Figure 13 2500C-8-TC Effect of Voltage Input on Type J
Contents
1. 34 2500C 8 TC Installation and Operation Guide REPAIR POLICY In the event that the Product should fail during or after the warranty period a Return Material Authorization RMA number can be requested orally or in writing from CTI main offices Whether this equipment is in or out of warranty a Purchase Order number provided to CTI when requesting the RMA number will aid in expediting the repair process The RMA number that is issued and your Purchase Order number should be referenced on the returning equipment s shipping documentation Additionally if the product is under warranty proof of purchase date and serial number must accompany the returned equipment The current repair and or exchange rates can be obtained by contacting CT s main office at 1 800 537 8398 or go to www controltechnology com support repairs When returning any module to CTI follow proper static control precautions Keep the module away from polyethylene products polystyrene products and all other static producing materials Packing the module in its original conductive bag is the preferred way to control static problems during shipment Failure to observe static control precautions may void the warranty 2500C 8 TC Installation and Operation Guide 352. cccccccceeeeeeeeeeseeeeeeeeeeeeeeensnaaaaeeeeeeeteenessaaaaes 15 Figure 21 2500C 8 TC Word Map for Configuration Data cccccceeeeeeeeeeeeeeeeeeeteeeeenaees 16 Figure 22 2500C 8 TC Binary Example of Module Configuration Word cceeeee 16 Figure 23 2500C 8 TC Board Layout PiCture cccccceesesseceeeeeeeeeeeeeeeseeeeeeeeeeeeeeeenseeeaes 19 Figure 24 2500C 8 TC Operation Mode Jumpers PICture ccccceeeeeeeeeeeeeeeeeeeeeteeennaeees 21 Figure 25 2500C 8 TC Jumper Signal Selection Table cccccccceeeeseeeeeeeeeeeeeeeeteeeneaaees 22 Figure 26 2500C 8 TC Binary Example of Module Configuration Word 22 Figure 27 2500C 8 TC Binary Example of Module Configuration Word cceeeee 22 Figure 28 2500C 8 TC Default Factory SettingS seeessessnnrrneeeserrerrrrnrrsserrnrnrnnnesssernnne 22 Figure 29 2500C 8 TC Module Physical Installation Picture ccccceceeseeeeeeeeeeeeeeeeneees 23 Figure 30 2500C 8 TC Wiring Connector Diagram eeceeeeeeeeeeee eee eeeeeeneeeeeeeeeeteeenaaees 24 Figure 31 Millivolt Wiring Connector Diagram ccccceececeeeeeeeeeeeeeeeeeeeeenieeeeeeeeeeteneeaaees 25 Figure 32 Thermocouple Wiring Connector Diagram ccccccccceceeeeeeeeeeeeeeeeeeeeeeteeennaaees 25 Figure 33 2500C 8 TC Thermocouple Type and Wire Descriptions ccceeeeeeeeees 25 Figure 34 2500C 8 TC LED Error Code Table ccccccceecessecnccceeeeeeeesenseeee
3. 8 Millivolts 43 Millivolts 60V 210 to 760 C 60V P a Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 12 2500C 8 TC Effect of Voltage Input on Type J Thermocouple 12 2500C 8 TC Installation and Operation Guide Type K 6 Millivolts 55 Millivolts 60V 270 to 1372 C 60V 4 i Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 13 2500C 8 TC Effect of Voltage Input on Type J Thermocouple Type T 6 Millivolts 21 Millivolts BOY 270 to 400 C 60vV lt gt Module not Reports Accuracy Reports Module not protected overrange within underrange protected damage error code specification error code damage might occur might occur Figure 14 2500C 8 TC Effect of Voltage Input on Type T Thermocouple Type E 9 Millivolts 77 Millivolts 60V 60V 270 to 1000 C lt gt Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 15 2500C 8 TC Effect of Voltage Input on Type E Thermocouple Type R 0 Millivolts 21 1 Millivolts AON 0 to 1768 C oy 4 a Module not Reports Accuracy Reports Module not prote
4. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 46 0 0 o EA ooo ahah Not Used z Bit 9 through 16 Not Used Figure 21 2500C 8 TC Word Map for Configuration Data Bit 1 Sets Temperature Measurement Range to Degrees Centigrade or Fahrenheit 0 Centigrade 1 Fahrenheit Bit 2 Sets Digital Filtering Enabled or disabled 0 Enabled 1 Disabled Bit 3 Sets Scaling Mode Enabled or Disabled O Enabled 1 Disabled Bit 4 and Bit 5 are not used Bit 6 through Bit 8 are used to set the input channel to millivolt ranges or select the Thermocouple Type 000 55 millivolts 001 Type E Thermocouple 010 Type J Thermocouple 011 Type K Thermocouple 100 Type N Thermocouple 101 Type R Thermocouple 110 Type S Thermocouple 111 Type T Thermocouple Binary Examples of the Configuration Word for WY9 Channel 1 X represents a null location 000x x000 XXXX xxxx Module is set for C Digital Filtering Scaling Enable 55mV 100x x001 XXXX XXXX Module is set for F Digital Filtering Scaling Enable Type E 100x x010 XXXX XXXX Module is set for F Digital Filtering Scaling Enable Type J Figure 22 2500C 8 TC Binary Example of Module Configuration Word 16 2500C 8 TC Installation and Operation Guide CHAPTER 2 INSTALLATION amp SETUP The installation of the 2500C 8 TC consists of the following steps 1 Reading this Chapter 2 Installation planning
