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1. AL FT Alarm failure transfer EIFN Event input function DISP Normal display format PV HI Max historical PV PV LO Min historical PV T ABN Abnormal time Note 1 The flow charts show a complete listing of parameters For the actual application the number of available parameters are dependent on the setup conditions and should be less than that shown in the flow charts Note 2 Press R key for 4 seconds to enable up down key function and extinguish the LOCK indicator 1 6 Limit Control Operation HIGH LIMIT OPERATION If Hi is selected for OUTI the unit will perform high limit control When power is applied the OUT1 relay is de energized After the 6 5 second self test period if the process is below the high limit set point HSP1 the output 1 relay will be energized and the OP1 indicator will go off If the process goes above the high limit set point the relay will be de ener gized the OP indicator will go on and the display will show the process value After the process falls below the high limit set point and the R key is pressed or the remote reset input is applied the relay will be energized and the OP1 indicator will go off HSP1 HSP1 O1 HY OUT1 Relay ON 74 OFF i t A B C Reset is applied B C 01 HY Output hysteresis gt 4 4 5 Figure 1 4 High Lim2. OFF tt A B C Reset is applied O1 HY Output1 hysteresis Figure 1 5 Low Limit Operation A D HSP1 HSP1 01 HY LSP1 O1 HY LSP1 ope IL Figure 1 6 A B C D E F Reset is applied indicator will go off High Low Limit Operation 01 HY Output hysteresis 1 7 Parameter Descriptions cee aes Range a HSP i ree a 100 0 C HSP1 High Limit Set point 1 Low HSP L High HSP H 212 0 F LSP 0 0 C ee Low Limit Set point 1 Low LSPL High LSPH 32 0 F SPE Set point 2 Value for PS 90 0 C SP2 Output 2 Low 19999 High 45536 1 94 0 F 0 J EC J type thermocouple 1 B_EC K type thermocouple 2 amp _tC T type thermocouple 3 EEC E type thermocouple 4 b_ amp C B type thermocouple 5 r L R type thermocouple 6 5_ C S type thermocouple 7 n_E N type thermocouple I C nPE Input sensor 8 L ok L type thermocouple 1 NPT selection 9 L EL C type thermocouple 0 Page 11 amp 23 10 P_tC P type thermocouple 11 PEdn PT 100 ohms DIN curve 12 PE JS PT 100 ohms JIS curve 13 4 20 4 20 mA linear current input 14 G 22 0 20 mA linear current input 15 8 60 0 60 mV linear millivolt input 16 8 1 0 1V linear voltage input 17 G 5 0 5V linear voltage input 18 5 1 5V linear voltage input 19 G G 0 10V linear voltage input 0 f Degree C unit yee Prowassunit 1 F Degree F unit A 2 Pu Process
3. 1 R W 31 LSP H Upper limit of LSP1 1 R W 32 Reserved Register Parameter Parameter Scale Scale Notes Address Notation Low High 33 Reserved 34 AOFN Analog output function 0 65535 R W 35 OUT2 Output 2 function 0 65535 R W 36 Reserved 37 Reserved 38 Reserved 39 COMM Communication function 0 65535 R W 40 ADDR Address 0 65535 R W 41 BAUD Baud rate 0 65535 R W 42 PARI Parity bit 0 65535 R W 43 AOLO Analog output scale low R W 44 AL FN Alarm function 0 65535 R W 45 AL MD Alarm mode 0 65535 R W 46 AL HY Alarm hystersis value 2 2 R W 47 AL FT Alarm failure transfer 0 65535 R W 48 EIFN Event input function 0 65535 R W 49 DISP Normal Display format 0 65535 R W 50 AOHI Analog output scale high R W 51 ADO mV calibration low coefficient 1999 9 4553 6 R W 52 ADG mV calibration high coefficient 1999 9 4553 6 R W 53 CJTL Cold junction calibration low coefficient 199 99 455 36 R W 54 CJG Cold junction calibration high coefficient 1999 9 4553 6 R W 55 REF RTD calibration low coefficient 1999 9 4553 6 R W 56 SR RTD calibration high coefficient 199 99 4553 6 R W 57 Reserved 58 DATE Manufacturing date of the product 0 65535 R W 59 NO Serial number of the product 0 65535 R W 60 HOUR Working hours of the product 0 65535 R W 61 HRLO Fractional value of hour 0 65535 R W 128 PV Process value R 129 HSPI
4. Guidelines 12 2 6 Thermocouple Input Wiring 12 2 7 RTD Input Wiring 000 5 13 2 8 Linear DC Input Wiring 13 2 9 Event Input Wiring 00 14 2 10 Output 1 Wiring 0 2 eee ee 14 2 11 Output 2 Wiring 0 eee eee eee 15 2 12 RS 485 0 ec cc eee cece an ees 16 Chapter 3 Programming 3 1 Process Input 0 0 0 eee eee eee 17 3 2 Limit Control 0 0 c cece eee 17 3 3 Set Point Range 00 0 0 0008 18 JA PV SMCs ce oe aanp a e e a e aa E eare aa vate ane 18 3 5 Digital Filter 0 2 eee eee eee 18 3 6 Process Alarms 0 00 cee eee ee eee 19 3 7 Data communication 000 00s 20 3 8 Display Mode 0 0c eee eee ee 20 3 9 Signal Conditioner DC Power Supply 21 3 10 Remote Reset 0 0 0 cece eee 21 3 11 Remote Lock 0 000 c eee eee 22 3 12 Limit Annunciator 0000 22 3 13 Reference Data 0 0 0 2 eee 22 Chapter 4 Application 23 Chapter 5 Calibration 25 Chapter 6 Specifications 27 Chapter 7 Modbus Communications 7 1 Functions Supported 0 29 7 2 Exception Responses 0 0 000 30 7 3 Parameter Table 0 0000005 30 7 4 Data Conversion 00 00 e eee eee 32 7 5 Communication Examples 33 Appendix
5. an A D Failure occurs the alarm output will be on or off according to the setting of AL FT Examples SP2 200 AL HY 10 0 AL MD NORM AL FN PV H A Process proceeds 36 xe Nee TAN ON ance 20 Figure 3 3 Normal Process Alarm 190 190 190 190 ofFF 190 SP2 200 AL HY 10 0 AL MD LTCH_AL FN PV H A Process proceeds le 1 I I I ly S ly 1 Figure 3 4 Latching Process Alarm 200 200 ON 200 200 200 190 190 190 190 oFF gt 190 I pes Indicates an Alarm Condition 19 20 3 7 RS 485 Communication Using a PC for data communication is the most economical method The signal is transmitted and received through the PC communication port generally RS 232 Since a standard PC can t sup port an RS 485 port a network adapter such as SNAIOA SNAIOB has to be used to convert RS 485 to RS 232 for a PC if RS 485 is required for data communication Many RS 485 units up to 247 units can be connected to one RS 232 port This means that is a PC with 4 comm ports can communicate with up to 988 units Select COMM for OUT2 in setup menu output 2 will perform RS 485 interface with Modbus RTU mode protocol Setup 1 Select COMM for OUT2 2 Set a different address ADDR for each unit which is connected to the same port 3 Set the baud rate BAUD and parity bit PARI values according to the setup of the PC 3 8 Display Mode The DISP in the setup menu is u
6. from being accessi ble to human hands and metal tools e All wiring must conform to appropriate standards of good practice and local codes and regulations Wiring must be suitable for the voltage current and temperature rating of the system e Beware not to over tighten the terminal screws The torque should not exceed 1N m 8 9 lb in or 10 KgF cm e Unused control terminals should not be used as jumper points as they may be internally connected causing dam age to the unit e Verify that the ratings of the output devices and the inputs as specified in chapter 6 are not exceeded e Except the thermocouple wiring all wiring should use stranded copper conductor with maximum gauge of 18 AWG e Electrical power in industrial environments contains a certain amount of noise in the form of transient voltage and spikes This electrical noise can adversely affect the operation of microprocessor based controls For this rea son we strongly recommend the use of shielded thermo couple extension wire which connects the sensor to the controller This wire is a twisted pair construction with foil wrap and drain wire The drain wire is to be attached to ground at one end only OUT2 90 264VAC TX2 L RS 485 1 O CQ or 11 16VAC VDC or on N E Event Input Tx1 2 7 A NC m 3 8 RTD Nop F jp i 4 O79 OUTI IO Q g oe 5 2A 0 10 CAT II 240V
