3204 1/32 DIN Autotune Temperature Controller
Contents
1. SNOILdO YO STIAIT ADNVHO OL YAHLASDOL Y X 10 X AIM 9 ze o Ip paunBijuoo sud sindino 1194 eAey Sjepoy suondo indino pss Iend pue Aejay eng 210N pjoq u umoys sbuinas A049264 a qeoldde JI uollduSs p Japun pai ui umoys 1lu uusn pv Jo ebuey wejbold lqes q 3901 iuino s nus suonoundg Main Setpoint SP1 Process Temperature PV LED Indication or Setpoint SP Value INSTRUMENT ADJUSTMENTS To enter or exit program mode To scroll through functions To change levels or options To view setpoint To increase setpoint To decrease setpoint To reset an alarm or fault condition Second Setpoint SP2 LED Indication Press W together for 3 seconds Press or Y Press A together or Y together Press Press k A together Press Y together Press TY together briefly Notes If experiencing difficulty by becoming lost in program mode press and W together for 3 seconds to return to display mode check the INSTRUMENT ADJUSTMENTS above and try again When in program mode after 60 seconds of key inactivity the display will revert to either II none or if the initial configuration has been completed the measured value Any settings already completed will be retained Quick Start After power up the controller requires programming with the following information Type of Sensor Operating unit Allocation of Output2. high alarm low alarm band alarm Z A A YI A nm 77 f state Z Z gt SP___ SP SP __ A setpoint setpoint V setpoint V Z Y sp2 f set value UU Z Full scale Full scale high alarm low alarm KA AR 7 SP __ SP___ setpoint setpoint 77 Y Z dV hi sets off alarm signal when temperature rises above a pre set temperature above the set point dV Lo sets off alarm signal when temperature falls below a pre set temperature below the set point bAnd sets off alarm signal when temperature rises above or falls below a pre set temperature above or below the setpoint FS hi sets off alarm signal when the temperature rises above setpoint to a pre set temperature above scale minimum FS Lo sets off alarm signal when the temperature falls below setpoint to a pre set temperature above scale minimum Select level 1 and select FTSEJ and set the required setpoint value y If the factory set hysteresis 2 0 C 3 6 F is unsuitable Index to HE and adjust the setting Check EE is set to on oF for alarm Exit program mode SP2 is now operational as an alarm CooL see heat cool configuration SUBSIDIARY SP2 MODE RREH Latch sequence or non linear cool Latch alarm LtCh When activated the alarm latches until manually re set even though the alarm condition may have disap peared Sequence alarm hoLd When hoLd is selected in any alarm mode it prevents an alarm signal on power up Th
3. 10 and CYL 2 to 10 Level2 set EE to Cool Level 1 set HE un E to At SP Autotune will cause a temporary disturbance Check that the temperature has stabilized in heating mode before running the process in cooling mode If regular temperature oscillations occur change CYC t to optimum value To select Autotune Calculated Cycle time Further adjustments Cooling Autotune uses the same calculated IbAndi value for both SP1 heating and SP2 cooling In some pro cesses regular temperature oscillations occur when cooling Make the following manual adjustment I 4 In level 1 double the value of IN If no improvement return to the original value and In level 1 halve the value of WET If the process hunts between heating and cooling a deadband setting may be needed Enter a small value eg 1 and observe the process Increase the setting un til hunting stops Level 1 adjust value SEE Water Cooled Applications Water cooled applications operating at temperatures greater than 100 C may suffer from the non linear effect caused by water turning to steam This can be coun tered by the non linear setting for SP2 In level 2 set GE to nL in Multi Zone Applications When tuning multi zone applications like extruders distortions due to thermal interaction between adja cent zones can be minimized by running autotune on all controllers at the same time Calibration to Other Instrument If the controller and instrument
4. 4 digit display Optional features include RS 485 or RS 232 ModBus RTU digital communications 3 year warranty Approvals UL cUL CE 11 Two Relay Outputs Output 1 2 Amps at 250 VAC Output 2 1 Amp at 250 VAC Both resistive loads 71 Two Outputs Output 1 Solid State Relay Drive 5 Vdc 15mA Output 2 Relay 1 Amp at 250 VAC 77 Two Solid State Relay Drive Outputs 5 Vdc 15mA X 2 0 Add to complete model number 9 Special Configuration 0 None 1 RS 485 Digital Communications Interface 2 RS 232 Digital Communications Interface 0 90 264 Vac 1 12 24 VDC AC 20 2 Relay Output Code 11 is not available with the 12 24 VDC AC Power supply option 0 20 mA or 4 20 mA Linear input signal requires a 10 resistor 27 Sensor Selection Option Sensor Type Thermocouples Sensor Range tcb B 0 to 1800 G 32 to 3272F _Pt 30 Rh Pt 6 Rh tc E E 0 to 600 C 32 to 1112F Chromel Con tc J dl 0 to 800 C 32 to 1472 F lron Constantan te K K 50 to 1200 C 58 to 2192 F Chromel Alumel teL L 0 to 800 C 32 to 1472F _ Fe Konst te n N 50 to 1200 C 58 to 2192 F NiCrosil NiSil ter R 0 to 1600 C 32 to 2912F Pt 13 Rh Pt tcs S 0 to 1600 C 32 to 2912F Pt 10 Rh Pt tct T 200 250 C 273 482 F Copper Con Linearity 2 0 0 5 0 5 0 25 0 5 0 25 2 0 2 0 0 25 Resistance Temperature Detector rtd 200 400 C 273 752F Pt100 RTD 2 0 25 Linear Process Inputs Input mV range 0 to 50mV Displays PYM 4 20mV Lin1
5. Device to SP1 SP2 Relay or SSd Temperature Setpoint eg Degrees When the above information has been programmed into the controller it will be operational with the follow ing factory settings Proportional band Gain 10 C 18 F Integral time Reset 5 mins Derivative time Rate 25 secs Proportional cycle time 20 secs Typical setting for relay output DAC Derivative approach control 1 5 Average setting for min overshoot TIP Please note that in this manual the functions are reversed out from a black background and the options are shown in bold italic eg PITI and ParK Note In this manual the letter k is represented by the character m Note During the following procedure the display will revert to alternating faim and none after 60 seconds of key inactivity but will retain any set tings already completed Should this occur or in the event of becoming lost in the program please start again from the alternating UZ and nonE display Quick Start Set Up On power up the controller will display the self test se quence followed by alternating II and nonE 1 Select input sensor Press and hold x and use the A or Y buttons to scroll through the sensor selection list until the cor rect sensor is displayed Release the buttons The display now alternates selected sensor type eg MHA and Tc S Press once The display will now alternate unit and nonE Select unit Press and hold and use the A or
6. Lin2 Lin3 Lin4 Lin5 Notes 1 O 100 0 to 400 0 100 25 to 400 O 1000 0 to 3000 0 1000 250 to 3000 0 2000 0 to 3000 Linearity 5 95 sensor range 2 Linearity B 5 70 500 C K N 1 gt 350 C exceptions R S 5 lt 300 C T 1 lt 2013 Chromalox 25 gt 150 C RTD Pt100 0 5 lt 100 C Limited Warranty Please refer to the Chromalox limited warranty applicable to this product at http www chromalox com customer service policies termsofsale aspx Chromalox PRECISION HEAT AND CONTROL 1347 HEIL QUAKER BLVD LAVERGNE TN 37086 Phone 615 793 3900 www chromalox com Inc 0 5 0 5 0 5 059 0 5
