User Manual - Pid Controller
Contents
1. Visualize usually process value ex Value 1 read by thermocouple but may also visualize setpoint value time elapsed after cycle start step number percentage value of output value of entering parameter during configuration Visualization on this dispay is programmable and may be chosen as setpoint value elapsed time or step cycle in progress Visualize number of entering parameter during configuration Visualize Step time ex 01 T or step setpoint ex 01 S which is being entered during cycle programming NM I Example US for 1 hour 5 minutes Example S J for step no 3 15 See chap 26 62 25 2 Leds 3 ON when output OUT is active ON when output A1 is active ON when output A2 is active 9 ON with cycle in progress flashing if function Simple controller in progress remote setpoint manual control serial communication 25 3 Keys 7 Scroll or modify parameters during configuration Scroll available cycles to start or modify Modify time or setpoint values when programming cycles Modify setpoint when function Simple controller TERM is working Fast advancement with cycle in progress Scroll or modify parameters during configuration Scroll available cycles to start or modify Modify time or setpoint values when programming cycles Modify setpoint when function Simple controller TERM is working e Fas2. 100 according to the time basis entered on parameter P 30 cycle time Set the controller to SHOP mode and follow the points below Press Display Do 19 Red display shows ii options 2 E decrease until is visualized 3 Green display shovvs percentage of outputThe controller activates the output Visualize percentage value To modify percentage of output 1 cycling also value of output 2 if press funtil red enabled display shows Pou or Powe it two process are enabled and press O 0 modify value To quit the function press 2 Access to this function can be denied on P 01 3 digit 73 28 Configuration for installer 28 1 Modify numeric value of parameter The following options are available 1 If all 4 digits are flashing press O change the parameter 2 If all 4 digits are visualized but only one is flashing press to modify it and then O reach the following digit 28 2 Modify configuration parameter To modify configuration parameters see chap 29 the controller must be in Stop mode Press Display Do 1 Red display shows available options Increase decrease until conf is visualized 3 display shows and 1 digit is Red display shows Modify the flashing digit on Enter password green display 034 74 Press Display Do 5 Red display shows m I E green disp
3. Limit of command signal for zone 1 10 100 Max limit of command signal expressed as Ex Enter 60 on this parameter to allow max 60 power of heating elements on electrical kilns Reserved Reserved Reserved ON OFF hysteresis P 1 D dead band 99 9 300 0 digit Proportional band 0 3000 digit 0 excludes P 1 D Integral time 0 9999 sec 0 excludes integral 84 P 38 P 39 P 40 P 41 P 42 P 43 P 44 P 45 P 46 P 47 P 48 P 49 Derivative time 0 0 999 9 sec 0 excludes derivative Parameters for P I D control on process 1 Dead band limits the zone where PID is not active Proportional band refers to inertia of process and is expressed as units ex Integral time express inertia of process as seconds Derivative time has a damping function and is usually Va of integral time Lower limit Setpoint2 999 9999 digit Upper limit Setpoint2 999 9999 digit Lower and upper limits of Setpoint2 when both inputs are active but only one is referring to the programmed cycle see P 05 3 Digit and the second one is referring to a fixed setpoint which is setpoint2 Offset calibration input AN2 15 0 15 0 digit Gain calibration input AN2 10 0 10 0 These parameters act to adjust eventual errors of sensors or to fix correspondance with a precise point of the scale Cycle time or servomotor time value declared by manufacturer in zone 2 1 120 sec Cycle time for time proportione
4. 1 1 Autotuning only on process 2 2 Autotuning both on process 1 and process 2 214 Digit Control of heating elements power 82 P 20 P 21 P 22 P 23 P 24 0 Only process1 1 Only process 2 2 Add process 1 and process 2 3 Digit Real time duration of cycle 0 No 1 yes 4 Digit Visualization of step 0 Step number always visualized in programming mode 1 Step number visualized only at beginning of step equivalent to the operating in programming mode of series ATR610 Power of heating elements 0 0 999 9 Kwatt Enter power of heating elements group If the programmed value is different from 0 it will be possible to visualize power consumption expressed as Kwatt hour at cycle end pressing ke Waiting for step end 1 1440 min 0 excludes waiting function Enter max waiting time for step end For further details see 31 3 Max gap at step end to activate waiting function 1 200 digit When the gap setpoint process 1 is lower than this value the controller jumps to next step of cycle without waiting for the time entered on P 21 For further details see 31 3 Recovery of interrupted cycle This parameter enables recovery of interrupted cycle after a power failure For further details see 31 1 31 2 10 Cycle recovery Disabled 1 Cycle recovery enabled see 31 1 Recovery gradient rising as degree hour see 31 2 Reserved 5 Pressing during cycle the