7. long as the reset key is pressed for 4 seconds See section 3 13 Output 1 2 Indicator LIMIT CONTROL OP1 OP2 F C PV HSP1 LSP1 SP2 LOCK 4 Ly LR temPco TEC 910 Table 1 1 Display Form of Characters AJALELE IS N BlolFIF ly IJ ClE G o k fey P fele HHL i JQ Process Unit Indicator Displays process value menu symbol and error code etc Lock Status Indicator 4 Buttons for ease of control setup and set point adjustment DO d bh AIMfapR 7 indicates Abstract Characters How to display a 5 digit number For a number with a decimal point the display will be shifted one digit to the right 199 99 will be displayed as 199 9 4553 6 will be displayed as 4553 19999 will be displayed as 45536 will be displayed as 9999 will be displayed as For a number without a decimal point the display will be divided into two alternating phases 4 4 5999 a s CN 9999 ka NORMAL DISPLAY During normal operation the unit will display the process value and the word SAFE ABNORMAL DISPLAY Whenever the process is outside the normal range the display will display the limit set point value instead of displaying the word SAFE SENSOR BREAK DISPLAY If a break is detected in the sensor circuit the display will show SEnb A D FAILURE DISPLAY If failure is detected in the A D converter circuit the display will show fid ir POWER UP SEQUENCE Verify
8. pressing the RESET key Refer to section 1 4 for RESET key function Setup OUT2 EIFN z i Remot FIFN REST Figure 3 6 Remote Reset Application Reset 21 3 11 Remote Lock If LOCK is selected for Event Input Function EIFN terminals 16 and 17 will act as remote lock input Turning the remote lock switch on will keep all the parameter settings from being changed If the switch is opened the lock indicator is extinguished and the up down key is enabled Jf IS Sl h _ EFN Figure 3 7 Remote Lock Application Remote tiel EIFN LOCK Lock 3 12 Limit Annunciator If Output 2 is designated as an Limit Annunciator L_AN the output relay will track the Limit setpoint If the limit setpoint is or has been reached by the process value then the limit annunciator will be energized and the OP2 indicator LED will be lit and remain unchanged until the reset key or remote reset input is applied 3 13 Reference Data There are three reference data points stored by the control and accessed in the setup menu The reference data are read only data The maximum historical PV displayed by PY H which shows the maximum process value since the last UNLOCK operation The minimum historical PV displayed by P Lo shows the minimum process value since the last UNLOCK operation The abnormal time displayed by 45n which shows the total accumulated time minutes during the process which has been in abnormal condition since
9. temper ature occurrence This error is far greater than controller error and cannot be corrected on the sensor except by prop er selection and replacement Figure 2 5 Thermocouple Input Wiring 2 7 RTD Input Wiring The RTD connections are shown in figure 2 6 with the compensating lead connected to ter minal 19 For two wire RTD inputs terminals 19 and 20 should be jumpered A three wire RTD offers the capability of lead resistance compensation provided that the three leads are of same gauge and equal length Two wire RTD should be avoided if possible for the purpose of accuracy A 0 4 ohm lead resistance of a two wire RTD will produce 1 C temperature error 2 8 Linear DC Input Wiring DC Linear voltage and linear current connections are shown in figure 2 7 and 2 8 0 60mvV 0 1V o 5V 1 5V C 0 10V Figure 2 7 Linear Voltage Wiring ARAIRE TE elk SIMMEN Three Wire RTD Two Wire RTD Figure 2 6 RTD Input Wiring DID ue Linear Current Wiring 13 2 9 Event Input Wiring rat ole elale a co ce e lela w Open Collector Input Fg e diell Mel elole JE i
10. that all electrical connections have been made properly before applying power to the unit During power up a self test procedure will be performed within 6 5 seconds During the self test period all outputs are left off When the self test procedure is complete the unit will revert to normal operation Figure 1 3 Power Up Sequence LIMIT CONTROL OP1 OP2 SE C PV HSP1 LSP1 SP2 LOCK SJ R temPco TEC 910 LIMIT CONTROL OP1 OP2 LIMIT CONTROL OP1 OP2 F G m ee ee P ici PV HSP1 LSP1 SP2 LOCK EAR temPco TEC 910 LIMIT CONTROL LOCK EA temPco TEC 910 LIMIT CONTROL OP1 OP2 F C wo Woof PV HSP1 LSP1 SP2 LOCK GAAR temPco TEC 910 LIMIT CONTROL OP1 OP2 F C ie PV HSP1 LSP1 SP2 LOCK vIR temPco TEC 910 LIMIT CONTROL OP1 OP2 F C PV HSP1 LSP1 SP2 LOCK MR All segments of display and indicators are left off for 0 5 seconds All segments of display and indicators are lit for 1 second Displays program code of the product for 1 second The diagram at left shows program no 1 with version 21 Displays date code for 1 second This diagram shows year 2001 month February date 25th This means that the product was produc
11. the exception code is equal to the value contained in the following table Exemption Code Name Cause 1 Bad Function Code Function code is not supported by the controller 2 Ilegal data address Register address out of range Data value out of range or attempt to write o date vate a read only or protected data 7 3 Parameter Table Register Parameter Parameter Scale Scale Notes Address Notation Low High 0 Reserved 1 HSP1 High Limit Set Point 1 R W 2 LSP1 Low Limit Set Point 1 R W 3 SP2 Set Point 2 value for output 2 R W 4 Reserved 5 Reserved 6 PV HI Historical max value of PV R 7 PV LO Historical min value of PV R 8 Reserved 9 INPT Input type selection 0 65535 R W 10 UNIT Process unit 0 65535 R W 11 RESO Display resolution 0 65535 R W 12 IN LO Low scale value for linear input l R W 13 IN HI How scale value for linear input 1 R W 14 SNIF PV shift offset value 1 R W 15 FILT PV filter time constant 0 65535 R W 16 T ABN Accumulated time during abnormal condition 0 6553 5 R 17 OUTI Output 1 function 0 65535 R W 18 Reserved 19 Reserved 20 O1 HY Output hysteresis value 2 2 R W 21 Reserved R W 22 Reserved 23 Reserved 24 Reserved 25 Reserved 26 Reserved 27 Reserved 28 HSP L Lower limit of HSP1 R W 29 HSP H Upper limit of HSP1 I R W 30 LSP L Lower limit of LSP