7. TE is zeroed Function List The functions and options are available in four levels Note A Functions Menu is shown on the cover fold out LEVEL 1 Function Options Factory settings shown in brackets Select Autotune oFF on Park At Sp Used to switch the Autotune feature on and off to se lect ParK or Autotune at setpoint ParK temporarily turns the output s off To use select ParK and exit program mode To disable re enter pro gram at and select oFF SP1 Operating Parameters EGEE 0 1 to C F 10 C 18 F SP1 proportional band Gain or Hysteresis 25 sensor maximum Proportional control eliminates the cycling of on off control Heater power is reduced by time proportion ing action across the proportional band Too narrow Too wide oscillates slow warm up and response increase decrease SP1 Integral Time Reset Auto corrects proportional control offset error oFF 0 1 to 60 minutes 5 0 Too short overshoots and oscillates Too long slow warm up and response FEE cer SP1 Derivate Time Rate Suppresses overshoot and speeds response to distur bances 1 200 seconds 25 disturbance Too short slow warm up and response under corrects Too long oscillates and over corrects SP1 Derivative Approach Control dAC Tunes warm up characteristics independent of nor mal operating conditions by controlling when deriva tive action starts during warm up small
8. Y buttons to scroll through the unit selection list until the correct unit is displayed Release the buttons The display will now alternate selected unit eg RIMA and C Press once The display will now alternate Ei and nonE 3 Select SP1 Main setpoint output device Note Dual Relay and Dual SSd Output Options Models have their outputs pre configured See Section Factory Set Output Options Press and hold and use the or Y buttons to select SSd or rLY as required The controller will now alternate selected output device e g ET and SSd 4 To enter initial configuration into controller memory Press and hold both and Y buttons for 3 sec onds The display will now alternate ParK and measured variable temperature eg 23 ParK is displayed because a setpoint has not yet been en tered To display setpoint Press and hold x The display will now alternate 0 and unit eg C To enter setpoint Press and hold and use A4 button to increase or Y button to decrease the reading and scroll to required setpoint value The digit roll over rate in creases with time THE CONTROLLER IS NOW OPERATIONAL WITH FACTORY SETTINGS Note For precise control of an application the con troller may need to be TUNED Please study sec tion headed FUNCTIONS and OPTIONS before moving to the section on AUTOTUNE Introduction The Controller The 3204 control can be optimized with a single shot autotune
9. and the transmission distances involved in the application A user s manual is supplied with the comms option For more information contact Chromalox See contact information on the last page of this manual It is suggested that users read the OVERVIEW section of this manual before any installation or set up proce dures are undertaken Note The controller will not be operational until ei ther the QUICK START or SET UP procedure has been completed TIP Please note that in this manual the functions are reversed out from a black background and the options are shown in bold italic eg PW and ParK e Proportional band Gain 10 C 18 F e Integral time Reset 5 mins e Proportional cycle tiMe 20 secs e Derivative time Rate 25 secs e DAC Derivative approach control 1 5 Autotune To precisely control an application the controller will need to be tuned using the built in AUTOTUNE fea ture Autotune teaches the controller the main char acteristics of the process and learns by cycling the output on and off The results are measured and used to calculate optimum PID values which are automati cally entered in the controller memory During AUTOTUNE the optimum cycle time is calcu lated but is not automatically implemented The cycle time requires manual acceptance unless pre selected To ens
10. relay rLY and rLY1 rLY2 General Displays IPTS 68 DIN 43710 20 1 0 05 C typical 1000 maximum DIN 43760 1000 0 C 138 50 100 C Pt 0 2mA maximum Keypad Environmental Humidity Altitude Installation Pollution Protection EMC emission 0 25 SM 1 C input 10Hz CJC 2 sec Negligible effect up to 140dB 240V 50 60Hz EMC immunity 60dB 50 60Hz Ambient 150ppm C SM Mouldings 22 C 2 C rated voltage after 15 minutes settling Weight time solid state relay driver To switch a remote SSR 5Vdc 0 15 15mA non isolated form A SPST contacts AgCdO 2A 250ac resistive load 1A 250ac resistive load 26 Main 4 Digits high bright ness green LED 10mm 0 4 high Digital range 199 to 9999 Hi res mode 199 9 to 999 9 LED output indicators flashing SP1 square green SP2 round red 3 elastomeric buttons Max 80 up to 2000M Categories II and III Degree Il NEMA 4X IP66 EN50081 1 FCC Rules 15 subpart J Class A EN50082 2 0 50 C 32 130 F flame retardant polycar bonate 110g 3 9 oz Ordering Information 3204 Compact 1 32 DIN AutoTune PID controller with the following standard features User selectable inputs thermo couple RTD or 0 20 4 20 mV or mA linear process inputs dual outputs for heat cool and alarm single ramp amp soak program latching alarm and limit control capabiliy with user program security levels Also NEMA 4X IEC IP66 front panel large
11. 00 0 to 3000 2 Select RIMINI then select the process unit C F Bar PSI Ph or rh If the required unit is not shown select Set 21 3 Allocate the output devices at function Ei as described in SET UP enter the configuration into the memory and proceed as follows Calculate the values for the controller settings for PET and SPAR using the example below as a guide 4 to 7mV input from transducer is required to dis play O 110 units Chose Linear Range Lin4 4 20mV 0 to 1000 units PEI Nominal Signal Span x required span actual signal span 20 4 x 110 0 587 7 4 EGER hi sc nominal scale span x hi SC Nominal Scale Span 587 1000 x 587 242 1000 These settings should provide the correct scaling ad justment but a value for Ero may need to be es tablished by applying the lowest and highest mV input signal and recording the display offset Check that this is the same at each end and enter this plus or minus value as a Ero adjustment Should there be a differ ence between the two readings a further adjustment of the SPAR setting can be made Communications Installation Cabling RS232 Connections RS232 is widely used for interfacing peripherals to PC s and is designed for serial communications with single instrument up to distances of 15 metres in a low electrical noise environment Connection is via a screened two core cable where the voltage signal on each line is referenced to t
12. FIGURATION Note Read only after initial configuration rSET ALL full reset to factory settings required to change Ei subsequently EG none rly SSd rLY1 rly2 ssdi Select SP1 output device nonE SSd rLY rLY2 rLY1 SSd2 Read SP2 output device read only Dual Relay and Dual SSd output options Models are factory set See Factory Set Output Options 17 HEE 01 c er 2 0 C 3 6F Adjust SP2 hysteresis or proportional band gain see CyC 2 setting 25 sensor f s on oFF 0 1 81 seconds Select SP2 ON OFF or Proportional Cycle Time Select on oFF for ON OFF mode or the cycle rate of SP2 output device for proportional mode EN none Ltch hold nin Subsidiary SP2 mode latch sequence Non linear cool proportional band INPUT SELECTION AND RANGING FRG n 01 Select display resolution for display of process tem perature setpoint OFSt Set 2 hi SC LoSC FRET sensor minimum sensor maximum C F Set full scale to SE sensor minimum sensor maximum C F Set scale minimum default 0 C or 32 F HA Select input sensor nonE See SENSOR SELECTION table MJ none C F bar Psi Ph rh SEt Select C F or process units Note when in initial configuration only Hold and A or Y for 10 seconds to move to or from out put devices in shaded portion Sensor burn out break protection ACAUTION Settings affect fail safe state SP1 SP2 UP SC Upscale Upscale dn SC Downscale Downsca