5. 1 2 20 units ex Gap process 1 2 30 units ex Gap process 1 2 40 units ex 400 Gap process 1 2 50 units ex 50 Gap process 1 2 60 units ex 60C Gap process 1 2 70 units ex 70C 87 P 52 CO NI G O Go NO 30 Alarms operating Three alarms can be programmed and be connected to outputs OUT A1 A2 if they are not used for control The following graphs describe the programmable operatings Band alarm setpoint process Alarm can be e active outside band e active inside band Example outside A Comparison value PROCESS P 14 P 16 SETPOINT Hysteresis Hysteresis OUTIA1 A2 gt Time ON OFF Deviation alarm setpoint process Alarm can be e active above comparison value e active below comparison value Example upper deviation A Comparison value SETPOINT Hysteresis OUTIA1 A2 Time d OFF General alarm process Alarm can be A PROCESS Comparison value 3 active over process value p 14p 16 e active below process value Example above process value gt OUTIATIA2 __ Time ON OFF 88 General alarm setpoint A SETPOINT Alarm can be e active over setpoint Valore di confronto e active below setpoint Isteresi Example over above OUT A1 A2 Tempo A Cycle stop and or acoustic signal can be programmed for each type of alarm
6. activates the output to hold the programmed temperature Modify setpoint value ace To quit the function press display shows SEE Il and 9 green display shows new the controller returns to the setpoint for a few seconds ie cycle which was previously in execution 17 Access to this function can be denied to the operator on P 01 gng digit 69 27 4 Function SIMPLE CONTROLLER in STOP mode Set the controller to SE or mode Press Display Do Red display shovvs 9 available options I FI Increase until EEri Lis visualized Red display shovvs SEE Green display shows setpoint value Increase or decrease Enter required setpoint setpoint value value The controller activates the output to hold the programmed temperature Values are visualized To modify setpoint cycling press and or arrow keys again and arrow keys for BEE To quit the function press 70 27 5 Auto tuning Auto tuning function can be started if the controller is configured as SIMPLE CONTROLLER Process value must be at least 35 lower than setpoint value to avoid overshooting of temperature above setpoint value If two process are enabled please go to P 19 1 digit to choose the process to which Autotuning will refer Press Display Do Lunt is flashing on red Keep pressing for 1 second display Red display shows Wait until the writing Kume disappers To stop the The controll
7. are desabled P 02 1000 Select thermocouple K ex 1100 for TC typeS P 05 5000 Select SSR control output for process 1 P 06 0 Minimum temperature lower limit scale 0T P 07 1350 Max temperature upper limit scale 1350 P 12 1101 Max temperature alarm with cycle block P 15 1300 Alarm setpoint if kiln temperature is over 1300 the cycle is stopped P 17 5100 Alarm on digital input for cycle block and signal Open door 96 SSR THREE PHASE SUPPLY L1L2L3 L I SUPPLY 230Vac NF Main Switch JUMPER Selection supply 230Vac Safety Contactor 230 Vac Controller Model ATR620 21ABC 2200 00 004 THERMOCOUPLE Model Micro Switching OPEN DOOR AN 0017 3504 97 36 Kiln with 2 thermocouples and contactor control On bigger kilns it may be necessary to introduce more precise and accurate control of internal temperature for example in high kilns heat may concentrate on the highest part leading to a relevant gap of temperature between bottom and top levels Correct placement of heating elements and a double control loop can achieve uniform temperature for optimal firing cycle In this configuration two outputs
8. follows the broadcast mode all controllers receive data If Waiting function is enabled on Master it will read process values of the first 16 connected controllers slave address 1 to 16 on parameter 50 and it will check eventual delay of any connected zone 32 3 Word addresses ATR620 Modbus Description Read Reset address oo a 1 Process AN1 3 Ambienttemperatue TR 4 Output process 1 5 Output process 2 RW lo 1 6 Setpoint REP 7 Setpoit2 REP 8 Remote setpoint REP 9 Setpoint 1 via serial communication _ RW JEEP 5 Start via serial communication RW Jo 24 Reseved RE EEP 44 Reserved RR EEP EEP mim mmm mmm mjmjmjmjmjmjimjm U U U 47 EEP EEP 52 JReseved RE 53 Reserved RE 2 m m m m U U 54 Reseved RE 60 _ Parameter40 CREEP _ 66 Parameter46 CREEP _ 68 Parameter48 CREEP 69 Parameter49 CREEP 94 33 Error messages In case that the plant does not work properly the controller stops the eventual cycle in progress and shows an error message for the fault condition Example a damaged thermocouple will be noticed with error code F fG Mn flashing on display1 For details see table below Cause Do E 01 Programming error E PROM Contact technical support E 03 Wrong cycle data Program a new cycle E 04 Wrong configuration data Verificare che i parametri di probable lost of calibration configurazione siano corretti v
9. of ATR620 are configured as control of two processes corresponding to TC1 and TC2 the third is available for alarm auxiliary event Programming of main parameters P 01 0009 15 cycles available 20 steps each Special functions are desabled P 02 1000 Select thermocouple K on input AN1 process 1 P 03 1001 Select thermocouple K on input AN2 process 2 P 05 1300 Select control output process 1 2 on OUT and A1 P 06 O Minimum temperature lower limit scale 0 P 07 1350 Max temperature upper limit scale 1850 P 13 0000 Available for alarm auxiliary event P 17 5100 Alarm on digital input for cycle block and signal Open door P 52 004 Max gap process 1 process 2 20 Above this value cycle is stopped until temperature is uniform 98 SUPPLY 230Vac NF JUMPER Selection Supply 230Vac Contactor Zone B Contactor Zone A Supply 230 Vac Supply 230 Vac Controller Model ATR620 22ABC LI al a ak ox o og o EN Li THERMOCOUPLE Zone B Micro Switching OPEN DOOR 99 37 Kiln with 4 thermocouples 4 units ATR620 Configuration Master Slave Configuration Master Slave is suitable also for plants requiring more than two control loops Still it is necessary to program one single unit simplifying programming and operating The fo