12. time constant from 0 to 60 seconds 0 seconds means no filter is applied to the input signal The filter is characterized by Figure 3 2 below Figure 3 2 Filter Characteristics Time 3 6 Process Alarms If Output 2 is designated as an Alarm Output the alarm function AL FN can be setup for Process Value High Alarm PV H A or Process Value Low Alarm PV L A The process alarm sets an absolute trigger level When the process exceeds that absolute trigger level an alarm occurs The trigger level is determined by the setting of the set point 2 value SP2 and the alarm hysteresis value AL HY The hysteresis value is introduced to avoid interference in a noisy environment Normally AL HY can be set with a minimum value 0 1 The trigger levels for the process high alarm are SP2 and SP2 AL HY The trigger levels for the process low alarm are SP2 AL HY and SP2 There are two types of alarm mode AL MD that can be selected They are Normal Alarm NORM and Latching Alarm LATCH Normal Alarm AL MD NORM When the normal alarm is selected the alarm output is de energized in the non alarm condition and energized in an alarm condition Latching Alarm AL MD LTCH If the latching alarm is selected once the alarm output is energized it will remain unchanged even if the alarm condition has been cleared unless the power is shut off or the RESET key or remote reset button is pressed Failure Transfer AL FT OFF or ON If a Sensor Break or
13. 00 0 LSP1 0 0 sP2 90 0 CRC16 00 13 26 00 02 00 00 00 00 00 01 Addr Func Starting Addr No of words Bytes OUT1 2 Reserved Reserved 01 HY 0 1 00 00 00 00 Reserved Reserved 00 00 00 00 00 00 Reserved Reserved Reserved 00 Reserved Reserved HSP L 0 00 00 00 4E 1F 75 2F 4A 37 4E 1F 00 00 00 00 00 00 00 02 HI LO HSPH 1000 0 LSP L 100 0 10 00 28 LSP H 0 Reserved Reserved 5 Preset the rest parameters Reserved OUT2 4 CRC16 00 OA 14 00 01 00 01 00 05 00 00 Addr Func Starting Addr No of words Bytes ADDR 1 BAUD 5 PARI 0 Reserved AL FN 6 AL MD 0 AL HY 0 1 AL FT 1 EIFN 0 DISP 0 CRC16 33 Example 2 Read the process value PV Send the following message to the controller via the COMM port or the programming port Query 03 00 80 00 01 HI LO Addr Func Starting Addr No of words CRC16 Example 3 Perform reset function same effect as pressing Restt key Query 06 00 8E 68 25 HI LO Addr Func Starting Addr CMND 26661 CRC16 Example 4 Read 22 parameters at most one time Query 03 00 16 HI LO Addr Func Starting Addr No of words CRC16 Table A 1 Error Codes and Corrective Actions rror Displa
14. 10VA 5W maximum Type Range Accuracy Input 25 C Impedance 11 26VAC VDC 10VA 5W maximum 120 C to 1000 C Pa ee 184 F to 1832 F T to 1370 C Resolution 18 bits Ea 328 F to 2498 F mpling rate 5 ti d 250 C to 400 C 2a Sa P gra e imes secon l 418 F to 752 F asi EENG Maximum rating 2VDC minimum 12VDC maximum 100 C to 900 C i i E 2 C 2 2 MQ 1 minute for mA input E G ren e ezma Temperature effect 1 5uV C 0 C to 1800 C 2 C 200 C t Sensor lead resistance effect 32 F to 3272 F rA AA T C 0 2uV ohm OR 0 C to 1767 8 C 22mg 2 Mo 3 wire RTD 2 6 C ohm of resistance difference of two leads 32 F to 3214 F 2 wire RTD 2 6 C ohm of resistance sum of two leads Ka Gees aS Burn out Current 200nA 7 naan i 250 C to 1300 C sog a Common Mode Rejection Ratio CMRR 120dB 418 F to 2372 F Sensor Break Detection co 200 C to 900 C 328 F to 1652 F Sensor open for TC RTD and mV inputs TESTE below 1mA for 4 20mA input 32 F to 4199 F unavailable for other inputs 32 F to 2543 F PT100 210 C to 700 C o Sensor break responding time DIN 346 F to 1292 F Within 4 seconds for TC RTD and mV inputs 0 1 second PT100 200 C to 600 C wade ne for 4 20mA and 1 5V inputs JIS 328 F to 1112 F mv nvioronv oo 22ma_ Input 1 3V to 11 5V 0 05 Table 6 1 Input Characteristics Characteristics Event Input Triac SSR Outp
15. A 1 Error Codes 2 0 0 0 0 ccc eee eee 34 A 2 Warranty 2 0 eee 35 e System Designer Read All Chapters e Expert User 00 Read Page 10 Information in this user s manual is subject to change with out notice Copyright 2013 Tempco Electric Heater Corporation all rights reserved No part of this publication may be repro duced transmitted transcribed or stored in a retrieval sys tem or translated into any language in any form by any means without the written permission of Tempco Electric Heater Corporation Figures amp Tables Page No Figure 1 1 Programming Port Location 2 Figure 1 2 Front Panel Display 3 Figure 1 3 Power Up Sequence 5 Figure 1 4 High Limit Operation 7 Figure 1 5 Low Limit Operation 7 Figure 1 6 High Low Limit Operation 7 Figure 2 1 Mounting Diagram 50 66 sea ees 11 Figure 2 2 Lead Termination 11 Figure 2 3 Rear Terminal Connection Diagram 11 Figure 2 4 Power Supply Connections 12 Figure 2 5 Thermocouple Input Wiring 12 Figure 2 6 RTD Input Wiring 13 Figure 2 7 Linear Voltage Input Wiring 13 Figure 2 8 Linear Current Input Wiring 13 Figure 2 9 Event Input Wiring 14 Figure 2 10 Output 1 Wiring 14 Figure 2 11 Output 2 Wiring 15 Fig
16. AC Notes 50 C max air ambient Use copper conductors except on T C input ASTM thermocouples USA the red colored lead is always negative Figure 2 3 Rear Termination Connection Diagram 11 2 4 Power Wiring The controller is designed to operate at 11 26VAC VDC to 90 264VAC Check that the installation voltage corresponds to the power rating indicated on the product label before connecting power to the controller Near the controller a fuse and a switch rated at 2A 264VAC should be equipped as shown in Figure 2 4 This equipment is designed for installation in an enclosure which provides adequate protection against electric shock The enclosure must be connected to earth ground Local requirements regarding electrical installation should be rigidly observed Consideration should be given to pre vent unauthorized personnel from accessing the power ter minals 2 5 Sensor Installation Guidelines Proper sensor installation can eliminate many problems in a control system The probe should be placed so that it can detect any temperature change with minimal thermal lag In a process that requires fairly constant heat output the probe should be placed close to the heater In a process where the heat demand is variable the probe should be close to the work area Some experimentation with probe location is often required to find the optimum position In a liquid process the addition of agitation will help to elimina
17. Communication 3 ALn Alarm Output 4 L fn Limit Annunciator 5 1 Fn Input Event 6 4 20 4 20 mA analog retransmission output 5 7 G 20 0 20 mA analog retransmission output 8 Y 0 1V analog retransmission output 9 G 5Y 0 5V analog retransmission output 10 1 54 1 5V analog retransmission output 11 G i G 0 10V analog retransmission output 0 8 3 0 3 Kbits s baud rate 1 8 6 0 6 Kbits s baud rate I1 bfud Baud rate of digital 2 1 2 1 2 Kbits s baud rate BAUD communication 3 2 4 2 4 Kbits s baud rate Page 25 4 4 8 4 8 Kbits s baud rate 5 5 9 6 9 6 Kbits s baud rate 6 14 4 14 4 Kbits s baud rate 7 19 2 19 2 Kbits s baud rate 8 28 8 28 8 Kbits s baud rate 9 38 4 38 4 Kbits s baud rate Continued 10 Default Notation PardReter to Paged o Range Value 0 EY En 8 bit even parity ity bit of digi 0 A Party Dit Ot igital 1 odd 8 bit odd parity 2 nonE 8 bit none parity ee 0 PY Process Value nalo tput a uean 1 HSP I High Limit Set point 1 0 2 LSP Low Limit Set point 1 folo Analog Output Low 0 0 C AOLO Scale Value Low 19999 High 45536 32 0 F Aol 100 0 C Analog Output High ae AOHI Scale Value Low 19999 High 45536 212 0 F ALFn Nana Euneton 0 P Y H A Process value high alarm r AL FN 1 P Y L A Process value low alarm ALAJ 6 nor Normal alarm action 0 AL MD Alarm mode 7 LEch Latching alarm