13. Installation amp Operation Manual 3204 1 32 DIN Autotune Temperature Controller Chromalox PRECISION HEAT AND CONTROL PK511 1 0037 75373 April 2014 Table of Contents Contents Page Number Safety amp Warranty loin iv Functions Menui aai pela rr 1 QUICK Staytuuu l aaa 3 Quick Start Set UD ices E E E E A E E E E E E A E A EE deste seeesaateraens 3 I PG ERE PERE 4 Tne Controllefiziaane aaa 4 OVErVIeW ana 4 Installation Lasi ibi ila iii aaa i iii 4 SEU iatale inn 4 AUtOtune ear 4 Cycle Timeu u u iaia nale alii 5 Set Up sscaiale ATTAT lia aan T A ata 6 POW T au ss nl 6 Select Input SeriSOr u u uu Saa a g pe Sii RE nia Eee 6 MClECEIDIS Plays WIS u u T E SNA ei iii 6 Allocate Output Device ae agiata 6 Enter Initial COmMOUratiOn evessccsectsnccces cavaiusien ctevuse p ET E EES ETER 6 Set Madin Setpoint spasenia ara alal iena 6 Men Navigati iiu saku u aerea 7 Using Programi MOG uu u u Gaan aGuuanasesskaywassaskassauwawakayqaawsusskaqaqaykassquypasqayanaaqauzasssskasuaqa 7 PURO TUNG oo u uuu TQ uu 2 as iaia ia kausa asas kasa dead TTT TA 8 Tune Programi uuu u u u uama u n ua a Q ana S ere errr ree 8 Tune at Setpoint Programs uu are iaia 8 Proportional Cy Cle T ie sisien insana u uu ia aa a aa ii iii 9 Cycle Time Selection MethodSs UU UU ULU aaa saaaaskwnaaasasana asa ssanan ESENES RANNE EE Sana REENER SEEE 9 Cycle Time Recommendations c uao 9 Autotune Calculated C
14. Press A together or Y together to change levels or alter options Note If experiencing difficulty by becoming lost in program mode press 4 and W together for 3 seconds to return to display mode check the Menu Navigation summary above and try again Autotune Select the most appropriate method of Au totune Tune or Tune at Setpoint to suit the application Note The proportional cycle time can be pre selected before starting Autotune see PROPOR TIONAL CYCLE TIME The TUNE program should be run with the load cool The output is cycled at 75 of the setpoint value to avoid any overshoot during the tuning cycle The warm up characteristics are monitored and set DAC which minimizes overshoot on subsequent warm ups The TUNE AT SETPOINT program is recommended e when the setpoint is below 100 C 200 F where TUNE s tuning cycle at 75 setpoint may be too close to ambient to produce good results e when the process is already hot and the cooling rate is slow e when controlling multi zone or heat cool applications to re tune if the setpoint is changed substantially from previous Autotune Note dAC is not re tuned by TUNE AT SETPOINT Tune Program Temp Setpoint H lt cy Tuning pac PID EUnE Cycle H N i 75 SP 1 1 4 on off New PID values tuning cycles entered E 100 output Start R m gt Time Enter program mode and s
15. TIONS Note In this manual the letter k is represented by the character B Set Up This section gives details on e Power up e how to select the input sensor e how to select the operating unit e how to select SP1 the main output device e how to enter the initial configuration e how to set the main set point Power Up On power up the controller will display the self test se quence and brief display blanking and then alternately display ENE and nonE Select Input Sensor Press and hold and use either the or Y buttons to scroll through the sensor selection see FUNCTION MENU When the correct sensor is displayed release the buttons The controller will now alternately display selected sensor type HA and eg tc S To Select C F Press and release the A button the controller will now alternately display unit and nonE Press and hold the button and using the button select C F Bar PSI Ph Rh or SEt as required Re lease the buttons when the correct unit is displayed The controller will now alternately display selected range eg C and unit Main Setpoint SP1 LED Indication To Select Sp1 Main setpoint output device Press and release the button the controller will now alternately display Gi and nonE Press and hold the button and using the button select SSd or rLY as required Release the buttons when the correct device is displayed The controller will now alterna
16. e even 1 Option 2 8 o odd 1 ES Debug Commissioning and troubleshooting aid Display shows when the instrument is transmitting or receiving data by rapidly flashing the three horizontal segments of the first and last digit of the display First digit Tx last digit Rx Default Off Options off on Only use dbuG during commissioning or trouble shooting because it shares display segments and therefore corrupts the normal display Configuring Instrument Comms Settings This should also be done immediately after power up and is only possible from the instrument front panel On power up the controller will display the self test se quence followed by Alternating and none Note During the following procedure the display will revert to alternating and none after 60 seconds of keying inactivity but will retain any settings already completed Should this occur or in the event of be coming lost in the program please start again from the alternating and none display To select Level C communications settings Press Y once display alternates PLE UL and 5 Press and hold and Y five times to reach level C display alternates ESU and C Note Level C is only visible when the comms inter face board is fitted to the unit To set instrument comms address Press once display alternates GEE and 0 Press and hold and to index to chosen address number 1 to 247 Note In the absence of any conflicti
17. e alarm is enabled only when the process temperature reaches setpoint A A A A SP SP SP SP setpoint setpoint setpoint setpoint y 777 Z O Without sequence With sequence alarm alarm Alarms on No alarm on Alarm Alarm operates power up power up enabled normally To Configure SP2 as a Proportional Control Output In level 2 select HEN then select the required op tion In level 1 select NE and then set the required proportional band In level 1 select SP2 value y and then set the setpoint SP2 Output and LED Indication States SP2 Alarm Annunciator In Alarm Condition When an SP2 alarm mode is selected in SP2 A the Alarm On Off Proportional alarm annunciator AL is displayed alternating with Type Operating Mode Operating Mode the process temperature during alarm condition Deviation SP2 Output SP2 LED SP2 Output SP2 LED State State State Note The annunciator may be disabled by select ing function no ALI option on in level 4 EE On Off Mode Only SP2 in Cool Strategy See heat cool configuration in ADVANCED SETTINGS Output ON Output OFF 1 Relay or SSd energized Relay or SSd de energized LED ON Main Setpoint SP1 Process Temperature PV LED Indication or Setpoint SP Value Second Setpoint SP2 LED Indication 13 Error Messages Sensor Fault Display flashing EU and FaiL Indicates thermocouple burnout RTD Pt100 open