5. conductive coatings away from mounting studs and from enclosure surfaces where mounting bolts and washers make contact In addition to connecting the controller rack and power supply to earth ground you must ensure that the power supply controller and all modules installed in the base are installed securely and that the thumbscrews are tightened 18 2500C 8 TC Installation and Operation Guide 2 2 2500C 8 TC Board Layout Top of the Module LED ite oe Module Front Panel Operation Mode Selection Jumpers Backplane Connector lt Wiring Connector ane m LE Eo mite Plug in BS itt ie 1tht ttir ati s A 1 r 3 l Channel Range Selection Jumpers Figure 23 2500C 8 TC Board Layout Picture 19 2500C 8 TC Installation and Operation Guide 2 2 1 Defining Operation Mode and Range Selections Before you can install the module you must review your planned input signals by channel and decide on one the operation modes Classic or Classic Plus and the range selections and settings for each input If your application needs only Type J Thermocouple digital filtering enabled and degree measurements in Centigrade for every channel then you may use Classic mode All other ranges and options require the selection of Classic Plus mode and will be configured in your PLC logic 2 2 2 Power Requirements The 2500C 8 TC module consumes 0 75 watts of 5VDC power To calculate the total power required for the
6. 3 Unpacking the module 4 Configuring the module 5 Physical installation 6 Connecting field wiring 7 Checking operation 2 1 Installation Planning 2 1 1 Safety Considerations Before installing the module you must identify the personnel hazards that may be created in the event of a system failure and provide interlocks and safety switches to prevent operation during a system failure Refer to the NEMA ICS 3 304 Programmable Control Standards WARNING As a system designer you should be aware that Control devices can fail in an unsafe condition Unless you incorporate proper safeguards malfunction of the controller or associated devices such as operator interface equipment could cause sudden equipment startup shutdown or other unexpected operation Such startup or shutdown or unexpected operation could result in death or serious injury to personnel and or damage to equipment If you or your company are using CTI controllers with equipment that requires the presence of a person such as an operator or attendant you should be aware of this potential safety hazard and take appropriate precautions The precautions below conform to the National Electrical Manufacturers Association guidelines for installation of programmable controllers as recommended in the NEMA ICS 3 304 Programmable Control Standards ICS 3 304 81 Safety Recommendations Consideration should be given to the use of an emergency stop function which is indepe
7. base you need to add the power requirements for the other modules you will install in the base 2 3 Unpacking the Module Open the shipping carton and remove the special anti static bag that contains the controller After discharging any static build up remove the unit from the static bag Do not discard the static bag use it for protection against static damage when the module is not inserted into the I O base CAUTION The components on the 2500C 8 TC printed circuit card can be damaged by static electricity discharge To prevent this damage the module is shipped in a special anti static bag Static control precautions should be followed when removing the module from the bag and when handling the printed circuit card during configuration 2 4 Configuring the Module Prior to inserting the module in the base you must first configure it for operation based on your requirements identified in Section 2 2 1 above Configuration includes selecting operation mode and selecting signal type digital filtering scaling and degrees F or C reporting for each channel In addition if you have selected Classic Plus mode you must configure your PLC program to set the necessary bits in the WY word for the module NOTE Remember the module configuration must be reflected not only in the jumper selections but also in the Channel Configuration Words that is written to the module from the CPU This requires logic in the application program to make this