10. visualized time value will be the time elapsed after cycle start not the programmed time PPressing after cycle Stop to visualize duration of last cycle 83 P 25 P 26 P 27 P 28 P 29 P 30 P 31 P 32 P 33 P 34 P 35 P 36 P 37 Filter on analog inputs 1 20 averages Value of software filter which is active on the reading of sensors connected to inputs AN1 and AN2 In case of disturbed signals filter should be increased reducing reading speed Offset calibration for input AN1 15 0 15 0 digit Gain calibration for input AN1 10 0 10 0 These parameters allow to adjust eventual errors on visualization caused by damages or mistakes on thermocouples wirings or compensated cables Example if melting point of a ceramic cone is 1000 while the controller shows 990 enter 1 0 on P 27 to get the correct value on display End of ON OFF control 999 3000 digit Below this value the controller modulates the output as ON OFF excluding P 1 D action To use only On off mode enter a value above the upper limit of scale 1 To exclude ON OFF control enter a value below the lower limit of scale 1 Reserved Cycle time or servomotor time value declared by manufacturer in zone 1 1 120 sec This parameters selects cycle time for time proportioned outputs PID or manual control of output Ex 10 sec On P 30 means 60 of output when output is active for 6 0 seconds not active for 4 0 seconds and so on
11. 2 72 I oof Connector FRONTAL PANEL MEMORY CARD CUT OUT les 66 5 mm gt uggested thickness 2 a 8 mm lt 5 89mm 10 66 5 mm 24 Electrical wirings Altough this controller has been designed to resist noises in an industrial environment please notice the following safety guidelines e Separate control wires from power wires e Avoid mounting close to remote control switching systems electromagnetic relays powerful engines e Avoid proximity of power systems especially those with phase control 24 1 Wiring diagram 59 Power supply 1 230 Vac SUPPLY 115 Vac 24 Vac 2 Na San lt lt lt swi 4 230 Vac effiziziziniaia T gP A 11g vec gi i Analog input AN1 144 a gt 15 _ WHITE cee Z qaiq REP 1514 RED Analog input AN2 121 12V 30mA 24 115 230Vac 15 50 60Hz selction by internal jumper Default selection 230 Volt Version ATR620 xxABC Set SW1 as in the drawing beside to select proper power supply Thermocouples type K S T R J E e Respect polarity e When extending thermocouples be sure to use the correct extension compensat
12. PIXS YS elettronica REGOLATORE CONTROLLER ATR620 Manuale Installatore User Manual 20 Introduction Programmers ATR620 are the results of a wide experience with applications for temperature and process control by Pixsys www pixsys net High configurability of both hardware and software resources allows the installer to configure the controller assuring both user friendliness for the operator and at the same time the programming of complex and accurate firing profiles To program a cycle means basically to enter couples of values time temperaure setpoint for each segment of the cycle Each controller can be connected to one or two sensors the output options include relays and SSR control Other resources are available for the management of alarms auxiliary and digital commands Possibility to integrate the unit into supervisory systems or communication networks is assured by RS485 and protocol Modbus RTU with Master Slave modality Memory card allows to quickly copy parameters and cycle data keeping record of the different configurations Chapters 26 1 and 27 1 specifically focus on the operating instructions for the users 21 Models The series ATR620 includes two versions the following table allows to choose the correct model 21 1 Ordering codes ATR620 2 Inputs TC RTD V mA 2 relays 1 output SSR 3 relays ABC 24 230 115Vac 15 50 60Hz Outputs Power supply 56 22
13. Process 1 ex Pressure or humidity sensor connected to analog input AN2 is Process 1 1 Process 2 Reserved Configuration control outputs and source of setpoints P 04 ex TC1 on ANI configured as process 1 on Out and TC2 on AN2 as process 2 on A1 and select source of setpoint Only Setpoint changes according to the programmed cycle while Setpoint2 can only be fixed 1 Digit Control output process 1 on Digit Control output process 2 No output or Tisabled process Relay OUT contact N O Relay OUT contact N C Relay A1 contact N O Relay A1 contact N C Relay or SSR A2 contact N O Relay or SSR A2 contact N C Open Close contact N O Open OUT Close A1 Open Close contact N C Open OUT Close A1 37 Digit Source of setpoint for process 1 process 2 Process 1 Process 2 Setpoint1 cycle data Setpoint2 fixed INIO RION Setpoint2 fixed Setpoint1 cycle data 79 P 06 P 07 P 08 P 09 P 10 P 11 P 12 P 13 4 Digit Select remote setpoint 0 Remote setpoint by analog input AN2 Control input AN1 1 Setpoint by serial input process 1 word modbus 9 process 2 word modbus 10 Lower limit setpoint 1 999 3000 digit Upper limit setpoint 1 999 3000 digit Selectable limits of setpoint 1 Lower limit range AN2 only for V mA 999 3000 digit Upper limit range AN2 only for V mA 999 3000 digit Limits of scale val