18. e panel clamp over the controller sleeve pressing it firmly against the panel until the control ler is held firmly 3 The controller front bezel and circuit board assem 22 0 28 5 lt 1 12 bly can be unplugged from the sleeve Grasp the i pera bezel firmly by the recesses on each side and pull XI A screwdriver can be used as a lever if required 4 When refitting the bezel assembly it is important to press it firmly into the sleeve until the latch clicks in order to compress the gasket and seal to NEMA4X 106 7 4 2 with gasket fitted La 116 2 4 57 IP66 Cleaning DIN Panel Cutout Size Wipe down with damp cloth water only 1 32 DIN panel cutout size 45 0mm 0 6mm 0 0mm 1 77in 0 02in 0 0in wide 22 2mm 0 3mm 0 0mm 0 87in 0 01in 0 0in high 9 5mm 0 374in maximum panel thickness Note The controller should be isolated before re moving or refitting it in the sleeve and electrostatic precautions should be observed when handling the controller outside the sleeve Minimum Spacing 1 16 DIN 1 32 DIN Cut out Cut out 20 mm 0 79 PES 10 mm 0 39 24 Electrical Installation Supply Voltage The controllers are designed for use with the following supply voltages 100 240V 50 60 Hz 10 4 0VA 12V 24V AC DC 20 4 0VA Polarity is not required The controllers are fitted with an internal 250mA time lag fuse Output Devices Two output devices are fitted to the co
19. econds of inactivity To Enter Program Mode from Normal Operating Mode Press and hold both and Y buttons for at least 3 seconds Release the buttons together when the function HE un is displayed this is the program entry point The con troller will now alternately display the function and op tion setting of that function e g tunt and oFF To View Function on the Same Level Press A or Y button once to view the next function Press and hold or Y buttons to scroll through func tions To Display the Current Option or Value for a Function On release of or Y buttons option alternates with the function To Change an Option Value or Setting Press and hold the button then press A to increase or W to decrease the value or select the next option Note Check the new option value before moving to another function or exiting program mode To Change Levels Press and hold W to scroll through the functions until LEUL is displayed Release Y to display current level Press and hold the button then press A to increase or W to decrease the level Release buttons when re quired level is obtained Note Control commences with any new instruc tions now entered in the memory To Exit Program Mode Press and hold both and Y buttons for at least 3 seconds REMINDER OF INSTRUMENT ADJUSTMENTS Press and Y together for 3 seconds for pro gram entry or exit Press or Y to scroll through functions
20. either on initial warm up or at setpoint A sec ond setpoint can be configured in a variety of alarm modes or PID Heat Cool strategy A programmer offers a single ramp to setpoint with a choice of timed soak period before switching off the output Control of non temperature processes is achieved by the provision of linear input ranges and scaling in com monly used engineering units Serial communication is available as an option on the 3204 and the easy to use SOFT 3204 is a graphic WINDOWS based software package designed for PC supervision of up to 32 instruments for remote adjust Overview Installation The Model 3204 controller is designed to be mounted in a 1 32 DIN panel cutout See the MECHANICAL INSTAL LATION section Set Up After installation the controller is to be programmed with the following information e Type of Input Sensor e Operating unit C or F etc e Type of Output Device e Temperature Setpoint Note The controller will not be operational until this information is entered When the above information has been programmed into the controller it will be operational with the follow ing factory PID proportional band integral time de rivative time settings ment configuration cloning saving and retrieving set tings to files and logging and charting in real time SOFT 3204 uses the MODBUS protocol via either a fully isolated RS232 or RS485 link depending on the number of instruments
21. elect HE une The controller will alternately display and oFF Press and hold and press once The controller will alternately display PRR and on Exit program mode The TUNE program will now start The controller will al ternately display HE un E and the process temperature as it climbs to setpoint Note During tuning the main setpoint SP1 LED will flash When the TUNE program is complete the alternat ing display stops and the process temperature is dis played The PID values are entered automatically The process temperature will rise to setpoint and control should be stable If not this may be because optimum cycle time is not automatically implemented To set the cycle time see PROPORTIONAL CYCLE TIME Tune at Setpoint Program Temp Start RSU At SP A Overshoot during tuning Setpoint New PID values rane entered 1 3 4 on off tuning cycles Time 100 output Enter program mode and select PPT The controller will alternately display HE un E and oFF Select NH 4t SP The controller will alternately display LE un and At SP Exit program mode The TUNE AT SETPOINT program will now start The controller will alternately display HE un and the pro cess temperature Note During tuning the main setpoint SP1 LED will flash When the TUNE AT SETPOINT program is complete the alternating display stops and the process tempera ture i
22. er dAC value nearer setpoint 0 5 5 0 x bAnd 1 5 Too small overshoots Too large slow stepped warm up D UTM A onoF 0 1 81sec 20 SP1 Proportional Cycle Time Determines the cycle rate of the output device for pro portional control Select on oF for ON OFF mode Piss 0 to c F SP1 Offset Manual Reset 50 bAnd Applicable in proportional and ON OFF mode with integral disable Int t oFF EGR FF on Lock Main Setpoint Locks the setpoint preventing unauthorised adjust ment PROGRAMMER SETTINGS EZE 0 to 9995 deg hour Sets the ramp rate E on oFF hold Switches the ramp on or off or hold at last ramp value EU oFF 0 to 1440 min Sets the soak time SP2 OPERATING PARAMETERS Ei oto C F o Adjust SP2 setpoint Deviation Alarms DV hi DV Lo bAnd 25 sensor maximum Full scale alarms FS hi FS Lo sensor range f s LEVEL 2 MANUAL CONTROL MODES ii 0t0100 read only Read SP1 output percentage power EGRE oFF 1t0100 not in ON OFF SP1 Manual Percentage Power Control For manual control should a sensor fail Record typical SP1 P values beforehand FW ootoo duty cycle loo Set SP1 power limit percentage Limits maximum SP1 heating power during warm up and in proportional band EE 100t00 dutycycle 100 Set SP2 percentage power limit cooling SP2 OPERATING MODES Ei INonE dv hi dV Lo bAnd FS hi FS Lo Cool Main SP2 operating mode LEVEL 3 OUTPUT CON
23. ess and hold both and Y buttons for 3 seconds to enter it into the controllers memory Pre Select Automatic Acceptance of any Autotune Cycle time Before selecting Autotune enter program mode 1 Select EYEE 2 Press and hold the button then press and hold Y until indexing stops and A is displayed Note A indicates that no cycle time exists 3 Press and hold W to scroll to tunt The controller will now alternately display HE un E and OFF Press and hold the button and use A to select either on or At SP Release A The controller will now run Autotune and will accept the calculated cycle time To Pre Select Cycle time Before Autotune Before selecting Autotune enter program mode Select HAS HES Press and hold the button then press A to increase or Y to decrease the displayed cycle time Release buttons when required value is displayed Select PRR or index to another function then exit program mode Factory setting lt A Manual settings V Seconds lt I ON OFF lt Autotune calculated cycle time Programmer Ramp Soak This feature enables the controller to ramp up or down from current temperature to a target setpoint at a pre determined rate It then controls at the target setpoint for an adjustable soak period before switching off the heat output Set Ramp rate 0 to 9995 deg hour 1 Press 4 and W buttons for 3 seconds to enter pro gram entry point HE un 2 Pr
