Operation The Self Tune function calculates the Pb1 rES and
38. mp Soak feature offers a great deal of flexibility by allowing changes in the set point to be made over a predetermined period of time Dwell times can be pro grammed and the alarm output relay can be programmed to open or close during any of the segments Theory of Operation The 16A3 Series controls offer a very simple approach to programming a ramp Rather than requiring the operation to calculate an approach rate usually in degrees per minute the 16A3 does the calculation internally Thus the operator only needs i i ed his on ot t indi ore one ch pply To 949 1265 Layout 1 7 22 09 9 04 AM Page 11 to program the target set point and the time desired to reach that point When the ramp segment is executed by the control it calculates the ramp required to move the process from the starting value current PV to the desired value programmed SP in the time allowed Soaks or dwells are ramp segments where the target set point is the same as the beginning process value This allows for multistage ramps without wasting interme diate soak steps Care must be taken however that the process does actually reach the soak value before the soak time starts If not the next segment will calculate a slope from the starting PV to the target SP Depending on your process require ments this difference may be important Make sure to test any program for desired results before running production material Do not
39. nd set to YES The control will begin the Self Tune function While the Self Tune function is active the right hand decimal point on the lower display will blink When Self Tune is complete the blinking will stop After Self Tune is complete the tunE setting automatic switches to Pid This allows examination and or modification of the values calculated We recommended that you do not change the calculated values unless you have a firm understanding of the parameters involved and their function Opti The a rem throu Wire cont acro Sele men NOT EFFE POW AND In op pute the S L0rE auto If yo wish the L expe set b To c 949 1265 Layout 1 7 22 09 9 04 AM Page 16 Page 17 est on ng Pid dary con and value asts ffect ting alcu chols con riva amp ls A dary o the Tune n the ows you f the OPERATION AND PROGRAMMING OF OPTIONS Option 992 993 995 996 Serial Communication The serial communications options allow the control to be written to and read from a remote computer or other similar digital device Communication is allowed either through a RS 485 Option 992 996 port or a RS 232 Option 993 995 port Wire the communication lines as shown on Page 7 Wiring for the RS 485 is run from control to control in a daisy chain fashion with a termination resistor 120 ohms across the transmit and receive terminals of the last control in the chain Select the control address
40. o 875 Current Voltage Voltage2 Scalable Units from 1999 to 9999 1 These Input Types can be set for 0 1 display If temperature goes above 999 9 or less than 199 9 the display will return to whole degree resolution 2 The 0 to 20 mADC 4 to 20 mADC 0 to 10 VDC 2 to 10 VDC and 10 to 10 mVDC inputs are fully scalable from a minimum of 100 counts span placed any where within the within the range of 1999 to 9999 Decimal point position is adjustable from the zero place 9999 tenths 999 9 hundredths 99 99 thou sandths 9 999 or ten thousandths 9999 949 1265 Layout 1 7 22 09 9 04 AM Page 43 LOVE CONTROLS DIVISION Phone 219 879 8000 DWYER INSTRUMENTS INC www love controls com P O BOX 373 MICHIGAN CITY INDIANA 46361 U S A e mail love love controls com Copyright 2009 Dwyer Instruments Inc Printed in U S A 7 09 FR 949 1265 Rev 7 949 1265 Layout 1 7 22 09 9 04 AM Page 44
41. o equipped The display will alternate between these values 0FF Percent Output display is disabled Pro9 Ramp Soak Feature 16A3 Select 0n or 0FF 0n Allows Programmed Ramp Soak function to be started by the Run Hold key on the control front panel 0FF Turns Ramp Soak function 0FF and resets program to beginning PSEt Programmer function set 16A3 Select 0n or 0FF 0FF Skip Ramp Soak Programming Go to next Secondary Menu Item 1nPC on the next page 0n Enable Ramp Soak Programming StAt Programmer Status Display in the Primary Menu when Prog above is On 16A3 Select 0n or 0FF 0FF The Primary Menu operates as normal 0n The Primary Menu is altered to have the following items inserted before the SP1 menu item ti time remaining in active segment ti total time in active segment SP segment target set point es 9 e cool onal ned al nd over time gic e band 1 for o Page 25 949 1265 Layout 1 7 22 09 9 04 AM Page 25 LPbr L0rE P0L P0H P0Sr tbAS Ramp Soak Time Base 16A3 Select 1_S or 60_S 1_S Ramp Soak time base is in 1 second increments Program time 1ti 16ti is measured in seconds 60_S Ramp Soak time base is in 60 second increments minutes Program time 1ti 16ti is measured in minutes The following items repeat in the following order 1ti 1SP 1A1 if AL1 is pro grammed as EUnt 2ti 2SP 2A1 1