8. remedies specified herein and shall have no others for a nonconformity in the Product The customer agrees that these remedies provide the customer with a minimum adequate remedy and are its exclusive remedies whether based on contract warranty tort including negligence strict liability indemnity or any other legal theory and whether arising out of warranties representations instructions installations or non conformities from any cause The customer further acknowledges that the purchase price of the Product reflects these warranty terms and remedies 8 Force Majeure CTI will not be liable for any loss damage or delay arising out of its failure or that of its subcontractors to perform hereunder due to causes beyond its reasonable control including without limitation acts of God acts or omissions of the customer acts of civil or military authority fires strikes floods epidemics quarantine restrictions war riots acts of terrorism delays in transportation or transportation embargoes In the event of such delay CTI s performance date s will be extended for such length of time as may be reasonably necessary to compensate for the delay 9 Governing Law The laws of the State of Tennessee shall govern the validity interpretation and enforcement of this warranty without regard to its conflicts of law principles The application of the United Nations Convention on Contracts for the International Sale of Goods shall be excluded
9. 0 C to 60 C E 1 C from 0 C to 60 C R 2 C from 0 C to 60 C S 2 C from 0 C to 60 C N 1 C from 0 C to 60 C mV 0 5 full scale or SOOUV reduced accuracy for measurements below 500 C Less than 1 second 4 4MQ DC gt 10kQ 60Hz 1 C 2 F for all Thermocouple Types Degrees C or Degrees F selectable 16 bits 15 bits plus sign 0 32000 temp 32000 to 32000 mV C or F x 10 temp 10000 to 10000 mV gt 110db 60Hz gt 60db 60Hz gt 50db 50 Hz 1 25 watts IEC 1000 4 2 Level 4 Channel to Channel 200V Channel to Backplane 1500VDC 0 C to 60 C 32 F to 140 F UL ULC UL Class 1 Div 2 CE 223 84mm x 109 86mm x 34 93mm 0 45kg 40 C to 85 C 40 F to 185 F 5 to 95 non condensing 31 32 EMF mV Over Useful Temperature Range 0 42 283 5973 TO 40 633 SKA lo 17 818 CHROMEL CONSTANTAN 328 1 i n re NIGKEL CHROMUIM COPPER NICKEL TI in NK Cu Ni F y x 2 7 Grade KC NICROSIL NISIL NONE Thermocoucie Grada 4345 047 502 NESHAg 06 200 C Emmo Grade PLATINUM Te PLATINUM 13 AHOOUIN PI NOE Thorpen Oto 16 741 PHIS Ah J PLATINUM 10 RHOOIUY PL 10 Rh PLATINUM PLATINUM 30 RHODIUM 6 RHODIUM KE Rh PG Rh TUNGSTEN w TUNGSTEN TUNGSTEN 5 RHENUM 28 RHENIUM W453 Re W20 Re TUNGSTEN TUNGSTEN 3 RHENUM 25 RHENIUM Om 39 505 W3 Re 25 Ra Gombe Grade 25
10. 00C 8 TC Installation and Operation Guide CTI WARRANTY Warranty Control Technology Inc CTI warrants that this CTI Industrial Product the Product shall be free from defects in material and workmanship for a period of one 1 year from the date of purchase from CTI or from an authorized CTI Industrial Distributor as the case may be Repaired or replacement CTI products provided under this warranty are similarly warranted for a period of 6 months from the date of shipment to the customer or the remainder of the original warranty term whichever is longer This Product and any repaired or replacement products will be manufactured from new and or serviceable used parts which are equal to new in the Product This warranty is limited to the initial purchaser of the Product from CTI or from an authorized CTI Industrial Distributor and may not be transferred or assigned 2 Remedies Remedies under this warranty shall be limited at CTI s option to the replacement or repair of this Product or the parts thereof only after shipment by the customer at the customer s expense to a designated CTI service location along with proof of purchase date and an associated serial number Repair parts and replacement products furnished under this warranty will be on an exchange basis and all exchanged parts or products become the property of CTI Should any product or part returned to CTI hereunder be found by CTI to be without defect CTI will return such product
11. 500C 32F CJC a standard connector is NOT interchangeable to provide wiring terminals for Channels 1 8 thermocouple inputs and two temperature cold junction compensation sensors The wiring connector accepts 14 22 AWG wire 1 3 Asynchronous Operation The module operates asynchronously with respect to the PLC a scan of the PLC and input sampling of the module do not occur at the same time Instead the module will translate all analog inputs in one module update 3 5 milliseconds maximum and store the translated words in buffer memory The PLC retrieves the stored words from the module buffer memory at the start of the I O scan A _ w tr to RESPONSE TIME W ts tp LING TIME NEW OUTPUT LEVEL oe ney ts to UPDATE TIME a i t4 to PLC SCAN TIME 5 OUTPUT LEVEL FROM X 1 UPDATE i 2 o 1 I 1 1 i 1 1 1 1 i t gt TIME 1 tr ty to BEGIN UPDATE X ts BEGIN UPDATE X 1 Figure 2 Asynchronous Operation Diagram 1 4 Modes of Operation The 2500C 8 TC supports two modes of operation Classic mode and Classic Plus mode These two modes are selected by jumper JP11 located at the top of the card Refer to Figure 23 2500C 8 TC Board Layout Picture for the location of this jumper Classic Mode is the default shipping selection 2500C 8 TC Installation and Operation Guide 7 1 4 1 Classic Mode In Classic mode or Low Density operation the 2500C 8 TC operates logs in to the PLC as an 8 word I