18. Instruction Manual TEC 910 High Limit Control Microprocessor Based Limit Controller Agency Approvals NW CE APPROVED 607 N Central Avenue Wood Dale IL 60191 1452 USA aoe Tel 630 350 2252 Toll Free 800 323 6859 R corpo Fax 630 350 0232 E mail info tempco com Serving Industry Since 1972 Web www tempco com la TEMPCO Electric Heater Corporation kOpS Manual TEC 910 Revision 11 2013 NOTES Warning Symbol A This symbol calls attention to an operating procedure prac tice or the like which if not correctly performed or adhered to could result in personal injury or damage to or destruc tion of part or all of the product and system Do not proceed beyond a warning symbol until the indicated conditions are fully understood and met Using the Manual e Installers 0 Read Chapter 1 2 Page No Chapter 1 Overview l 1 General enr 252 e ine ee bee Vag ea eh ed 1 1 2 Ordering Code 0 eee eee ee 1 1 3 Programming Port 0 000000 2 1 4 Keys and Displays 00000 2 1 5 Menu Overview 0 0 cece eee eee 6 1 6 Limit Control Operation is a6 ei vansaaiaas 7 1 7 Parameter Descriptions 04 8 Chapter 2 Installation 2 1 Unpacking 0 0 eee eee eee 11 2 2 Mounting 0 0 0 eee eee ee ee 11 2 3 Wiring Precautions 200000 11 2 4 Power Wiring 0 cece ee eee 12 2 5 Sensor Installation
19. L High limit set point 1 1 1 R 130 LSP1 Low limit set point 1 R 131 T ABN Accumulated time during abnormal condition 0 6553 5 R 132 ALM Output 1 status 4 0 65535 R 140 PROG Program code 3 0 00 655 35 R 142 CMND Command code 0 65535 R W 143 JOB Job code 0 65535 R W 31 The scale high low values are defined in the following table for the parameters HSP1 LSP1 SP2 PV HI PV HO IN LO IN HI SHIF HSP L HSP H LSP L LSP H PV SV AOLO and AOHI Conditions Non linear Linear input Linear input Linear input Linear input input RESO 0 RESO 1 RESO 2 RESO 3 Scale low 1999 9 19999 1999 9 199 99 19 999 Scale High 4553 6 45536 4553 6 455 36 45 536 2 The scale high low values are defined in the following table for O1 HY and AL HY Conditions Non linear Linear input Linear input Linear input Linear input input RESO 0 RESO 1 RESO 2 RESO 3 Scale low 0 0 0 0 0 0 00 0 000 Scale High 6553 5 65535 6553 5 655 35 65 535 3 The PROG code is defined by 5 XX where XX denotes the software version number For example PROG 5 10 means the product is TEC 910 with software version 10 4 The least significant bit LSB of ALM shows the status of output 1 LSB 1 if output 1 is ON normal condition The second bit of ALM shows the status of output2 7 4 Data Conversion The word data are regarded as unsigned positive data in the Modbus message However the actual value of the paramete
20. a uy Switch Input Figure 2 9 Event Input Wiring The event input can accept a switch signal as well as an open collector signal The event input function EIFN is activated as the switch is closed or an open collector or a logic signal is pulled down 14 2 10 Output 1 Wiring Max 2A Resistive Load c 120V 240V Mains Supply Relay or Triac Output To Controller Direct Drive Output 120V 240V o Mains Supply To Controller Output Relay or Triac SSR Heater Output to Drive Load Contactor 420V 240V Mains Supply Oo Pulsed Voltage to Drive SSR Pulsed Voltage To Controller Output Figure 2 10 Output 1 Wiring 2 11 Output 2 Wiring Max 2A Resistive 120V 240V Supply o 120v 240v 7 LOAD 5 4 Supply o orot Pulsed Voltage to Drive SSR Sensor or Transmitter DC Power Supply Output Figure 2 11 Output 2 Wiring 15 2 12 RS 485 RS 485 to RS 232 network adapter SNA10A or SNA10B Terminator TX1 220 ohms 0 5W Figure 2 12 RS 485 Wiring 16 Chapter 3 Programming 3 1 Process Input Press for 4 seconds and release to enter the setup menu Press to select parameter The display will indicate the parameter symbol and the value or selection for that parameter INPT Selects the sensor type and signal type for the process input UNIT Selects th
21. action I eta Alarm hystersis value Low 0 1 High 10 C 18 F 0 1 ALF 0 oF F Alarm Output goes off as AL FT Alarm failure transfer Unitra 1 1 on Alarm Output goes on as unit fails 0 nonE No event function Efn Event input function 1 rESE Remote reset for output 1 EIFN output 1 on 1 2 Lo LE Remote lock for the unit SP 0 PY Process Value ae Normal display format 1 SF I Set point 1 0 2 SAFE Display Safe PY Historical Max value of PV PV HI Page 23 Low 19999 High 45536 PY Lo Historical Min value of PV Low 19999 High 45536 PV LO Page 25 i Abn Accumulated Time during s s i TABN abnormal condition Low 0 High 6553 5 minutes _ Chapter 2 Installation Dangerous voltages capable of causing death are sometimes present in this instrument Before instal lation or beginning any troubleshooting procedures the power to all equipment must be switched off and isolated Units suspected of being faulty must be disconnected and removed to a properly equipped workshop for testing and repair Component replacement and internal adjustments must be made by a qualified maintenance person only To minimize the possibility of fire or shock hazards do not expose this instrument to rain or excessive moisture Do not use this instrument in areas under hazardous conditions such as excessive shock vibration dirt moisture corrosive gases or oil The ambient temperature of the area should not exceed the maxim
22. d Power Lead Wire e Mechanical Relays e Wiring Accessories TEMPCO s Visionary Solutions The Electric Heating Element Temperature Controls and Temperature Sensors Handbook REQUEST YOUR FREE 960 PAGE COPY TODAY Call 800 323 6859 or E mail info tempco com Specify Print Edition CD ROM or Both lt Serving Industry Since 1972 Experience the Advantages of our Diverse and Innovative Products MP K o TEMPCO Electric Heater Corporation E 607 N Central Avenue Wood Dale IL 60191 1452 USA eE Tel 630 350 2252 Fax 630 350 0232 Web Committed to Excellence eb www tempco com Copyright 2013 TEHC All Rights Reserved 2P100E14 36
23. e process unit RESO Selects the location of the decimal point Resolution for most not all process related parameters IN LO Selects the low scale value for the linear type input Hidden if T C or RTD type is selected for INPT IN HI Selects the high scale value for the linear type input Hidden if T C or RTD type is selected for INPT How to use IN LO and IN HI If 4 20mA is selected for INPT SL specifies the input sig nal low i e 4mA SH specifies the input signal high i e 20mA S specifies the current input signal value and the conversion curve of the process value is shown as follows 3 2 Limit Control How to use IN LO and IN HI If 4 20mA is selected for INPT SL specifies the input sig nal low i e 4mA SH specifies the input signal high i e 20mA S specifies the current input signal value and the conversion curve of the process value is shown as follows Figure 3 1 Conversion Curve for Linear Type Process Value process value input signal S SL SH SL Example A 4 20 mA current loop pressure transducer witt range 0 15 kg cm2 is connected to input then the following setup Formula PV IN LO IN HI IN LO INPT 4 20 mA _ IN LO 0 00 UNIT PU IN HI 15 00 RESO 1 DP Of course you may select other value for RESO to alter the resolution OUT1 Selects the output 1 function The available output 1 functions are High Limit Control Low Limit Control and High Low L