42. od of time This is the memory that is used primarily in PCs RAM is very fast and can be read and written to over and over again ROM is used in computers to hold the permanent programming that allows a PC to start This memory is burned in to the chip itself and can not be changed Unlike RAM however this memory is permanent While it can not be changed it can not lose its programming when power is turned off There is a third type of memory that is now currently used to combine the character istics of both RAM and ROM This is known as EEPROM electrically erasable pro grammable read only memory While the name may be long and somewhat cryptic the EEPROM can be erased and re written many times and yet hold the pro grammed data even over long periods of time when the power is off This is the type of memory that all Love Controls uses to save the settings your program in your con trol The reliability and longevity of the data retention is what allows us to guarantee a 10 year data retention without power In normal operation the control uses RAM just as any other computerized device Whenever you make a change to one of the parameters in the control the set point for example the new value is written into the EEPROM This way if power goes off for whatever reason when power resumes the latest settings are preserved When power is turned on the data is copied from the EEPROM to the RAM to begin oper ation If EEPROM
43. operate Self Tune while a ramp function is operating The ramp func tion will prevent the Self Tune from operating properly Make sure that all tuning is set up before operating Ramp Soak Program Setup All of the programming for the Ramp Soak function is done in the Secondary Menu You may wish to work out your program on paper before going into the programmer menu sequence In the Secondary Menu INDEX to Pro9 and make sure that Pro9 is set to 0FF INDEX to PSEt and turn 0n Press ENTER Skip the StAt setting this is discussed later and press INDEX to tbAS The time base menu item tbAS allows selection of the amount of time that is count ed per time unit Setting tbAS to 1 makes all time settings use a time base of one second A tbAS setting of 60 makes all times settings use a time base of 60 sec onds or one minute Make the appropriate selection and then press ENTER and INDEX to 1ti The following items repeat in the following order 1ti 1SP 1A1 if AL1 in the Secure Menu is programmed set to EUnt 2ti 2SP 2A1 16ti 16SP 16A1 To avoid repetition each item will only be described once Set 1ti to the amount of time you want for the first ramp This value is in time units determined by the tbAS menu item from 0 to 9999 Press ENTER Set like temp set i Pres then set Alarm Com 16SP For u set t poin you The cont repe puts It is the p ed R begi feren Ram Whe men or by
44. pe Select Ab or dE AbS Absolute SP2 SP2 is independent of SP1 and may be set anywhere between the limits of SPL and SPH dE Deviation SP2 SP2 is set as a deviation from SP1 and allows SP2 to retain its relationship with SP1 when SP1 is changed SP2 tracks SP1 S2St Set Point 2 State Select dir or rE dir Direct Action As the input increases the output will increase Most commonly used in cooling processes rE Reverse Action As the input increases the output will decrease Most commonly used in heating processes If 0ut2 is set for tP PUL or ProP then S20L and S20H appear If 0ut2 is set for 0n 00F then skip S20L and S20H S20L Set Point Output Low Limit Select 0 to 100 but not greater than S20H This item limits the lowest output value This is useful for adding a bias to the process when needed Factory set to 0 for output codes 1 2 3 4 and 8 Factory set to 20 for output code 5 20 output equals 4 mA output S20H Set Point 2 Output High Limit Select 0 to 100 but not less than S20L for output codes 1 2 3 4 or 8 Select 0 to 102 but not less than S20L for output code 5 This item allows setting the maximum output limit This is useful with processes that are over powered Adjustment to 102 allows setting current output to If 0u item poin that Note 2 Re rese belo S2r S2P S2 S2L ALA Whe the v tion 949 1265 Layout 1 7 22 09 9 04 AM Page 32 Page 33 ut2 force a full on con