12. 8398 or email us at sales controltechnology com REVISION HISTORY Revision Date Description 1 0 4 15 2014 Initial Release PREFACE This Installation and Operation Guide provides reference information for the CTI 2500C 8 TC 8 Channel Thermocouple Module for 2500 Series Compact I O system We assume you are familiar with the operation of CTI 2500 Series programmable controllers Refer to the appropriate user documentation for specific information on the 2500 Series programmable controllers and I O modules This Installation and Operation Guide is organized as follows Chapter 1 provides a description of the module Chapter 2 covers installation setup and wiring omon S3 omon amp Saou g omen i Sioa Sioa omon g omon omon Ad Lg 5 2 i omon ome a aoa STi s 2500C 8 TC Installation and Operation Guide i USAGE CONVENTIONS NOTE Notes alert the user to special features or procedures CAUTION Cautions alert the user to procedures that could damage equipment WARNING Warnings alert the user to procedures that could damage equipment and endanger the user TABLE OF CONTENTS USAGE CONVENTIONS sisscisisessce cecssen tb canterttendivscinasvecaneeniendsctevnssecetavionieiuseeecttinixe ll TABLE OF FIGURES srasiactnsnccteveniicertsncsseacin tient entaatei eerie 5 CHAPTER OVERVIEW ss cccciictecccstessceteiezecacentesccnisestacacicseasssssezssacestessetcse
13. Control Technology Inc 5734 Middlebrook Pike Knoxville Tennessee 37921 www controltechnology com Toll Free 800 537 8398 2000 Series Compact I O System 2500C 8 TC 8 CHANNEL THERMOCOUPLE INPUT MODULE 2500 SERIES COMPACT I O INSTALLATION AND OPERATION GUIDE Version 1 0 Copyright 2014 Control Technology Inc All rights reserved This manual is published by Control Technology Inc CTI 5734 Middlebrook Pike Knoxville TN 37921 This manual contains references to brand and product names which are trade names trademarks and or registered trademarks of Control Technology Inc Siemens SIMATIC and Series 505 and 505 are registered trademarks of Siemens AG Other references to brand and product names are trade names trademarks and or registered trademarks of their respective holders DOCUMENT DISCLAIMER STATEMENT Every effort has been made to ensure the accuracy of this document however errors do occasionally occur CTI provides this document on an as is basis and assumes no responsibility for direct or consequential damages resulting from the use of this document This document is provided without express or implied warranty of any kind including but not limited to the warranties of merchantability or fitness for a particular purpose This document and the products it references are subject to change without notice If you have a comment or discover an error please call us toll free at 1 800 537
14. HIELD CHX 1of6 CHASSIS GNDS aao Figure 32 Thermocouple Wiring Connector Diagram Figure 31 Millivolt Wiring Connector Diagram Thermocouple Negative Positive Type Lead Lead Copper Nickel Red Iron White Nickel Aluminum Red Nickel Chromium Yellow Copper Nickel Red Copper Blue Copper Nickel Red Nickel Chromium Purple Platinum Red Platinum 13 Rhodium Black Platinum Red Platinum 10 Rhodium Black Zo Dm Ay A Cc Nisil Red Nicrosil Orange Figure 33 2500C 8 TC Thermocouple Type and Wire Descriptions 2500C 8 TC Installation and Operation Guide 25 2 6 3 Connecting the Shield Wiring Control Technology Inc recommends that all wires be shielded twisted pair with a foil wrap shield and a separate drain wire and that they be installed in a metallic conduit For millivolt applications use Belden cable 8761 or equivalent which contains a foil wrap shield and a separate drain wire The shield and the foil wrap should be twisted together and should be terminated at only one end The other end should be left in an open circuit condition CTI recommends that the shield be terminated at the PLC end of the signal wire Special components are installed on the module to aid in the rejection of noise When entering the industrial cabinet the shield should be routed from the main terminal strip all the way to the PLC Signal leads that