24. ed on February 25th 2001 Note the month code is A for October B for November and C for December Displays the serial number 001 999 for 1 second Displays the hours used for 2 seconds The diagram at left shows that this unit has been used for 23456 7 hours since production 1 5 Menu Overview Setup Mode Press Press for 4 sec for 8 sec PV Value gt Calibration Mode SP1 or SAFE SI HSP1 Value High limit setpoint 1 value a i INPT Input type UNIT Process unit RESO Display resolution Low scale value for linear l LSP1 Value Low limit IN HI High scale value for linear setpoint 1 input SHIF PV shift offset value FILT PV filter time constant OUT1 Output 1 function O1 HY Output 1 hysteresis value HSP L Lower limit of HSP1 HSPH Upper limit of HSP1 LSP L Lower limit of LSP1 LSPH Upper limit of LSP1 OUT2 Output 2 function Address for digital ADDR Iean BAUD Baud rate PARI Parity bit AL FN Alarm function AL MD Alarm mode AL HY Alarm hysteresis value value SP2 Value Set point 2 _ value ET 3 9 jo ja NAUAN AAAA AUAA AAN AAAA AAAA AAA NANAN
25. gnal to terminals 4 and 5 with the correct polarity The span signal is 60mV for thermocouple input 1V for 0 1V input 10V for 0 10V input and 20mA for 0 20mA input Press for at least 4 seconds The display will blink for a moment If the display didn t blink then cal ibration failed Step 3 Calibrate the offset of the cold junction compen sation Set up the equipment according to the following diagram for calibrating the cold junction compensation Note that a K type thermocouple must be used 5520A Calibrator K TC K rt i Allow at least 20 minutes in still air room Room temperature 25 3 C Figure 5 2 Cold Junction Calibration Setup The 5520A calibrator is configured as a K type thermocouple output with internal compensation Send a 0 00 C signal to the unit under calibration The unit under calibration is powered in a still air room with a temperature of 25 3 C Allow at least 20 minutes for warming up Press for at least 4 seconds The display will blink a moment If the display didn t blink then calibration failed Step 4 Calibrate the gain of cold junction compensation Set up the equipment same as step 3 The unit under cali bration is power in a still air room with temperature 50 3 C Wait at least 20 minutes for warming up The cal ibrator source is set at 0 00 C with internal compensation mode Press for at least 4 seconds The display will blink for a moment If the display didn t blink then cal
26. i 0 Byte count Starting address of register Lo Data 1 Hi 0 61 128 143 Data 1 Lo No of words Hi 0 Data 2 Hi No of words Lo 1 22 Data 2 Lo CRC16 Hi CRC16 Lo e CRC16 Hi CRC16 Lo Function 06 Preset Single Register Query from Master Response from slave Slave address 0 255 lt _ _ _ Function code 6 lt _ _ _ Register address Hi 0 lt _ Register address Lo 0 61 128 143 lt Data Hi lt _ _ _ Data Lo lt CRC16 Hi o CRC16 Lo per Function 16 Preset Multiple Registers Query from master Response from slave Slave address 0 255 lt Function code 16 lt Starting address of register Hi 0 lt Starting address of register Lo 0 61 128 143 lt _ No of words Hi 0 lt _ No of words Lo 1 18 lt _ __ _ Byte count 2 36 CRC16 Hi Data 1 Hi CRC16 Lo Data 1 Lo Data 2 Hi Data 2 Lo CRC16 Hi CRC16 Lo 29 30 7 2 Exception Responses If the controller receives a message which contains a corrupted character parity check error framing error etc or if the CRC16 check fails the controller ignores the message However if the controller receives a syntactically correct message which contains an illegal value it will send an exception response consisting of five bytes as follows slave address offset function code exception code CRC16 Hi CRC16 Lo Where the offset function code is obtained by adding the function code with 128 ie function 3 becomes H 83 and
27. ibra tion failed Continued 25 Step 5 Calibrate the RTD reference voltage Send a 100 ohms signal to terminals 3 4 and 5 according to figure 5 3 Table 5 3 RTD Calibration 100 ohms 4 9 UU TU Press for at least 4 seconds The display will blink for a moment If the display didn t blink then calibration failed Gt Acted sted ete fst ea 5 10 Step 6 Calibrate the RTD serial resistance Change the ohm s value of the calibrator to 300 ohms Press for at least 4 seconds The display will blink for a moment If the display didn t blink then calibration failed Input modification and recalibration procedures for a linear voltage or a linear current input 1 Change resistor R61 3 3K on the control board with the recommended values specified in Table 5 1 Low temperature coefficient resistors with 1 50ppm should be used for RA and RB Adjust the DIP switch according to Table 1 1 0 5V 1 5V 304K 3 92K 0 10V 649K 3 92K 0 20mA 4 20mA 390 3 010 2 Perform step 1 to calibrate the linear input zero 3 Perform step 2 but send a span signal to the input terminals 4 and 5 instead of 60mV The span signal is 1V for 0 1V input 5V for 0 5 V or 1 5 V input 10V for 0 10V input and 20mA for 0 20mA or 4 20mA input 26 Chapter 6 Specifications Power Characteristics 90 264 VAC 49 63 Hz
28. imit Control Refer to section 1 6 for limit control operation O1 HY Output 1 hysteresis value The hysteresis value is adjusted to a value to eliminate relay jitter in a noisy environment 17 3 3 Set Point Range HSP L Lower limit of HSP1 Hidden if LO is selected for OUT1 HSP H Upper limit of HSP1 Hidden if LO is selected for OUT1 LSP L Lower limit of LSP1 Hidden if HI is selected for OUT1 LSP H Upper limit of LSP1 Hidden if HI is selected for OUT1 HSP L and HSP H in the setup menu are used limit the adjustment range of HSP1 LSP L and LSP H are used to limit the adjustment range of LSP1 3 4 PV Shift In certain applications it is desirable to shift the controller display value PV from its actual value This can be easily accomplished with this control by using the PV shift function Cycle the unit to the SHIF parameter by using the scroll key in setup menu The num ber you adjust either positive or negative will be added to the actual value The SHIF function will alter the process variable PV only SHIF PV shift offset value 3 5 Digital Filter In certain applications the process value is too unstable to be read To improve this a programmable low pass filter is incorporated in the TEC 910 This is a first order filter with the time constant specified by the FILT parameter which is found in the setup menu The default value of FILT is set at 0 5 seconds before the unit is shipped Adjust FILT to change the