24. ess s to scroll to SP re 3 Press and hold then press A or Y to scroll to required value Set Soak if required 0 to 1440 minutes 4 Press A to scroll to CGI 5 Press and hold then press or Y to scroll to required soak period 6 Set Ramp On Off On hold 7 Press to scroll to SPE Al 8 Press and hold x then press A to select On setpoint Ramp hour Target setpoint gt Time Time Exit program to enter settings into memory and com mence ramp to target setpoint Notes e In Ramp on configuration if power is removed from the controller the Ramp will re start when power is restored e The Ramp hold option suspends the ramp at its last value e f no Soak period has been set control at target setpoint continues indefinitely SP2 deviation alarms follow the ramp setpoint and can be used to alarm out of limits ramp rate AWARNING The Soak timer is triggered when the ramp set point reaches the target setpoint If the ramp rate is set too fast for the process the Soak timer will be triggered before the process tem perature reaches the target setpoint Second Set Point SP2 The second setpoint SP2 can be used to trigger an alarm or as a proportional control output To Configure SP2 as an Alarm Enter program mode Select level 2 then HEN followed by the required option below Deviation Deviation Deviation
25. figuration before using this function otherwise initial configuration and OEM settings must be re entered Press Y to access following functions GE Auto stay Program mode auto exit switch Auto exit returns display to normal if 60 seconds of key inactivity select StAY to disable ESM FF on Disable SP2 alarm annunciator AL Select on to disable AL EI dir 11032 6 Display sensitivity dir direct display of input 1 maximum 32 minimum sensitivity FI o1to1 0 0 5 Derivative sensitivity IMPORTANT NOTE FOR OEM s For safety and to protect settings from tampering USE THE SOFTWARE SECURITY LOCK THEN REMOVE THIS SECTION Factory Set Output Options Dual Relay or Dual SSd Output Models The table below details the factory set output options rLY2 is a 1A electromechanical relay and SSd1 SSd2 is an identical second SSR drive output Terminals 3 4 5 6 rLY1 2A rLY2 1A Model Type Dual Relay Drive QUICK START or SET UP Follow steps 1 and 2 ignore step 3 and proceed straight to step 4 Advanced Settings Before embarking on the Advanced Settings please familiarize yourself with the basic operation of the con troller as described in this manual The following in structions assume that the user understands how to make the initial configuration can navigate through the Function Menu and successfully Autotune the control ler in heating mode Heat Cool Strategy Configurat
26. h any cycle time between 0 1 and 81 sec This cycle time will not be changed by any Autotune functions For selection method see Pre Select Cycle time Before Autotune Factory Set To use the 20 sec factory set cycle time no action is needed whether Autotune is used or not Further information can be programmed into the con troller See SECOND SETPOINT RANGING AND SET POINT LOCK IMPROVING CONTROL ACCURACY Functions and Options The facilities of the controller are selected from the multilevel menu using the front panel mounted buttons Note It is advisable to study this section before any programming is undertaken Each level within the multi level menu offers different functions see FUNCTIONS MENU for menu of main functions Each function has a range of user selections or options see FUNCTION LIST for functions and op tions details TIP Please note that in this manual the functions are reversed out from a black background and the options are shown in bold italic eg HE un and Park The controller has two modes program mode and op erating mode When in program mode the controller can be programmed with settings and functions to suit the application When in operating mode the control ler uses the setting and functions entered in the pro gram mode to control the application and also displays the process variable temperature For full details on how to program the controller see VIEWING AND SE LECTING FUNC
27. he screen which is grounded Most PC s have one or two RS232 compatible ports fitted as standard Figure 2 0000000 3204 PC Com Port Rear Terminal DB 9 Pin RS485 Connections RS485 is a half duplex serial communications link and is the standard most commonly used for industrial ap plications due to it s high noise immunity and multi drop capability It enables a PC to communicate with up to 128 instruments over distances up to 1200 me tres and requires the addition of an RS485 interface card or a separate RS232 485 converter Figure 3 Connections if PC 485 Card Used To Additional Units 22 Instrument Comms Settings Immediately after power up both instrument and PC comms settings need to be made compatible before communication between them is possible Instrument defaults are shown below together with available op tions GEE Address This is a unique identification num ber that must be allocated to each instrument connect ed to the network Default 0 Options 1 to 247 EMME Baud rate The setting determines the serial communication data transmission rate in bits sec and must match the PC settings Default 9600 Options 1200 2400 4800 9600 and 19200 NOTE If a comms board has been retro fitted the de fault baud rate is 1200 FEE Data Sets the transmission format and must match the PC settings Data Format Table Data Stop Bits Parity Bits Default n none Option 1 1 8
28. i iaia iaia 22 Configuring Instrument COMMS Settings LLL IILI ass pas askasauwassaqanwsqawasqskiaqapaascusqaskaskasskakuasssn 22 Mechanical Installation u u u L RR 24 DIN Panel C t O 0tSu uu w u uuu hasqa Saa a EN Ead Ora lariana 24 MINIMUM SPacing iraica aaa ai 24 Mountinga a riti cala lalla 24 Electrical Installationi GRIi i i iasialiiile ila 25 General ReQUIFEMENTS scroto ia ine 25 GONMMECTION B E 0 109 PORRE I RECARE SRO RE O RR RE AR OR RR RE 25 Specifications iaia alia 26 Ordering Informationi lll L L a niente se wen nasa ein 27 Input Sensor Selection aa i deca ste awed aad nae nda aaia 28 Safety and Warranty Information Installation Designed for use UL873 only in products where the acceptability is de termined by Underwriters Laboratories Inc EN61010 1 within installation Categories Il and III en vironment and pollution degree 2 To avoid possible hazards accessible conductive parts of final installation should be protectively earthed in ac cordance with EN61010 for Class 1 equipment Output wiring should be within a grounded cabinet Sensor sheaths should be bonded to ground or not be acces sible Warranty and Returns Statement These products are sold by Chromalox under the war ranties set forth in the following paragraphs Such war ranties are extended only with respect to a purchase of these products as new merchandise directly from Chromalox or from a Chroma