14. Technical data 22 1 Main features Visualizers 4 displays 0 56 inches 4 displays 0 28 inches Operating temperature 0 45 humidity 35 95uR Sealing JIP54 Frontal IP30 box IP20 terminals block Material Noryl 94V1 self extinguishing Weight 400g 22 2 Hardware data Analog input 1 AN1 AN2 Accuracy Software configurable 250 Input An 1 0 2 1 digit Thermocouple K S T R J E for input TC RTD type PT100 Ni100 RTD V mA Input An 2 Thermocouple K S T R J E Input 0 1V 0 10V 0 20mA 4 20mA Relay outputs 2 3 relays OUT A1 A2 Contacts 8A Configurable for command or 250V alarm SSR output 1 output A2 Output 12Vdc Configurable for commandor 30mA alarm Serial input 1 RS485 Modbus protocol Digital input 1 IN1 IN2 Configurable as Input START STOP signal HOLD input 57 22 3 Software data Control algorithm ON OFF with hysteresis P Pl PID PD time proportioning Proportional band 0 9999 or F Integral time 0 9999 sec 0 excludes Derivative time 0 0 999 9 sec 0 excludes Software functions Auto Tuning configurable alarms Programmable 15 cycles max 20 segments steps for cycles each cycle function simple controller with programmable setpoint Remote control Setpoint received by analog or serial input Manual function increaseldecrease manually the percentage of output manual control of power 23 Sizes and installation MEMORY CARD 69 x 24 mm 7
15. alues E 05 Disconnected thermocouple or Check sensors connection temperature out of range eventually contact technical support Wrong recovery data Recovery Confirm and start a new cycle function not available Cold junction failure or ambient Contact technical support temperature out of range E 07 E 11 99 34 Application on industrial kilns Controller ATR620 has a wide range of applications on industrial kilns environmental chambers furnaces dryers Certainly some of the most common application fields are electrical kilns for ceramics glass metalworking Below some examples with a short list of main configuration parameters 35 Kiln with single thermocouple and SSR control This is probably the most typical application of controller ATR620 using only main capabilities of the unit and still keeping high user friendliness On electrical kilns ATR620 performs control loop for the programmed cycle reading thermocouple value and controlling SSR In case that alarm conditions as overshooting of max temperature are noticed relay A1 is activated to open the circuit with safety contactor along with acoustic signal of internal buzzer and a flashing signal on display Should the kiln door accidentally open this is also an alarm condition cycle is stopped and a corresponding message is visualized on display Programming of main parameters P 01 0009 15 cycles available 20 steps each Special functions
16. couple 101 Controller SLAVE 2 Controller SLAVE 3 Mod ATR620 21ABC Mod ATR620 21ABC Contactor Resistors ZONE C Thermocouple Thermocouple Resistors ZONE D AN 0019 3504 38 Configuration table Date Model ATR620 Installer Plant Notes P 01 General configuration P 02 Analog input AN1 P 03 Analog input AN2 P 04 Reserved P 05 Control output and source of setpoint P 06 Lower limit setpoint 1 999 3000 digit Upper limit setpoint 1 999 3000 digit P 10 Alarms hysteresis 999 3000 P 11 Configuration alarm no 1 OUT P 12 Configuration alarm no 2 A1 P 13 Configuration alarm no 3 A2 P 14 Setpoint alarm no 1 999 3000 digit P 15 Setpoint alarm no 2 999 3000 digit Setpoint alarm no 3 999 3000 digit Configuration digital input IN1 P 18 Configuration digital input IN2 P 19 Configuration Autotuning step visualization P 20 Power heating elements 0 0 999 9 KWatt P 21 Waiting for step end 1 1440 min P 22 Max gap at step end 1 200 digit P 23 Cycle recovery P 24 Reserved P 25 Filter analog inputs 1 20 medie P 26 Offset calibration AN1 15 0 15 0 digit Gain calibration AN1 10 0 10 0 P 28 End ON OFF control 999 3000digit Reserved Lower limit range AN2 for V mA 999 3000digit Lower limit ra
17. cycle with programmable gradient At restart if process value kiln eens sisa temperature is lower than setpoint value ATR620 stops the cycle in Recovery phase Progress and executes a rising step wae with the programmable gradient Parameter 23 entered on to gain the A f me setpoint which had been reached To desable this function before power failure Cycle restarts enter 0 zero on parameter 23 from this point A Recovery is active only for During recovery stage led is positive or null steps flashing chronometer is not counting To quit recovery function and display shows rec instead Q of step number manually press or 31 3 Waiting function This function is specifically useful to fal Max gap control firing cycles on kilns whenever the plant is unable to follow the gradients programmed by the operator If the gap process setpoint is bigger SETPOINT A than the value entered on parameter n a sions 22 the controller will start next step Waiting only after waiting for the time entered A To desable this function enter parameter 21 or when the gap is pa lower than value of parameter 22 Oon C L see graph beside A When the function Waiting To quit the function manually is active chronometer is not counting and display 2 shows press Q uH E instead of step number 91 31 4 Double loop control the gap between p
18. d outputs see P 30 This parameter is configured only if two zones are enabled Ant and AN2 both configurated Limit of command signal for zone 2 10 100 See P 31 ON OFF hysteresis P 1 D dead band 99 9 300 0 digit Proportional band 0 3000 digit 0 excludes P 1 D Integral time 0 9999 sec 0 excludes integral Derivative time 0 0 999 9 sec 0 excludes derivative Parameters for P I D control on zone 2 Configuration serial input Select baud rate format and answer delay in Modbus delay varies according to baudrate 1 Digit Baud rate 0 4800 bit sec 2 19200 bit sec 3 31250 bit sec 4 38400 bit sec 2 Digit Format 0 8 N 1 default 85 3 Digit Enable Modbus delay 0 Delay desabled 1 Delay enabled 15 12 9 6 3 ms 4 Digit Enable software upgrade via serial input P 50 Slave address 0 99 0 forMaster function Select Modbus address of Slave Enter 0 for Master see 32 2 Data visualization on display Select visualization for second display and which data can be P 51 visualized pressing 1 Digit Visualization on second display Process 2 ex temperature of second thermocouple Setpoint programmed for step end ex temperature expected at end of running step Control Setpoint updated according to programmed Number of step in execution 2 Digit Visualization of data d