29. it Operation HIGH LOW LIMIT OPERATION If Hi Lo is selected for OUT1 the unit will per form high low limit control When power is applied the OUT1 relay is de energized After the 6 5 second self test period if the process is below the high limit set point HSP1 and above the low limit set point LSP1 the output 1 relay will be energized and the OP1 indicator will go off If the process goes above the high limit set point or below the low limit set point the relay will be de energized the OP1 indicator will go on and the display will show the process value After the OUT1 Relay ON process is within the normal operation range and the R key is pressed or the remote reset input is applied the relay will be energized and the OP1 OUT1 Relay ON LOW LIMIT OPERATION If Lo is selected for OUT1 the unit will perform low limit control When power is applied the OUT1 relay is de energized After the 6 5 second self test period if the process is above the low limit set point LSP 1 the out put 1 relay will be energized and the OP1 indicator will go off If the process goes below the low limit set point the relay will be de energized the OP 1 indicator will go on and the display will show the process value After the process rises above the low limit set point and the R key is pressed or the remote reset input is applied the relay will be energized and the OP1 indicator will go off aan LSP1 O1 HY S LSP1
30. it via the RS 485 port 3 Use a PC and configuration software to program the unit via the programming port High accuracy maximum flexibility fast response and user friendly operation are the main features of the TEC 910 high limit controller 0 g0 3 4 Option 1 Form A Relay 2A 240 Vac 2 Pulsed voltage to drive SSR drive 5V 30mA 6 Triac Output 1A 240 Vac SSR 7 Isolated 20V 25 mA DC Output Power Supply 8 Isolated 12V 40 mA DC Output Power Supply 9 Isolated 5V 80 mA DC Output Power Supply A RS 485 B Event Input C Pulsed voltage to drive SSR drive 14V 40mA D Retransmit 4 20mA 0 20mA E Retransmit 1 5V 0 5V F Retransmit 0 10V H Other Output 1 1 Form C Relay 2A 240 Vac 2 Pulsed voltage to drive SSR drive 5V 30mA 6 Triac output 1A 240 Vac SSR 9 Other TEC99012 Programming Cable TEC99003 Smart Network Adapter for programming port to RS 232 interface TEC99030 Configuration Software 1 3 Programming Port Programming Port TEC99012 is connected here to perform setup and calibration procedures control board ini __ Mec Power board Open housing Top view of TEC 910 1 4 Keys and Displays KEYPAD OPERATION SCROLL KEY 1 Select a set point to be displayed 2 Select a parameter to be viewed or adjusted 3 Advance display from a parameter code to the next parameter code ENTER KEY 4 seconds 8 second
31. ng functions 0 100mV millivolt source with 0 005 accuracy 0 10V voltage source with 0 005 accuracy 0 20mA current source with 0 005 accuracy 0 300 ohm resistant source with 0 005 accuracy 2 A test chamber providing 25 C 50 C temperature range 3 A switching network SWUI16K optional for automatic calibration 4 A calibration fixture equipped with programming units optional for automatic calibration The calibration procedure described in the following sec tion is a step by step manual procedure Normal Mode 2 4 seconds Setup Mode 4 seconds ado Step 1 4 seconds fresey ADG gt Step 2 _ X 4 seconds Step 3 4 seconds Y cia Step4 E 4 seconds Y RESET gt RE Step5 6 e 4 seconds Y RESE SR S Step 6 5 l 4 seconds Figure 5 1 Flow Chart for Manual Calibration Manual Calibration Procedures e Press Enter Key for six seconds to enter calibration mode See Figure 5 1 Step 1 Calibrate the Zero of the A to D converter Short terminal 4 and 5 then press for at least 4 seconds The display will blink for a moment until a new value is obtained If the display didn t blink then the calibration failed Step 2 Calibrate the Gain of the A to D converter Send a span si
32. o 122 F 10 C to 50 C Storage temperature 40 to 140 F 40 C to 60 C Humidity 0 to 90 RH non condensing Insulation resistance 20 Mohms min at 500VDC Dielectric strength 2000VAC 50 60 Hz for 1 minute Vibration resistance 10 55 Hz 10 m s for 2 hours Shock resistance 200m s 20g Moldings Flame retardant polycarbonate Dimensions 1 7 8 x 1 7 8 x 3 3 4 H x W x D 48 x 48 x 94 mm Depth behind panel 3 3 8 86 mm Weight 33 Ibs 150 grams Approval Standards Safety FM Class 3534 Oct 1998 UL873 11th edition 1994 CSA C22 2 No 24 93 EN61010 1 EC1010 1 Protective class IP30 front panel indoor use IP20 housing and terminals with protective cover EMC EN61326 Chapter 7 Modbus Communications This chapter specifies the Modbus Communications proto checking None Even or Odd Baud rate may be set to 300 col as RS 232 or RS 485 interface module is installed Only 600 1200 2400 4800 9600 14400 19200 28800 and RTU mode is supported Data is transmitted as eight bit binary bytes with 1 start bit 1 stop bit and optional parity 7 1 Functions Supported Only function 03 06 and 16 are available for this series of controllers The message formats for each function are described as follows Function 03 Read Holding Registers Query from Master Response from Slave 38400 Slave address 0 255 __ _ Function code 3 lt Starting address of register H
33. ommunication interface and Retransmission Alternative output options include SSR drive and triac The input signal is digitized by using an 18 bit Analog to Digital converter Its fast sampling rate 5 times second allows the TEC 910 to control fast processes such as pressure and flow in addition to temperature RS 485 digital communication is available as an additional option This option allows the TEC 910 to be integrated with a supervisory control system An alarm output is 1 2 Ordering Code TEc 910 O O 1 2 Power Input 4 90 264 Vac 47 63 Hz 5 11 26 Vac or Vde 9 Other Signal Input 1 Standard Input Thermocouple J K T E B R S N L C P RTD PT100 DIN PT100 JIS mV0 60 mV 2 Voltage 0 1V 3 Voltage 0 10V 4 0 20 mA 9 Other Accessories TEC99001 Smart Network Adapter for third party software converts 255 channels of RS 485 or RS 422 to RS 232 Network another option A variety of alarm functions and alarm modes can be programmed for a specific application The DC power supply output option is used for an external sen sor or transmitter The standard event input option can be programmed for remote reset or remote lock out signal input The limit annunciator option can be used to control an alarm buzzer Three different methods can be used to program the TEC 910 1 Use the keys on the front panel to program the unit manually 2 Use a PC and setup software to program the un
34. ot affect compliance with any applicable specification TEC Temperature Controllers are warranted to be free from defects in material and workmanship for two 2 years after delivery to the first purchaser for use Tempco s sole responsibility under this warranty at Tempco s option is limited to replacement or repair free of charge or refund of purchase price within the warranty period specified This watranty does not apply to damage resulting from trans portation alteration misuse or abuse RETURNS No product returns can be accepted without a completed Return Material Authorization RMA form TECHNICAL SUPPORT Technical questions and troubleshooting help is available from Tempco When calling or writing please give as much background information on the application or process as possible E mail techsupport tempco com Phone 630 350 2252 800 323 6859 Note Information in this manual was deemed correct at the time of printing The policy of Tempco is one of continuous development and product improvement and we reserve the right to modify specifications and designs without prior notice Not responsible for typographical errors 35 Complete Your Thermal Loop System With Over 100 000 Various Items Available from Stock e Electric Heating Elements e Videographic Data Recorders e Thermocouples and RTD Assemblies Temperature Measurement e SCR Power Controls e Current Indicators e Solid State Relays e Thermocouple an
