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Instruction Manual

TEC-220 and TEC-920

Auto-Tune Fuzzy / PID Process

Temperature Controller

Agency Approvals

Manual TEC-220/920 Revision 9/2016

TEMPCO Electric Heater Corporation
607 N. Central Avenue  •  Wood Dale, IL 60191-1452 USA
Tel: 630-350-2252  •  Toll Free: 800-323-6859
Fax: 630-350-0232  •  E-mail: [email protected]
Web: www.tempco.com

Serving Industry Since 1972

Содержание tec-220

Страница 1: ...re Controller Agency Approvals Manual TEC 220 920 Revision 9 2016 TEMPCO Electric Heater Corporation 607 N Central Avenue Wood Dale IL 60191 1452 USA Tel 630 350 2252 Toll Free 800 323 6859 Fax 630 35...

Страница 2: ...NOTES...

Страница 3: ...er 6 Specifications 23 Chapter 7 Modbus Communications 7 1 Functions Supported 25 7 2 Exception Responses 26 7 3 Parameter Table 26 7 4 Data Conversion 28 7 5 Communication Examples 29 Appendix A 1 Er...

Страница 4: ...NOTES...

Страница 5: ...ent or voltage control output The ASIC technology provides improved operating performance low cost enhanced reliability and higher density Fast sampling rate The sampling rate of the input A to D conv...

Страница 6: ...to connect the programming port to a PC for automatic configuration The programming port is used for off line automatic setup and testing proce dures only Don t attempt to make any connection to thes...

Страница 7: ...5 Restart the dwell timer when the dwell timer has timed out 6 Enter the manual control menu when in failure mode ENTER KEY Press for 5 seconds or longer Press for 5 seconds to 1 Enter setup menu The...

Страница 8: ...4 1 5 Menu Overview...

Страница 9: ...5 1 6 Parameter Descriptions...

Страница 10: ...6 1 6 Parameter Descriptions continued...

Страница 11: ...t model number and options on the label Switch off the power while checking Care must be taken to ensure that the maximum voltage rating specified on the label is not exceeded It is recommended that t...

Страница 12: ...el can provide an average temperature readout and produce better results in most air heated processes Proper sensor type is also a very important factor in obtaining precise measurements The sensor mu...

Страница 13: ...9 Control Output Wiring continued Load 120V 240V Mains Supply SSR 30mA 5V Pulsed Voltage Internal Circuit 5V 0V 33 33 _ _ 5 6 10 9 TEC 220 TEC 920 Figure 2 10 Output 1 Pulsed Voltage to Drive SSR _...

Страница 14: ...10 If you use a conventional 9 pin RS 232 cable instead of TEC99014 the cable must be modified according to the following circuit diagram 2 9 Data Communication 2 8 Alarm Wiring...

Страница 15: ...or Process Value If 4 20mA is selected for INPT SL specifies the input signal low i e 4mA SH specifies the input signal high i e 20mA S specifies the current input signal value and the conversion curv...

Страница 16: ...t in a deviation of process value from the set point It is recom mended to use PID control for heat cool control to produce a sta ble and zero offset process value Other setup required O1TY CYC1 O2TY...

Страница 17: ...er than SV SP2 or lower than SV SP2 a deviation band high alarm DB HI occurs When the process value is within the trigger levels a deviation band low alarm DB LO occurs There are four types of alarm m...

Страница 18: ...SV is set to 200 C initially and changed to 100 C 30 minutes after power up The starting temperature is 30 C After power up the process runs like the curve shown in Figure 3 5 Note When the ramp func...

Страница 19: ...ller is designed to use unfiltered signal for con trol even if the filter is applied A lagged filtered signal if used for control may produce an unstable process 3 10 Failure Transfer The controller w...

Страница 20: ...is taking place Auto tuning mode is disabled as soon as either failure mode or manual control mode is entered Procedures Auto tuning can be applied either as the process is warming up cold start or wh...

Страница 21: ...a 1km dis tance while RS 232 is not recommended for a distance of over 60 feet 20 meters Using a PC for data communication is the most economical method The signal is transmitted and received through...

Страница 22: ...18 NOTES...

Страница 23: ...C UNIT C DP 1_DP OUT1 REVR O1TY RELY CYC1 18 0 O1FT BPLS OUT2 TIMR O2FT ON Auto tuning is performed at 150 C for a new oven 4 2 Cool Only Control A TEC 920 is used to control a refrigerator at tempera...

Страница 24: ...ec O1FT BPLS OUT2 COOL O2TY 4 20 O2FT BPLS Set SV at 120 0 C CPB at 125 and DB at 4 0 Apply auto tuning at 120 C for a new system to get optimal PID values See section 3 11 Adjustment of CPB is relate...

Страница 25: ...r 2 seconds and the display will show and the unit will enter the calibration mode Perform step 2 to calibrate zero of A to D converter and step 3 to calibrate gain of A to D converter Step 2 Short th...

Страница 26: ...calibrator source is set at 0 00 C with internal compen sation mode Perform step as 1 stated above then press the scroll key until the display shows Press the scroll key for at least 5 seconds The dis...

Страница 27: ...Below 1mA for 4 20mA input Below 0 25V for 1 5V input unavailable for other inputs Sensor break responding time Within 4 seconds for TC RTD and mV inputs 0 1 second for 4 20mA and 1 5V inputs Chapter...

Страница 28: ...ID Fuzzy logic modified Proportional band 0 1 900 0 F Integral time 0 1000 seconds Derivative time 0 360 0 seconds Cycle time 0 1 90 0 seconds Manual control Heat MV1 and cool MV2 Auto tuning Cold sta...

Страница 29: ...egisters Query from master Response from slave Slave address 0 255 Function code 16 Starting address of register Hi 0 Starting address of register Lo 0 79 128 131 No of words Hi 0 No of words Lo 1 79...

Страница 30: ...SP3 Set Point 3 6 6 R W 3 LOCK Lock code 0 65535 R W 4 INPT Input sensor selection 0 65535 R W 5 UNIT Measuring unit 0 65535 R W 6 DP Decimal point position 0 65535 R W 7 INLO Low scale value for lin...

Страница 31: ...W 55 RTDH RTD calibration high coefficient 1999 9 4553 6 R W 56 CJLO Cold junction calibration low coefficient 199 99 455 36 R W 57 CJHI Cold junction calibration high coefficient 1999 9 4553 6 R W 5...

Страница 32: ...4553 6 45536 4553 6 455 36 45 536 5 The scale high low values are defined in the following table for PB O1HY RR O2HY and ALHY Conditions Non linear Linear input Linear input Linear input Linear input...

Страница 33: ...F 00 00 4E 1F 00 01 00 B4 00 64 OUT2 2 RELO 0 0 O2TY 0 O2FT 0 O2HY 0 1 CYC2 18 0 CPB 100 4E 1F 00 02 52 07 00 00 00 01 00 00 00 01 DB 0 ALFN 2 REHI 100 0 ALMD 0 ALHY 0 1 ALFT 0 COMM 1 00 01 00 02 00 0...

Страница 34: ...30 Table A 1 Error Codes and Corrective Actions A 1 Error Codes...

Страница 35: ...notice In addition Tempco reserves the right to make changes without notification to the Purchaser to materials or processing that do not affect compliance with any applicable specification TEC Temper...

Страница 36: ...Experience the Advantages of our Diverse and Innovative Products Copyright 2012 TEHC All Rights Reserved 12P200E16 Electric Heating Elements Thermocouples and RTD Assemblies SCR Power Controls Solid S...

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