19. er starts the function before it is self calibration cycle completed press f 27 6 Activate remote setpoint by input 2 Set the controller to BE aP mode and follow the points below Press Display Do 9 Red display shows available options Increase or decrease until m M Fa Cll is visualized Q Green display shows process To quit the function press o value The controller activates 9 9 control output 18 Access to this function can be denied to the operator on P 01 v digit To configurate this function select 0 remote setpoint on ay digit of P 01 and Remote setpoint by analog input AN2 on 4 digit of P 05 71 27 7 Activate remote setpoint by serial input Set the controller to Stop mode To start the function by serial input write 1 at modbus address 15 this operation must be repeated at least every 8 seconds otherwise the controller will return to oi mode To quit the function write 0 at the same address Setpoint values must be entered at Modbus address 9 for process 1 and at address 10 for process 2 2 To configurate this function select 0 remote setpoint on 4 digit of P 01 and Remote setpoint by analog input AN2 on 4 digit of P 05 72 27 8 Manual control of output This functions allows to control modify manually the command output to exclude automatical control of process The output is activated as percentage 0
20. g with less options it is highly recommended to prepare additional separate instructions specifying only the selected sequence The file of this paragraph is available in the Download section at www pixsys net and it may be used for this purpose Set the controller to blob mode and follow the points below Press Display Do Increase or decrease to visualize visualizzare c c for cycle no 1 C ICL for cycl no 2 up to c a ID for cycle no 15 64 26 1 1 Programming of starting set point if configured Press Display Do Red display shows 9 U0 5f6or5t L then At any time press CEL to quit the programming see configuration of mode and save visualization Par 19 4 modified data digit Green display shows the starting setpoint Otherwise go to point 5 Increase decrease value on Enter starting setpoint green display ex Temperature at cycle start 16 The first two digits indicate number of step Last digit shows E entering the time value duration of step or entering setpoint value ex temperature value to reach within the programmed time 65 26 1 2 Cycle programming programming of steps segments Press Display Do Red display shows or number of step which is being modified for a few seconds then Et Red display shows time value duration of step Increase decrease the Enter duration of step value on green d
21. ilable if using RS485 81 P 19 1 Input START at impulse gt 150 msec 2 Input STOP at impulse gt 150 msec 3 Input START STOP at impulse gt 150 msec 4 RUN input when active The controller executes the cycle programmed on 3 digit or function selected on 4 digit until contact is closed or open gt Temporary cycle block flashing Normally connected to the door switching 6 Cycle stop with acoustic and visual signal Visualize Lam dlior Nt or Larn E for IN2 buzzer is active until is pressed 7 Input HOLD Cycle is stopped and setpoint can be modified by frontal keys 8 Impulse input for step advancement one step forwards during cycle 2 Digit Type of contact 0 Activation with closed contact 1 Activation with open contact 3 Digit Function or cycle to activate 0 Activate function selected on 4 digit 1 9 Activate cycle no 1 9 4 Digit Special function to activate 0 Simple controller 1 Remote controller if P 01 4 Digit selected as 0 2 Manual control modify percentage of control output 0 100 3 Last executed cycle 4 Simple controller also during cycle execution Configuration Auto tuning and visualization of step Select on which process Autotuning will be completed and which values will be visualized in RUN mode 1 Digit Configuration Autotuning 0 Autotuning only on process
22. ing cable PT100 NI100 e For a three wire wiring use cables with the same diameter e For two wire wiring short circuit terminals 14 and 15 RED B 7 WHITE BJ gt RED al Thermocouples type K S T R J E e Respect polarity e When extending thermocouples be sure to use the correct extension compensating cable Signals 0 1V 0 10V 0 20mA 4 20mA e Respect polarity 60 PRESSURE TRANSMITTER Signals 0 4 20mA with 3 wires sensor 16 qQA t Respect polarity 1442 A Sensor output B Sensor ground C Sensor supply 12 43 AN2 E KS Signals 0 4 20mA with 2 vvires sensor A 16 Respect polarity A Sensor output 4 20mA C Sensor supply 1245 Serial or digital input 5 Configurable as serial input or two digital gt inputs 10 gt RS485 IN2 e RS485 Modbus 11 gt RS485 INI Contact capacity 8A 250V resistive e Configurable as command or alarm e Configurable as N O or N C Contact capacity 8A 250V resistive e Configurable as command or alarm e Configurable as N O or N C Version ATR620 21ABC 1 7 e Capacity 12V 30mA A2 SSR Version ATR620 22ABC itr e Contacts capacity 8A 250V resistive Configurable for control or alarm N O or N C 61 25 Displays and keys