35. r may be a negative value with decimal point The high low scale values for each parameter are used for the purpose of such conversion Let M Value of Modbus message A Actual value of the parameter SL Scale low value of the parameter SH Scale high value of the parameter M 5235 x A SL AS SL SH SL S x M SL 32 7 5 Communication Examples Example 1 Download the default values via the programming port The programming port can perform Modbus communications regardless of the incorrect setup values of address baud parity stop bit etc It is especially useful during the first time configuration for the controller The host must be set with 9600 baud rate 8 data bits even parity and stop bit The Modbus message frame with hexadecimal values is shown as follows 1 Unlock the controller 10 00 11 4 Preset the third group of the parameters 06 00 8E 68 2C HI LO Addr Func Reg Addr CMND 26668 CRC16 2 Preset the first group of the parameters 10 00 09 00 07 OE 00 01 00 00 Addr Func Starting Addr No of words Bytes INPT 1 UNIT 0 00 01 4E 1F 52 07 4E 1F 00 02 HI LO RESO 1 IN LO 0 IN HI 100 0 SHIF 0 0 FILT 2 CRC16 3 Preset the second group of the parameters 10 00 01 00 03 06 52 07 4E 1F 51 A3 HI LO Adat Func Starting Adar No of words Bytes HSP1 1
36. s Press the enter key for 4 seconds to enter the setup menu Press the enter key for 8 seconds to enter the calibration mode UP KEY 4 This key is used to increase the selected parameter value when the lock indicator is off DOWN KEY 7 This key is used to decrease the selected parameter value when the lock indicator is off Figure 1 1 Programming Port Location The programming port is used for off line automatic setup and testing procedures only Don t attempt to make any connection to these pins when the unit is actively being used in a control application RESET KEY R This key is used to 1 Revert the limit condition after the process is within the limit 2 Revert the display to the normal display 3 Reset the latching alarm once the alarm con dition is removed 4 Reset the limit annunciator Note If the RESET key is left pressed only ONE reset operation will occur If the unit subsequently goes into a state where reset is required again the RESET key or remote reset contacts must be released opened and pressed closed again UNLOCK KEY R 4 seconds Press the RESET key for 4 seconds to enable up down key function reset the reference data sec tion 3 13 and extinguish the lock indicator However this function is disabled when the remote lock is selected for EIFN Event Input Function See section 3 11 Figure 1 2 Front Panel Display The reference data are reset as
37. sed to select the display format for normal conditions If PV is selected the display will indicate the process value If SP1 is selected the display will indicate HSP1 value for high limit control OUT1 HI and high low limit control OUT 1 HI LO or indi cate LSP1 value for low limit control OUT LO If SAFE is selected the display will indicate the word SAFE for normal conditions However if the process value goes beyond high limit or low limit the display will indicate the process value If an error condition occurs the display will indicate the error symbol 3 9 Signal Conditioner DC Power Supply Three types of isolated DC power supplies are available to supply an external transmitter or sensor These are 20V rated at 25mA 12V rated at 40mA and 5V rated at 830mA DC voltage is delivered to the output 2 terminals by selecting DCPS for OUT2 in the setup menu Two line Transmitter Set ourz gL PS DC Power Supply Three line Transmitter or sensor Figure 3 5 DC Power Supply Application Bridge Type Sensor Caution To avoid damage don t use the DC power supply beyond its rating current Purchase a power supply with the correct voltage to suit your external devices See ordering code in section 1 2 3 10 Remote Reset If REST is selected for the Event Input Function EIFN terminals 16 and 17 will act as remote reset input Pressing the remote reset button will perform the same function as
38. te thermal lag Since the thermocouple is basically a point measuring device placing more than one thermocou ple in parallel will provide an average temperature readout and produce better results in most air heated processes 2 6 Thermocouple Input Wiring Thermocouple input connections are shown in figure 2 5 The correct type of thermocouple extension lead wire or compensating cable must be used for the entire distance between the unit and the thermocouple ensuring that the correct polarity is observed throughout Junction terminal blocks or splices in the cable run should be avoided if pos sible If the length of the thermocouple plus the extension wire is too long it may affect the temperature measurement A 400 ohms K type or a 500 ohms J type thermocouple lead resist ance will produce approximately 1 C temperature error 12 Fuse lj eo fo gt 90 264 VAC or L h 11 26 VAC VDC Figure 2 4 Power Supply Connections Proper sensor type is also a very important factor in obtain ing precise measurements The sensor must have the correct temperature range to meet the process requirements In spe cial processes the sensor might have requirements such as leak proof anti vibration antiseptic etc Standard sensor limits of error are 4 F 2 C or 0 75 of the sensed temperature half that for special limits of error plus drift caused by improper protection or an over
39. the last UNLOCK operation The values of the reference data will be initiated as soon as the RESET key is pressed for 4 seconds UNLOCK operation After the UNLOCK operation the PV HI and PV LO values will start from the current process value and T ABN value will start from zero Chapter 4 Application An oven uses a single phase heater to heat the process A single loop tem perature control TEC 9100 is used to regulate the temperature A TEC 910 limit control is used to protect the process from being overheated The wiring diagram is shown below Temperature Control L N TEC 920 Rear View Reset ar Button Limit Control TEC 910 Rear View Mechanical Contactor Figure 4 1 Over Temperature Protection with Remote Reset 23 24 NOTES Chapter 5 Calibration Do not proceed through this section unless there is a definite need to recalibrate the controller If you recalibrate all previous calibration data will be lost Do not attempt recalibration unless you have the appropriate cali bration equipment If the calibration data is lost you will need to return the controller to your supplier who may charge you a service fee to recalibrate the controller Entering calibration mode will break the control loop Make sure that the system is ready to enter cal ibration mode Equipment needed for calibration 1 A high accuracy calibrator Fluke 5520A calibrator rec ommended with the followi