29. ion Using Ei Cool Option Heat Cool strategy is a feature that improves control of processes that need heating and cooling depending on the conditions for example e Environmental test chambers used in rooms where the ambient temperature swings above and below the test temperature e Plastics extruders where the material initially needs heating then cooling when it begins to heat itself exothermically due to pressure and friction applied by the process The purpose of cool strategy is to maintain smooth control of the process during transition from heating to cooling This is achieved by using PID control for heating and 19 Dual Relay Models preallocate SP1 to terminals 3 and 4 Note Output device rLY rLY1 is rated 2A Output device rLY2 is rated 1A Dual SSR Drive Models offer the ability to change the allocation of SP1 to terminals 5 and 6 To make this selection during the initial configuration in either QUICK START or SET UP start from step 3 TO SELECT SP1 Main setpoint output device From the alternating display Gi and rLY1 press and hold button then press the once to display rLY2 cooling with the proportioning bands linked by an ad justable deadband From Cold normal procedure on a new installation Enter setpoint and allow the process to reach the set point using factory settings for heating only Autotune at Setpoint Make the following pre settings Level 1 set ELH to 1 0 EYEE to
30. le 1u 2d Upscale Downscale 1d 2u Downscale Upscale Select output modes Direct Reverse ACAUTION Settings affect fail safe state SP1 SP2 1r 2d Reverse Direct 1d 2d Direct Direct 1r 2r Reverse Reverse 1d 2r Direct Reverse Select Reverse on SP1 for heating and Direct for cool ing applications Select SP1 2 LED indicator modes SP1 SP2 1n 2n Normal Normal 1i 2n Invert Normal 1n 2i Normal Invert 1i 2i Invert Invert Ei oo to 25 sensor maximum Sensor span adjust For recalibrating to a remote standard e g External LEVEL 4 Access to level 4 is gained through fffafa in level 3 Press and hold and Y for 10 seconds Enter level 4 at Lock release and Y together Display will alternate and nonE Program Security Using Lock Select from three Lock options Press and hold press A to index LEV 3 locks level 3 and 4 only Technical Functions LEV 2 locks levels 2 3 and 4 only Configuration and Technical Functions ALL locks all functions unrestricted LEVL VEr Ee SPLK Note Locked functions and options may be read Meter data logger See ADVANCED SETTINGS 0 0 to 25 sensor f s Zero sensor error see SPAn HIS 0FF on Select control accuracy monitor FPEREI Var hi Lo Read control accuracy monitor CtA CTb Cti Ct2 Ct3 Ct40S1uSoS2 Read Autotune tuning cycle data Software version number GES nonE ALL Resets all functions to factory settings ACAUTION Note current con
31. lox distributor repre sentative or reseller and are extended only to the first buyer thereof who purchases them other than for the purpose of resale Warranty These products are warranted to be free from function al defects in material and workmanship at the time the products leave Chromalox factory and to conform at that time to the specifications set forth in the relevant C instruction manuals sheet or sheets for such products for a period of three years THERE ARE NO EXPRESSED OR IMPLIED WAR RANTIES WHICH EXTEND BEYOND THE WAR RANTIES HEREIN AND ABOVE SET FORTH Live parts should not be accessible without use of a tool It is the responsibility of the installation engineer to ensure that this equipment s compliance to EN61010 is not impaired when fitted to the final installation and to use this equipment as specified in this manual failure to do so may impair the protection provided Ensure the installation is in compliance with appropri ate wiring regulations Configuration All functions are front selectable it is the responsibility of the installing engineer to ensure that the configura tion is safe Use the program lock to protect critical functions from tampering Ultimate Safety Alarms Do not use SP2 as the sole alarm where personal injury or damage may be caused by equipment failure CHROMALOX MAKES NO WARRANTY OF MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE PRODUCTS Limitati
32. ng information the following comms settings should be left as the default values 23 To Read or Adjust Comms Settings Baud Rate Press once display alternates PUBE and 9600 Default setting Press and hold and use A or Y keys to select pre ferred value Data Format Press once display alternates Default setting Press and hold and use A or Y keys to select pre ferred setting JOLO oncn and 18n1 Debug Settin Press A once display alternates EmA and OFF Default setting Default setting Press and hold and use A or Y keys to select ON To Enter Settings Into Memory Press and hold A and W for 3 seconds display alter nates and none To check settings repeat the above procedure The unit is now ready to be configured from the PC Note Where more than one instrument is connected to the system it is useful at this point to list them by location title and comms address The list can then be used as a reference to ensure that the instruments are given the same identity when configuring the comms link from the PC Mechanical Installation 3204 s are sleeve mounted with their front bezel as MOUNTING sembly rated NERA 1Poo provided Tot To mount a Controller proceed as follows e the panel is smooth and the panel cutout is accurate 1 Check that the controller is correctly orientated and e the mounting instructions are carefully followed then slide the unit into the cutout 51 0 2 Slide th
33. ntrollers 1 Solid state relay drive SSd 5Vdc 0 15 15mA non isolating To switch a remote SSR or logic 2 Miniature power relay rLY 2A 250V resistive Form A SPST contacts Output Device Allocation Either output device may be chosen as the output device for the main setpoint SP1 the remaining de vice being automatically allocated to the second set point SP2 Choose the most suitable output device arrangement for the application and wire accordingly Refer to factory set output options Wiring the Connector Prepare the cable carefully remove a maximum of 7mm 0 275in insulation and ideally tin to avoid bridging Prevent excessive cable strain Maximum recommend ed wire size 32 0 2mm 1 0mm2 18AWG 0 04in2 Inductive Loads To prolong relay contact life and suppress interference it is recommended engineering practice to fit a snub ber 0 1uf 100 ohms ACAUTION Snubber leakage current can cause some elec tromechanical devices to be held ON Check with the manufacturers specifications EN61010 CSA 22 2 No 1010 1 92 Compliance shall not be impaired when fitted to the final installation Designed to offer a minimum of basic insulation only The body responsible for the installation is to ensure that supplementary insulation suitable for Installation Category II or Ill is achieved when fully installed 25 To avoid possible hazards accessible conductive parts of the final installation should be pro
34. o dwey yoo enuen 40 WIL yoeoiddy uurL 19say pueg Wed 10 ujpiBol d 9 9 A9 ZdS dold ZdS ysnipy weog yOdwey julodjesg julodjes SHO emenuag AneAu q uliej5 lui dodd dS umolnv SONILLAS ZdS SONILLIS H WNIWVH9OHd SONE STES a7 I 33S Us 1009 07 S4 Ud Sd leos Iny IY S4 Aluo apow VQ 4 Josues n uosuas our puyq euoluodosd o 3uou quou 0 UIL 0 Xew ploy HON OTAD 00L 910 Ajuo pesi spun JOSUSS 10su 0 0 JOSUPS 0 0 sai6ap 3uou Y AP 3uou 0 0 00L 0 0 OOF indino 00 010 fejdsig ndul UN xe poio PPONZAS pow indino andino jenuew indino 99S 99l9S SIEIS 19S FIB9S 10S uon puoses ZdS UIEN dS YU LdS Hur LdS pey NANI FUNDIINOO NI9NVH Ea S3COW ds SIN3INLSNFOV IVNNVIN Aqua meys yono RENT RT PRETE EE E PEC EA ES Sd ee so sn iL so flo IIn 4osu s uo 10 ST S JOSU S IIb IT PL AZIL pees AH PSS TO HO 6 p 900 SzO9100 ul UZIL PT PL nz pL pani PSs 3uou Au quou mo MI ol y AVA uo HO quew yuow fug uL pzil os up os dn eoneg yun eq oun soyuoW J4opuon asnfpy isnipy sg31d 0 sindino no uang andino andino ynsuog pe y pe y 0197 ueds asJOneU osJonai 1Josu s Tv 3uou uoisi gA QJEMYOS VIVO FONVINUOdHId NOILLVYSIIVS SONILLAS ALSAVS LANdLNO AYNDIANOD G0 44P XO L 0 L 0 unnisu s SAI EALIOG