23. isplay as hours minutes Enter N B Max si dd Si for endless time or programmed for each cycle Then the controller enter End for cycle end in case automatically goes to point 12 yg p that not all available steps are required and skip to point 12 Red display shows or number of step which is being modified and then Use arrow keys O to enter setpoint Sekei value temperature Green display shows required at end of each setpoint of step step temperature to reach within the selected time 66 26 1 3 Programming of auxiliary output if configured Press Display Do ae a is If output A1 is not lonio lo programmed as timed auxiliary go to point 10 Select the state of auxiliary output during the step A lon for active or H lor for not active Green display shows If output A2 is not programmed as timed Acon or Ac oF auxiliary go back to point 5 Select the state of auxiliary output during the step H ion for active or H if for not active Go back to point 5 Display Do The controller returns In case that outputs A1 A2 to STOP mode are programmed as storing the auxiliaries repeat points 9 programmed cycle and 11 to program the state Red display of outputs after cycle stop shows5t oP 67 27 Start of a cycle 27 1 Cycle start and programming of delaied start Red dis
24. lay shows value of parameter 6 Increase decrease number Visualize number of of parameter parameter which must be modified 7 Green display shows the flashing value of selected parameter 8 Increase decrease value Enter new value of visualized parameter 9 Value of parameter stops To modify other parameters go back to point 6 10 End of configuration The controller is in SEGR mode If Memory Card is connected its values will be up dated with new data within a few seconds 75 28 3 Memory Card Parameters and cycle data can be easily and quickly copied from one controller to other controllers using the Memory Card The controller must be switched off before entering the Card Please check also entry direction the small scanning must be turned towards the back panel and the small IC must be turned towards the external side of the box When the controller is switched on the green display shows Elo and the red display shows nof Do Select _YES to load values of memory card on the controller Select MO to keep values of the controller unchanged i Q visualize visualize The controller loads the values and starts the self check Ato update values of Memory Card follow the above described operations selecting QO on red display so that values of Card are not loaded on the controller Enter configuration mode and modify at least one paramete
25. le for the operator Select 9 for 15 cycles 20 steps each Configuration analog input AN1 Select type of thermocouple or RTD connected to input ANI visualization range and process corresponding to this input 1 Digit Type of sensor 0 Not used 1 Thermocouple or RTD selected on 2 digit 214 Digit Type of thermocouple RTD Type K 250 1350T Type S 50 1750T Type T 250 400 Type R 50 1750 Type J 200 1000 Type E 250 1000 PT100 100 600 NI100 60 180 3 Digit Decimal point 0 No decimal point 1 Visualization with decimal point 4 Digit Select corresponding process 0 Process 1 1 Process 2 Configuration of analog input AN2 Select type of thermocouple or signal V mA connected to input AN2 visualization range and process corresponding to this input 1 Digit Type of sensor 0 Not used 1 Thermocouple selected on 2 2 Tension 0 1V 3 Tension 0 10V 4 Current 0 20mA 5 Current 4 20mA 214 Digit Type thermocouple RTD 0 Type K 250 1350T 1 Type S 50 1750 P 02 Solo Oo NO P 03 78 3 Type R 50 1750T 4 Type J 200 1000 5 Type E 250 1000T 3 Digit Decimal point 0 No decimal point 1 Visualization with one decimal point 2 Visualization with 2 decimal points only V mA 3 Visualization with 3 decimal points only V mA 4 Digit Select process 0
26. llowing example describes a kiln with four control loops Up to 16 units can be connected if Waiting function is active to monitor and compensate temperature gap among different zones or up to 32 units if this is not required Digital input capabilities are not available in this configuration because serial communication is activated Programming of main parameters values for Master in brackets P 01 0000 Remote setpoint active only on Slaves 0009 Last digit set to 9 for Master Special functions desabled P 02 1000 Select thermocouple K on input AN1 process 1 P 05 1001 Control output for process 1 on OUT 1000 Remote setpoint by serial input only for slaves P 06 O JMinimum temperature lower limit scale 0T P 07 1350 Max temperature upper limit scale 1350 P 0000 Digital inputs desabled 17 18 P 21 120 Max waiting time at step end 120 minutes P 22 20 Max gap setpoint process and between processes Above this value cycle stops until temperature returns to limits P 49 2010 Baudrate format communication delay P 50 1 3 Slave address 1 to 3 0 Enter address 0 for Master 100 Controller MASTER Mod ATR620 21ABC Contactor Thermocouple Resistors ZONE A Controller SLAVE 1 Mod ATR620 21ABC si w s Il c 9 5 Resistors ZONE B Thermo