45. point and the turn on point Select 1 to 9999 direct acting or 1 to 9999 reverse acting This value will be negative for reverse acting set points and positive for direct acting outputs The following drawings shows output behavior for reverse and direct action For reverse action note how the output decreases as the input process variable increases e g heat power goes to zero as the temperature increases to set point tP Time Proportioning Cycle Time Select 1tP to 80tP 1tP A setting of 1tP is recommended for solid state outputs SSR or 15VDC 2tP to 80tP Time Proportioning Control is adjustable in 1 second steps Recommended for mechanical outputs relays solenoids etc For best contact life a time should be selected as long as possible without causing the process to wander PuL Pulsed Time Proportioning Output Select 1PuL to 7PuL 1PuL Linear and 7PuL most nonlinear Changes output linearity for use in cooling applications or for extremely fast response processes At the center of the proportional band a pulse value of 1 provides an output of one second on and one second off 50 output A pulse value of 2 provides an output of one second on and two seconds off 33 output Output at center of band equals one second on 2 pulse value 1 seconds off ProP For Current Code 5 outputs only W or R to atus next value May May Page 21 949 1265 Layout 1 7 22 09 9 04 AM Page 21 The following men
46. puts off 0oFF It is important to remember that if you want the program to repeat you must allow the process to return to the same condition that existed when the program first start ed Remember that the ramp function calculates the slope by drawing a line from the beginning PV to the ramp target set point If the PV at the end of the program is dif ferent than the PV at the initial start the ramp will calculate differently Ramp Soak Operation When you wish to start the program enter the Secondary Menu and set the Pro9 menu item on 0n Return to the HOME position by waiting for the display to time out or by pressing the UP ARROW amp ENTER keys and then the DOWN ARROW amp INDEX keys The home display will read as it normally does The HOLD indicator by the RUN HOLD key will be lit To start the program press the RUN HOLD key for three seconds The HOLD indicator will go out and the program will start To suspend the program at any time press the RUN HOLD key Press the key again to resume Page 13 949 1265 Layout 1 7 22 09 9 04 AM Page 13 Page 14 Pressing the AUTO MANUAL key will also suspend the program operation The difference is that AUTO MANUAL also puts the control into manual mode See Auto Manual operation on page 14 The function of the Primary Menu will change depending on the setting of the StAt menu item in the Secondary Menu If StAt is 0FF then the Primary Menu is not changed If the StAt
47. r of units on line 1 Cable Lengths1 25 ft 7 6 m 996 RS 485 Series Communications Port Compliance EIA 485 Isolation 500 VAC Protocol MODBUS RTU Address Range 001H or 0FFH Baud Rates 300 1200 2400 4800 9600 19 2k Mode Half duplex Character 8 bits 1 start 1 stop no parity Number of units on line ports1 32 Cable Lengths1 6 000 ft 1 828 m 1 N No INPU Type Type Type Type Type Type Type Type Type 100 100 120 1000 Curr 1 T 9 2 T m w a s 949 1265 Layout 1 7 22 09 9 04 AM Page 42 Page 43 Termination 120 Ohms balanced 1 Number can be increased through use of a repeater such as the Mother Node Consult factory for details INPUT RANGES INPUT TYPE RANGE F RANGE C Type J or L1 Thermocouple 100 to 1607 73 to 871 Type K1 Thermocouple 200 to 2500 129 to 1371 Type T1 Thermocouple 350 to 750 212 to 398 Type E1 Thermocouple 100 to 1800 73 to 982 Type R Thermocouple 0 to 3200 17 to 1760 Type S Thermocouple 0 to 3200 17 to 1760 Type B Thermocouple 75 to 3308 24 to 1820 Type C Thermocouple 0 to 4208 17 to 2320 Type N1 Thermocouple 100 to 2372 73 to 1300 100 Plt 0 00385 DIN1 RTD 328 to 1607 200 to 875 100 Plt 0 00392 NIST1 RTD 328 to 1607 200 to 875 120 Nickel 0 00628 US1 RTD 112 to 608 80 to 320 1000 Plt 0 00385 DIN1 RTD 328 to 1607 200 t
48. ssage will appear The outputs will then be turned off This function can be used to detect a runaway condition or speed up detection of an open thermocouple Use the INDEX amp ENTER keys to reset SCAL Scale Low Select 100 to 11998 counts below SCAH The total span between SCAL and SCAH must be within 11998 counts Maximum setting range is 1999 to 9999 counts For Current and Voltage inputs this will set the low range end Value not adjustable for Thermocouple and RTD ranges SCAH Scale High Select 100 to 11998 counts above SCAL The total span between SCAL and SCAH must be within 11998 counts Maximum setting range is 1999 to 9999 counts For Current and Voltage inputs this will set the high range end Value