40. um rating specified in chapter 6 2 1 Unpacking Upon receipt of the shipment remove the unit from the car ton and inspect the unit for any shipping damage If there is any damage due to transit report it and file a claim with the carrier Write down the model number seri al number and date code for future reference when corre sponding with our Service Department The serial number SN and date code D C are labeled on the box and the housing of the unit 2 2 Mounting Make the panel cutout according to the dimensions shown in figure 2 1 Remove the mounting clamps and screws and insert the controller into the panel cutout Reinstall the mounting clamp and screws Gently tighten the screws until the front panel fits snugly in the cutout Less ace m mm i ae Panel Cutout 46 mm 94mm Figure 2 1 Mounting Diagram DDRS I Panel 86mm 9 32 max 0 mm Figure 2 2 7 1 8 Lead Termination 3 2mm 4 Spade SUN for 6 Stud 2 3 Wiring Precautions e Before wiring verify the correct model number and options on the label Switch off the power while check ing e Care must be taken to ensure that the maximum voltage rat ing specified on the label is not exceeded e It is recommended that the power for these units be pro tected by fuses or circuit breakers rated at the minimum value possible e All units should be installed inside a suitably grounded metal enclosure to prevent live parts
41. unit 1 E5 0 no dP No decimal point F o i s E oreo Display Resolution 1 i oP 1 decimal digit 1 2 dP 2 decimal digits 3 3 dP 3 decimal digits inLo Low scale value for i Low 19999 High IN HI INLO linear Input Page 11 g 0 mui High scale value for INHI linear Input Page 11 Low IN LO High 45536 100 0 SHE PV Shift offset 200 0 C 200 0 C 0 0 SPIF Value Low 360 0 F High 360 0 F 0 2 0 second time constant 1 3 2 0 2 second time constant 2 G 5 0 5 second time constant 3 1 second time constant Filk a Filter Time 4 2 2 seconds time constant onstant FILT Page 15 5 5 5 seconds time constant 2 6 O 10 seconds time constant 7 2 20 seconds time constant 8 32 30 seconds time constant 9 amp 60 seconds time constant 0 H High limit control outi Output 1 Function 1 Lo Low limit control 0 OUT1 2 Hi Lo High Low limit control a ee Range ae oly Output 1 Hysteresis Low 0 1 High 10 0 C 18 0 F 1 O1 HY Value wor ANA MR 18 07 H 0 0 C ieia Lower Limit of HSP1 Low 19999 High HSPH 32 0 F HSP H i oad ae 1000 0 C HSPH Upper Limit of HSP1 Low HSP L High 45536 1832 0 F LSP L 100 0 C LSPL Lower Limit of LSP1 Low 19999 High LSP H 148 0 F H a 0 0 C eet Upper Limit of LSP1 Low LSP L High 45536 32 0 F Le 0 nonE No Function DU Output 2 Function 1 DCPS DC power supply output 2 Sonn RS 485
42. ure 2 12 RS 485 Wiring 16 Figure 3 1 Conversion Curve for Linear Type Process Value 0 000 17 Figure 3 2 Filter Characteristics 18 Figure 3 3 Normal Process Alarm 19 Figure 3 4 Latching Process Alarm 19 Figure 3 5 DC Power Supply Application 21 Figure 3 6 Remote Reset Application 21 Figure 3 7 Remote Lock Application 22 Figure 4 1 Over Temperature Protection with Remote Reset 000 23 Figure 5 1 Flow Chart for Manual Calibration 25 Figure 5 2 Cold Junction Calibration Setup 25 Figure 5 3 RTD Calibration 26 Table 1 1 Display Form of Character 3 Table 6 1 Input Characteristics 27 Table A 1 Error Codes and Corrective Actions 34 NOTES Chapter 1 Overview 1 1 General The TEC 910 limit control is an over temperature protec tion or a high limit safety device with a latching output that removes power in an abnormal condition when the process temperature is higher than the high limit set point or lower than the low limit set point The unit is powered by 11 26 or 90 264VDC VAC supply voltage incorporates a 2 amp form C relay for limit control a universal input which is fully programmable for PT100 thermocouple types J K T E B R S N L and 0 60mV and an option port is available for one of the following functions RS 232 RS 485 c
43. ut Logic Low 10V minimum 0 8V maximum Rating 1A 240VAC Logic High 2V minimum 10V maximum Inrush Current 20A for 1 cycle Functions Remote reset remote lockout Min Load Current 50mA rms Max Off state Leakage 3mA rms Output 1 Output 2 Max On state Voltage 1 5V rms Relay Rating 2A 240VAC 200 000 life cycles Insulation Resistance 1000Mohms min at 500VDC for resistive load Dielectric Strength 2500VAC for 1 minute Pulsed Voltage Source voltage 5V current limiting resistance 66 ohms DC Voltage Supply Characteristics Installed at Output 2 Ripple Isolation Type Tol Max Output pp die iS Sanes Current Voltage Barrier 20V A0 5V 25 mA 0 2 Vp p 500 VAC 5V A0 15V 80mA 0 05 Vp p 500 VAC 27 Data Communication Interface RS 232 1 unit RS 485 up to 247 units Protocol Modbus protocol RTU mode Address 1 247 Baud Rate 0 3 38 4 Kbits sec Data Bits 8 bits Parity Bit None even or odd Stop Bit 1 or 2 bits Communication Buffer 50 bytes User Interface 4 digit LED Displays 0 4 10 mm Keypad 4 keys Programming Port For automatic setup calibra tion and testing Communication Port Connection to PC for supervisory control Limit Control High limit low limit and high low limit programmable Digital Filter Function First order Time Constant 0 0 2 0 5 1 2 5 10 20 30 60 seconds programmable 28 Environmental and Physical Operating temperature 14 t
44. y Error Description Corrective Action Code Symbol Communication error bad Correct the communication 10 E function code software to meet the protocol requirements 14 Communication error register Don t issue an over range address out of range register address to the slave Communication error attempt Don t write a read only data or a to write a read only data or a protected data to the slave protected data Communication error write a Don t write an over range data value which is out of range toa to the slave register register Input sensor break or input current below 1 mA if 4 20 mA is selected or input voltage below 0 25V if 1 5V is selected Replace input sensor A to D converter or related Return to factory fi ir component s malfunction ee Tey Tor repair WARRANTY Tempco Electric Heater Corporation is pleased to offer sug gestions on the use of its products However Tempco makes no warranties or representations of any sort regard ing the fitness for use or the application of its products by the Purchaser The selection application or use of Tempco products is the Purchaser s responsibility No claims will be allowed for any damages or losses whether direct indirect incidental special or consequential Specifications are sub ject to change without notice In addition Tempco reserves the right to make changes without notification to the Purchaser to materials or processing that do n
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