35. ons Chromalox shall not be liable for any incidental damag es consequential damages special damages or any other damages costs or expenses excepting only the cost or expense of repair or replacement as described above Products must be installed and maintained in accordance with Chromalox instructions There is no warranty against damage to the product resulting from corrosion Users are responsible for the suitability of the products to their application For a valid warranty claim the product must be re turned carriage paid to the supplier within the war ranty period The product must be properly packaged to avoid damage from electrostatic discharge or other forms of harm during transit SNOILONNI MAIA OL Y 40 A AIM DIGL 10096 Lens uo HO 0084 ssz010 Mongo Ayanoy O8L L38 LUgL 00pz 00z1 sseusppy SIWWOO XH XL yewo eyeq leu pneg ju uinansul oi SJA Ajuo SONILLAS SWIWOO9 9 9197 4 9 0 2 leSs In 481 901 S JOSU S JO yo yu S s oz oas gz S OOL 0 Jos N dnoy 6ep puyq x 99S 18 0 99S 006 JOSUBS S ds ses 1g 0 6 p po 40sues uu OPP ploy 066690 uo jo 0S0 0 L o 4ouo GL PUYG O11 HO uiw UU 0 Bap p o Wed Juni LO Ho uO ISAH quiodjas 010 HO 4o UO eu tds 0 s u 40 UO X0 S 01 9 0 1eu 09 0 L 0 4O is Au ueB uo 440 Anuz HO uQ_ uley pueg ZdS uurL u
36. or short circuit or negative over range Action Check sensor wiring Non Volatile Memory Error Display flashing EG and FaiL Action De power briefly Replace unit if problem persists Manual Power Error Display flashing EG and FaiL SP1 set to ON OFF in CYC t Action Select proportional mode Immediate Fail On Autotune Start Display flashing setpoint PENG and Fail 1 No setpoint entered Action Enter setpoint 2 SP1 set to ON OFF in PERS Action Select proportional mode Note To reset and clear error press Y together briefly to cancel message Fail Later During Autotune Cycle The thermal characteristics of the load exceed the Au totune algorithm limits The failure point indicated by any display 0 0 in EECH eg Ctb 0 0 see diagram below Action 1 Change the conditions eg raise setpoint 2 Try ES At sP 3 Check SP1 P percentage power see IMPROVING CONTROL ACCURACY 4 If the error message persists call for advice Reading Autotune Tuning Cycle Results in 1 Index to H release A or W display will alter nately display EECH and C A Press and hold the display will alternate Ct A and value eg 10 4 Keep pressed and press once the display Ct B and value eg 19 6 Repeat step 3 above to view Ct 1 Ct 2 Ct 3 Ct 4 oS 1 uS and oS 2 Autotune tuning data and limits PID Temp Pac Setpoint New PID values entered gt Time 100 out
37. put Improving Control Accuracy The following functions are to assist engineers with machine development commissioning and trouble shooting SPIRI Read Sp1 Output Percentage Power Poor control may be due to incorrectly sized heaters Gi Level 2 constantly displays the output per centage power applied which at normal setpoint should ideally be within 20 80 to achieve stable control WN Control Accuracy Monitor This measures the control stability to within 0 1 C F The monitor is started using NY Level 3 and the variance deviation maximum and minimum tempera tures are displayed and constantly updated in Variance Maximum 0 1 hi Temp Minimum Time 15 Using the THER Control accuracy monitor To start the monitor select HEL on Note During monitoring either return to normal op eration or remain in program mode To view monitor readings index to PTI The display will alternate between PETEI and Var Press and hold x the display will alternate between Var and the variance displayed in degrees e g 0 6 Press and hold and press once the display will al ternate between VAr and the maximum hi displayed in degrees e g 320 3 Press and hold and press once the display will al ternate between VAr and the minimum Lo displayed in degrees e g 319 7 TREH oFF stops monitor retaining readings HEL on resets readings On de powering HEL resets to oFF and
38. r W to scroll through functions Press A together or W together to change levels or alter options Note If experiencing difficulty by becoming lost in program mode press A and W together for 3 seconds to return to display mode check the Menu Navigation summary above and try again Factory Set To use the 20 sec factory set cycle time no action is needed whether autotune is used or not Cycle Time Recommendations Output Recomm Load Max Device Minimum resistive Internal relay 20 10 seconds 2A 250 rLY rLY1 seconds Vac Internal relay 20 10 seconds 1A 250 rLY rlY2 seconds Vac Solid state 20 0 1 seconds Externally drives seconds fitted SSR SSd SSd1 SSd2 n a To Select AUTOTUNE CALCULATED CYCLE TIME On completion of Autotune enter program mode Select iia The controller will now alternately display RETE and 20 the factory setting To view the calculated optimum cycle time press and hold the button then press and hold Y until indexing stops The controller will display the calculated cycle time ur L and eg A 16 This indicates that the calcu lated cycle time is 16 seconds If this cycle time is suitable press and hold both and Y buttons for 3 seconds to enter it into the controllers memory If the calculated cycle time is not compatible with the switching device press and hold the button then press and hold or Y until a more suitable cycle time is displayed Release the buttons then pr
39. readings are different the Ero and or Gi function in Function Menu Level 3 will require adjustment Adjust Ero to make an equal adjustment across the full scale of the controller and SPAN to make a correction when the error increases decreases across the scale To adjust using the ZERO function 1 Substitute measured values in the expression Instrument reading controller reading Ero Example Instrument reading 396 Controller reading 400 396 400 4 Adjust HA to 4 to correct error To make a correction when there are different errors across the scale 20 Adjust using the PTZ Function 1 Choose a temperature near the bottom and another near the top of the scale 2 Run the process at the lower temperature T1 Note the error E1 between the controller and the instrument readings 3 Repeat at the upper temperature T2 and note error E2 4 Substitute the values for T1 T2 E1 and E2 in the expression below to calculate SPAR E E X hi SC SPAn T T1 For hi SC settings see level 2 Example T T Instrument reading 58 385 Controller reading 60 400 Error E 2 E 15 15 2 x 450 13 x 450 17 9 385 58 327 5 Therefore adjust SPAn to 18 to correct error Notes 1 After making the adjustment the reading will immediately change Allow time for the tem perature to stabilize at T2 before making any further adjustment At this point a ZE
40. ro adjust ment may be needed refer to step 1 above 2 Check that the temperature correctly stabilizes at T2 and then adjust setpoints to T1 If an error is present at T1 repeat from step 2 Linear Input Calibration In addition to the ten temperature inputs the control ler has five linear input ranges which can be calibrated to display a range of engineering units This procedure involves making adjustments to the controller s PRE E Pol and ISPRA adjustments found in function menu levels 2 and 3 Note The controllers linear inputs are in mV If your transducer provides an output in mA this should be converted to mV by feeding the controller input via a high stability one ohm resistor see Figure 1 Other low Vdc signals can be connected via a suit able voltage divider network to match the control ler input requirements Figure 1 009000009 0 63566006 Outputs Supply 1 Power up the controller and in response to the prompt UB nonE select an appropriate Linear Range from the table below Ensure that the Nominal Signal Span chosen is wider than the transducer s actual signal span and the Nominal Scale is wider than the full scale of the engineering units to be displayed Linear Nom Nom Max Scale Range SignalSpan Scale Span Settings Lin 1 0 20 mV 0 100 0 400 Lin 2 4 20 mV 0 100 25 to 400 Lin3 0 20 mV 0 1000 0 to 3000 Lin 4 4 20 mV 0 1000 250 to 3000 Lin 5 0 20 mV 0 20