27. nge AN2 for V mA 999 3000digit 102 P 30 Max time for impulse zone 1 1 120sec P 31 Limit of control signal zone 1 10 100 P 32 Reserved P 33 Reserved P 34 Reserved P 35 ON OFF hysteresis PID dead band 99 9 300 0digit Proportional band 0 3000digit Integral time 0 9999 sec P 38 Derivative time 0 0 999 9 sec P 39 Lower limit scale 3 999 3000 digit P 40 Upper limit scale 3 999 3000 digit P 41 Offset AN2 15 0 15 0 digit P 42 Gain AN2 10 0 10 0 P 43 Max time for impulse zone 2 1 120sec P 44 Limit of control signal zone 2 10 100 P 45 ON OFF hysteresis PID dead band 99 9 300 0digit Proportional band 0 3000digit Integral time 0 9999 sec Derivative time 0 0 999 9 sec P 49 Configuration serial input P 50 Slave address 1 99 P 51 Visualization in RUN START mode P 52 Programming block endless step 103 104 105 106 107 PIXSYS Via Tagliamento 18 30030 Mellaredo di Pianiga VE www pixsys net e mail sales pixsys net support pixsys net Software Rev 1 12 2300 10 025 RevD 160506 108
28. ntact N O 1 Active over independent or deviation alarm or outside band alarm Contact N O 2 Active under independent or deviation alarm or inside band alarm Contact N C 3 Active over independent or deviation alarm or outside band alarm Contact N C 4 7 As 0 1 2 3 active ONLY in RUN during cycle 3 Digit Select process for alarm 0 Process 1 1 Process 2 4 Digit Type of alarm action on cycle 0 No action on cycle no acoustic signal of buzzer no visualization on display Output is commuted change of relay or SSR contact 1 Cycle stop with acoustic and visual signal Output is commuted buzzer is activated display flashes cycle stops and controller goes to to STOP mode 2 Only acoustic signal Output is not commuted buzzer is activated display flashes P 14 Setpoint value for alarm no 1 999 3000 digit for temperature P 15 Setpoint value for alarm no 2 999 3000 digit for temperature P 16 Setpoint value for alarm no 3 da 999 3000 digit for temperature P 17 Configuration digital input IN1 P 18 Configuration digital input IN2 Operating mode for digital inputs IN1 2 Impulse means contact closed or open for min 150msec 1 Digit Operating mode of digital input 0 Input not used rt rt Visual signal for active alarm is ALL ler HLL unti is pushed to confirm it Inputs not ava
29. operating Programmable timed operating auxiliary Setpoint Step 4 ON or OFF state of auxiliary output is programmable for each segment step of the cycle State is programmable also at cycle end See 26 1 3 Operator stop OUT A1 A2 ON OFF Time 89 31 Special software functions 31 1 Recovery of interrupted cycle with automatic gradient Recovery function is particularly useful Temperature Stop 3 for temperature control on kilns At restarting after a power failure ATR620 can resume the interrupted cycle assuring optimal cycle execution 4 Power failure during a rising step recovery gradient will be the same E as the step in progress Setpoint A To desable this function value vvill be the same as sensor enter 0 zero on parameter 23 temperature sesi 5 Power failure during a dwell holding step two options are available If the gap process setpoint is not bigger than value entered on P 22 cycle will be resumed from the point of interrumption If the gap is bigger than this value cycle will be resumed from previous step and will follow pointi 6 Power failure during cooling steps setpoint follows the temperature of sensor and controller will not foresee any rising step safety feature for glass kilns skipping to next step if required After a power failure chronometer always starts from 00 00 Tad Time 90 31 2 Recovery of interrupted
30. play shows SEohil Press Display Do Red display shows available cycles Increase or decrease until the chosen cycle is visualized I C ic for cycle no 1 Grace for cycle no 2 Cycle starts Buzzer rings Green display shows process value red display shows the value which has been selected on P 51 1 digit If function Delayed start is enabled see P 01 2 digit follow the table below Red display shows HEE I green display shows flashing the programmed time Increase or decrease the waiting time after cycle Start Hours Minutes Start of waiting time At elapsing of programmed Press to modify time cycle will start time value 68 27 2 Function Fast advancement During cycle execution or in case of restart after an interruption it may be useful to change the programmed time value of the running cycle onwards or backwards to meet the required setpoint Press Display _ _ Do 1 Forwards or backwards on To stop the cycle and set cycle each beep of the controller in bt OP internal buzzer means one mode before end of cycle minute press 27 3 Function SIMPLE CONTROLLER with cycle in execution This function can be activated during cycle execution Press Display Do 1 Red display shows Keep pressing the key LE f flashing for approx 1 second 2 Red display shows EErilV The controller
31. r Quitting the configuration mode a beep of internal buzzer will confirm that the new values are saved 2 Only if values stored on Memory are correct M 23 If the controller shows 1 IC 1 IO at starting it means that no values are stored on memory but it is possible to copy and update them 29 List of configuration parameters P 01 General configuration This parameter selects the type of P I D action enables operator s access to special functions like manual control of output percentage 0 100 Autotuning delayed start operating as Simple controller with fixed setpoint beside standard programming function possibility to modify cycle data during the cycle programming of a starting setpoint to assure the programmed rising gradient in case that kiln temperature at cycle start is too high number of cycles available to the operator remote control for cascade applications 1 Digit Type of PID control 0 Single reverse action Heatin 1 Single direct action Cooling 2nd Digit Access to following functions Auto tuning Simple controller Delaied start No No No No Yes Yes Yes 7 Yes Yes Yes Manual Starting setpoint Modify data during the cycle No No No No Yes Yes Yes Yes 77 4 Digit Cycles available to the operator No cycles available Remote setpoint enabled 1 9 1 8 cycles availab