not adjustable for Thermocouple and RTD ranges SPL Set Point Low Select from the lowest input range value to SPH value This will set the minimum SP1 or SP2 value that can be entered The values for SP1 or SP2 will stop moving when this value is reached SPH Set Point High Select from the highest input range value to SPL value This will set the maximum SP1 or SP2 value that can be entered The values for SP1 or SP2 will stop moving when this value is reached SP10 Set Point 1 Output Select Select 0utA or 0utb 0utA Set Point 1 is routed through Output A Set Point 2 if equipped is routed through Output B 0utb Set Point 1 is routed through Output B Set Point 2 if equipped is routed through Output A S1S
49. the other hand push the collar evenly against the panel until the spring loops are slightly compressed The ratchets will hold the mounting collar and housing in place CAUTION It is not necessary to remove the instrument chassis from the housing for installation If the instrument chassis is removed from the housing you must follow industry standard practice for control and protection against Electro Static Discharge ESD Failure to exercise good ESD practices may cause damage to the instrument For t for y For s Use disco Inpu 15 V Con mina 949 1265 Layout 1 7 22 09 9 04 AM Page 4 Page 5 ture stru n the e the gas ssis s is dard atic may For thermocouple inputs always use extension leads of the same type designated for your thermocouple For supply connections use No 16 AWG or larger wires rated for at least 75 C Use copper conductors only All line voltage output circuits must hvave a common disconnect and be connected to the same pole of the connect Input wiring for thermocouple current and RTD and output wiring for current and 15 VDC is rated CLASS 2 Control wiring is as shown view is from the rear of instrument showing wiring ter minals Do not run RTD thermocouple or other class 2 wiring in the same conduit as power leads Use only the type of thermocouple or RTD probe for which the control has been programmed Maintain separation between wiring of sensor optional inputs an
50. tion of these special displays follows If the Auto Manual key is pressed the Manual indicator lights and the home display is changed The upper display continues to show the Process Variable PV but the lower display changes to show the percentage of output in tenths of a per cent to 99 9 0 0 to 99 9 or 100 if 100 The display digit to the right of the num ber shows a flashing letter o to indicate that the value displayed is no longer the SV but percent output The SP2 percent output is indicated by the use of an overline on the o Access to the SP2 value is made by the INDEX key See Auto Manual Operation on Page 14 for further information If Pro9 is turned 0n the HOME display changes the SV display from SP1 to the Present Set Variable as calculated by the Ramp Soak Programmer function See Programming and Operation for Ramp Soak Feature below for more information If Pct0 Secondary Menu is turned 0n the lower display changes to show the active percentage of output as required to maintain SP1 The display is similar to the Auto Manual display above except that the percent indicators o o do not flash and the output is displayed in whole percentages of output not in tenths of a percent If the control has both SP1 and SP2 the lower display will alternate between the SP1 percent output and the SP2 percent output Error messages are listed on Pages 37 39 PROGRAMMING AND OPERATION FOR RAMP SOAK FEATURE 16A3 ONLY The Ra
51. to fail Usually in such a situation the control is under close observation by the host com puter It may not be necessary then to the data written to the EEPROM as it is tran sitory in nature changing set points for a ramp soak sequence for example All 16A Series controls with communications options made before April 2001 are only able to write to the EEPROM Controls manufactured after this date have a menu item in the Secure menu Stor that allows the serial communications to write to RAM Stor no with a special write command that allows to EEPROM to be updated or written directly to EEPROM protocol command 0442 The factory default is write to EEPROM Stor YES If your computer system will be making frequent changes to the control we strongly recommend that you select the write to RAM parameters Stor no If you are pri marily reading from the control there is no need to change the setting Any instruments equipped with any Serial Communications are limited to one million WRITE cycles to the EEPROM through the Serial Communications Port Exceeding this limit will generate a F A 1 L tESt error There is no limit to the number of times you can READ from this instrument EEPROM Make sure that the software you use does not write too often to the instrument If you have any questions regarding how your software works with the instrument s contact your System Administrator Programmer or Software Suppl