41. s displayed The PID values are entered automati cally The process temperature will rise to setpoint and control should be stable If not this may be because optimum cycle time is not automatically implemented To set the cycle time see PROPORTIONAL CYCLE TIME Proportional Cycle Time The choice of cycle time is influenced by the external switching device or load eg contactor SSR valve A setting that is too long for the process will cause os cillation and a setting that is too short will cause un necessary wear to an electro mechanical switching device Cycle Time Selection Methods The following methods of cycle time selection may be used Autotune Calculated After Autotune has been run and completed the calcu lated cycle time can be manually accepted or adjusted to suit the switching device For selection method see Select Autotune Calculated Cycle time Pre Select Autotune Cycle Time The controller can be programmed to automatically ac cept any calculated Autotune cycle time For selection method see Pre Select Automatic Acceptance of Any Autotune Cycle time Pre Select Before Autotune The controller can be programmed manually with any cycle time between 0 1 and 81 sec This cycle time will not be changed by any Autotune functions For selection method see Pre Select Cycle time Before Autotune REMINDER OF INSTRUMENT ADJUSTMENTS Press A and W together for 3 seconds for pro gram entry or exit Press A o
42. tectively earthed in accordance with EN6010 for Class 1 Equipment Output wiring should be within a protectively earthed cabinet Sensor sheaths should be bonded to protective earth or not be accessible Live parts should not be accessible without the use of a tool When fitted to the final installation an IEC CSA AP PROVED disconnecting device should be used to dis connect both LINE and NEUTRAL conductors simul taneously A clear instruction shall be provided not to position the equipment so that it is difficult to operate the discon necting device Typical Connection Diagram The SSR driver output is allocated to SP1 and wired to switch the load heater using an SSR F1 Fuse time lag type to IEC127 CSA UL rating 1A 250Vac F2 Fuse High Rupture Capacity HRC Suitable for maximum rated load current S1 Switch IEC CSA UL Approved disconnecting Device Comms option when fitted A Sensor Output Specifications Thermocouple 9 types Standards CJC Rejection External Resistance Resistance Temperatrue Detector RTD 2 Pt100 2 Wire Standards Bulb Current Linear Process Inputs 0 20 mV 4 20 mV 0 20 mA 4 20 mA must use 10 resistor Applicable to all Inputs SM sensor maximum Calibration Accuracy Sampling Frequency Common Mode Rejection Series Mode Rejection Temperature Coefficient Reference Conditions Output Devices SSd SSd1 SSd2 Miniature power
43. tely display EE and selected output device eg SSd To Enter Initial Configuration into Controller Memory Press and hold both 4 and W buttons for 3 seconds The process temperature e g 23 C and ParK will be alternately displayed as no setpoint has yet been se lected To Set the Main Setpoint To display the setpoint press and hold the button C and 0 or F and 32 will be alternately displayed Press and hold the button Press A to increase or Y to decrease the setpoint The main setpoint LED will flash indicating that SP1 output is ON The controller will now be set with the factory PID set tings Process Temperature PV or Setpoint SP Value Second Setpoint SP2 LED Indication Menu Navigation The facilities of the controller are selected from the multilevel menu using the front panel mounted buttons Each level within the multi level menu offers different functions see FUNCTIONS MENU for menu of main functions Each function has a range of user select or input options see FUNCTION LIST for functions and options details The controller has two modes program mode and op erating mode When in program mode the controller can be programmed with settings and functions to suit the application When in operating mode the controller uses the setting and functions entered in the program mode to control the application Using Program Mode Note The controller will auto exit program mode after 60 s
44. ure good control over a wide range of applica tions two versions of the Autotune program are pro vided TUNE and TUNE AT SETPOINT The TUNE method normally achieves the best results Starting with the load cool tuning occurs during warm up preventing overshoot This method of tuning is rec ommended The TUNE AT SETPOINT method is used for specialist applications eg Heat cool multizones and process es below 100 C 200 F During the tuning cycle some overshoot occurs because the tuning cycle is at set point The DAC setting is not re calculated Cycle Time The choice of cycle time is influenced by the external switching device or load e g contactor SSR Valve A setting that is too long for the process will cause oscil lation and a setting that is too short will cause unneces sary wear to an electro mechanical switching device Cycle Time Selection Methods The following methods of cycle time selection may be used Autotune Calculated After Autotune has been run and completed the calcu lated cycle time can be manually accepted or adjusted to suit the switching device For selection method see Select Autotune Calculated Cycle time Pre Select Autotune Cycle Time The controller can be programmed to automatically ac cept the calculated Autotune cycle time For selection method see Pre Select Automatic Acceptance of Any Autotune Cycle time Pre Select Before Autotune The controller can be programmed manually wit
45. ycle TIMe l l UI a assasssaaas sassa sana SAAANA AEEA RERNA NEEN ainni 9 Programi imner u cecdvendccacteeeencsdeeescenscastenecdsdenecnqeeasssyeds sandausueededs ended essnastasdensceeees adessdh sadacesasunedeccaasnensd saaana 11 Ramp Soakus tu sqa alia an ia 11 Second Setpoint Sp2 uni sesnnnacetedscneecs cadssasesdvesenssessedscncwessascneceis 12 SP2as an Alamanni 12 5P2 SUubsidiary Mode tania hall 12 SP2 asa Proportional Output sss n uu u una iaia aa 12 SP2 Alarm Condition Table 13 SP2 Alarrm Arin ingiatori uu n u R Su m Nunua ua aa 13 Contents Page Number Error Messages u uu u uuu uuu asas ss aiar 14 RECOMMENDALIONS u E ui a A ine 14 Autotune Data in Tech a saus suu E 14 Improving Control Acc racy iii sassa sssasawssasswasasasasasasawsasawasawaqasssaasaasusa 15 Using CHEK Accuracy Monitor u LIU Elia anas ENEAS Easa RE ARE ei 15 Function Listu Lisa aiar ai 16 Level iama taa yb ai iaia AL ela la 16 Level Aaa ER 17 Level 9 usa uu sapaqa hiq iii lai Aa NA eni 17 Level iaia 17 Factory Set Qutput Options alla ai 19 Advanced Settings ist liana i 19 Heat Gool Strategy ala aaa illa 19 Calibration to Other Instrument sarai ptt 20 Linear Input Calibration ii 20 Gommunications abeti 22 RS232 Connections ux u uu alia aac ii rapire 22 RS485 GO hecCtI nS uuu n uu RT E asses pis qas shua Casasia TO 23 Instrument Comms Settings LLL ander sen
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