32. rocesses ZN To desable this function j During rising or cooling steps the enter 0 zero on 3 Digit of cONtroller will monitor the gap La between processes If this function parameter 52 P Scl is enabled vvhen the gap is bigger than value entered on 3 digit of parameter 52 setpoint is blocked until the gap becomes lovver than this value 32 Communication protocol Modbus RTU 32 1 Main features ATR620 has been conceived for control and communication by Terminals via Modbus RTU protocol It is provided with serial port RS485 for programming of configuration parameters and reading of analog inputs Baud rate Selectable by parameters 38400 bits sec 31250 bits sec 19200 bits sec 9600 bits sec 4800 bits sec Selectable by parameters Default 8 N 1 8bit no parity 1 stop BITS READING 0x01 0x02 WORD READING max 1 word 0x03 0x04 SINGLE BIT WRITING 0x05 SINGLE WORD WRITING 0x06 MULTIPLE BITS WRITING Ox0F MULTIPLE WORD WRITING max 30 word 0x10 Format Supported functions 92 32 2 Function Master Software functions of ATR620 include operating as Master This feature allows serial communication of several controllers to control more zones of the same kiln Function is enabled entering 0 on parameter 50 Master will communicate Start Stop of cycle and setpoint values to the connected slave units which must be configurated for remote setpoint on parameters 1 and 5 Communication
33. t go back with cycle in progress 9 e Visualize duration of latest completed cycle if controller is in STOP mode e Second process only if enabled e Scroll flashing digit to modify values during configuration of parameters e With cycle in progress visualize cycling setpoint value and if configured also other data 10 e Enter list of available cycles or configuration mode when the controller is in STOP mode e Press it for more than 1 second to enter functions menu with cycle in progress o 11 9 e Start new cycle or stop cycle in progress e ESCAPEkey when the controller is in configuration mode 12 Q e Confirm entered value or selected function 63 26 Programming and configuration There are two different levels of programming 1 Programming of cycles for operator user means entering of time setpoint values for each step segment of cycle 2 Configuration for manufacturer installer of plant means entering of basic parameters sensor type outputs functioning operating of auxiliary output 26 1 Programming or modifying cycle data A With or without starting setpoint with or without timed auxiliary outputs The above specifications underline the possibility given to the installer plants manufacturer to choose the sequence of operations required for the programming of a firing cycle This paragraph includes all available options In case that the installer decides to chose a simplified programmin
34. ues to visualize if input AN2 is configured as V MA Alarms hysteresis 999 3000 digits Hysteresis for alarms tresholds This function is useful to avoid disturbing oscillations of outputs Configuration alarm no 1 corresponding to output OUT Configuration alarm no 2 corresponding to output A1 Configuration alarm no 3 corresponding to output A2 These parameters allow to select the operating mode for the relay or SSR outputs when they are not used for process control see P 05 Beside alarm modes described on chap 30 available options include also auxiliary functions related to time steps to rising dwell cooling gradient or to the state of controller during cycle execution or at cycle end Setpoint values comparison values must be entered on parameters P 14 16 1 Digit Type of operation ALL EVN ALL ALL EVN ALL AUX AUX AUX Output not used as alarm auxiliary event Independent related to process 3 Digit Active in RUN N O or N C selected on 2 Digit Independent related to setpoint Band setpoint process Active at cycle end Deviation setpoint process Timed related to step On or Off for each step Active for rising steps or dwells Active for cooling steps 60 Nj GO 01 RAION 80 214 Digit Operating zone for alarm and state of contact 0 Active under independent or deviation alarm or inside band alarm Co
35. uring the cycle pressing Scroll key Chronometer output Step number hours minutes 0 100 1 20 max No No No No Yes Yes Yes 7 Yes Yes Yes 3 Digit Select type of degrees 0 Celsius 1 Fahrenheit F 1 Lower brightness Block of cycle programming enable endless step and waiting function for multi loop applications 1 digit modify of some or all cycles can be locked to avoid that specific programmed options are lost due to wrong programming 2 digit enable desable possibility to program endless steps step ends only when the operator presses Stop key see 26 1 2 3 digit this option is relevant only for plants with two or more control loops it defines max temperature gap between two or more zones ex kiln with two control zones if this gap is bigger than programmed value cycle stops and controller waits until uniform values are reached Beside Waiting function as described on 31 3 this option assures reliable control of cycle data 1 Digit Cycle programming block 0 No block 1 8 Block programming of cycles 1 8 9 Block programming of all cycles 2 Digit Endless step 0 Endless step enabled 1 Endless step desabled 3 Digit Double loop max gap between process 1 2 for setpoint block see 31 4 0 Gap process 1 2 not considered Gap process 1 2 5 units ex 5C Gap process 1 2 10 units ex Gap process 1 2 15 units ex Gap process
Download Pdf Manuals
Related Search