52. u items apply only if your control is equipped with a sec ond set point last digit of model number is not zero If your control does not have a second set point jump to the tunE menu on the next page 0ut2 Output selection Select OnOF tP PuL or ProP 0n0F A setting of 0n0F allows the control to operate in simple on off mode This setting forces the control to turn off at set point and on at the set point plus the differential SP2d When selected the 0ut2 0n0F menu item is followed by SP2d and the Pb2 selection in the Secondary menu and the S20L and S20H selections in the Secure menu are suppressed SP2d Set Point On Off Differential hysteresis Select 1 to 9999 direct acting or 1 to 9999 reverse acting See SP1d on the previous page tP Time Proportioning Cycle Time Select 1tP to 80tP 1tP A setting of 1tP is recommended for solid state outputs SSR or 15VDC 2tP to 80tP Time Proportioning Control is adjustable in 1 second steps Recommended for mechanical outputs relays solenoids etc For best contact life a time should be selected as long as possible without causing the process to wander PuL Pulsed Time Porpotioning Output Select 1PuL to 7PuL 1PuL Linear and 7PuL most nonlinear Changes output linearity for use in cooling applications or for extremely fast response processes At the center of the proportional band a pulse value of 1 provides an output of one second on and one second off 50
53. ution In any critical application where failure could cause expensive product loss or endanger personal safety a redundant limit controller is required When setting an alarm value for an absolute alarm A1t AbS simply set the value at which the alarm is to occur When setting the alarm value for a devia tion alarm A1t dE set the difference in value from the Set Point desired For 949 1265 Layout 1 7 22 09 9 04 AM Page 33 Page 34 The AL1 If AL ends SPSA If AL A1t A1rE A1P A1iH A1St example if a low alarm isrequired to be 5 degrees below the Set Point then set A1Lo to 5 If a high alarm is required 20 degrees above the Set Point then set A1Hi to 20 If the Set Point is changed the alarm will continue to hold the same relationship as originally set The diagram below shows the action and reset functions for both absolute and deviation alarms Note that when Alarm Power Interrupt A1Pi is programmed ON and Alarm Reset A1rE is programmed for Hold the alarm will automatically reset upon a power failure and subsequent restoration if no alarm condition is present If Alarm Inhibit A1iH is selected ON an alarm condition is suspended upon power up until the process value passes through the alarm set point once Alarm inhibit can be restored as if a power up took place by pressing both the INDEX and ENTER keys for 3 seconds WARNING IF INHIBIT IS ON AND A POWER FAILURE OCCURS DURING A HIGH ALAR
54. uzzy Logic will have on the output Fbnd Fuzzy Logic Error Band Select 0 to 4000 F C or counts Sets the band width of the Fuzzy Logic Set Fbnd equal to PID proportional band Pb1 for best results 949 1265 Layout 1 7 22 09 9 04 AM Page 24 FrtE Fuzzy Logic Rate of Change Select 0 00 to 99 99 counts second For best initial setting find the counts second change of process value near Set Point 1 with output ON 100 Multiply this value by 3 Set FrtE to this calculated value PEA The Peak feature stores the highest input the control has measured since the last reset or Power On At Power On PEA is reset to the present input To manually reset the value PEA must be in the lower display Press the ENTER key to reset PEA will be reset and display the present input value UAL The Valley feature stores the lowest input the Instrument has measured since the last reset or Power On At Power On UAL is reset to the present input To manually reset the value UAL must be in the lower display Press the ENTER key UAL will be reset and display the present input value Pct0 Percent Output Feature Select 0n or 0FF 0n When selected 0n the HOME lower display will indicate the output of the controller in percent An o will appear in the right hand side of the lower display to indicate percent output for SP1 An will appear on the right hand corner of the lower display to represent percent output for SP2 if the control is s

Love Series 16A Temperature/Process Controller Service Manual

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