15. aeeeeeeseseeeseaeaes 27 2500C 8 TC Installation and Operation Guide 5 CHAPTER 1 OVERVIEW 1 1 Introduction The CTI 2500C 8 TC Eight Point Thermocouple Input Module is a member of Control Technology s family of I O modules compatible with the Compact System Chassis It is designed to translate a J K T E R S N thermocouple or millivolt input signal from the field device into an equivalent digital word which is then sent to the programmable controller PLC Features e 8 Thermocouple inputs e Supports Classic and Classic Plus Modes e 7 Segment Display for Module Status indication e No user calibration Supports J K T E R S amp N thermocouples and millivolt inputs e Software Configurable Range Selection e Uses 2500C 32F CJC removable wiring connector sold separately 1 2 Front Panel Description The module front panel includes a 7 segment status display for showing module status and a 32 pin removable I O wiring connector Status display I O wiring connector with built in CUC A Figure 1 2500C 8 TC Front Panel 6 2500C 8 TC Installation and Operation Guide 1 2 1 Status Display The Status Display will be illuminated with a O when the module is functioning normally If the Status Display is not lit or if it displaying something other than O refer to Chapter 3 for troubleshooting 1 2 2 I O Wiring Connector The 2500C 8 TC utilizes a modified 32 pin connector part number 2
16. are occurrence but would yield code 32 761 if it does occur The math overflow code of 32 763 occurs when the thermocouple type mV and SCALE modes are chosen and the units tries to report a value under 32 000 The following chart summarizes the 2500C 8 TC error codes Error Code Error Comment Corrective Action 32761 Bad Temperature A temperature sensor s in front panel Sensor s connector is faulty defective call CTI for replacement 2500C 8 TC connector P N 2500C 32F CJC 32763 Math Overflow Low end range of mV SCALE exceeded Check process to determine if input is actually low Determine if mV transmitter is defective 32764 EEPROM Error EEPROM Storage Error 32765 Channel Overrange Input level is above normal input range see Figures 1 4 1 11 for each thermocouple type Check process to determine if input is actually high or if the transmitter is defective 32766 Channel Underrange Input level is above below input range see Figures 1 4 1 11 for each thermocouple type Check process to determine if input is actually low or if the transmitter is defective Figure 20 2500C 8 TC Error Code Table 2500C 8 TC Installation and Operation Guide 15 1 12 Module Setup from the PLC in Classic Plus Mode When operating in Classic Plus Mode the module reads setup information that the PLC has stored in the WY word corresponding to each channel See Section 1 4 2 for module log on example MSB LSB
17. ating that power is being supplied to the base connectors The Remote Base Controller will take a few seconds to complete the startup sequence When this is complete the status indicator on the 2500 8 TC should display a 0 Any other value displayed indicates the module has detected a problem or error You must also check that the module is configured in the memory of the PLC This is important because the module will appear to be functioning regardless of whether it is communicating with the PLC Status Comments Indicator Normal operation Defective Internal RAM contact CTI for assistance Defective Flash memory failure contact CTI for assistance Defective internal MovX contact CTI for assistance Shared RAM failure contact CTI for assistance Defective EEPROM contents Calibration Record lost or corrupted Contact CTI for assistance Front Panel Sensor Error or there is no 2500C 32F CJC installed Corrective action is to install the CJC wiring connector or if installed replace with a new CJC wiring connector M O O gt o 1 Figure 34 2500C 8 TC LED Error Code Table NOTE Refer to Hewlett Packard Applications Note 290 or Omega Temperature Handbook Volume 26 Section T for practical thermocouple measurement applications CAUTION For proper operation ensure that the 2500C 8 TC and the thermocouple wires are not subjected to drafts or large temperature gradient
18. cted underrange within overrange protected damage error code specification error code damage might occur might occur Figure 16 2500C 8 TC Effect of Voltage Input on Type R Thermocouple 2500C 8 TC Installation and Operation Guide 13 14 Type S 0 Millivolts 18 7 Millivolts uN 0 to 1768 C TOON gt Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 17 2500C 8 TC Effect of Voliage Input on Type S Thermocouple Type N 4 3 Millivolts 47 5 Millivolts 60V 60V 270 to 1300 C gt Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 18 2500C 8 TC Effect of Voltage Input on Type N Thermocouple 56 6 Millivolts 56 6 Millivolts 60V 60V 56 to 56mV gt Module not Reports Accuracy Reports Module not protected underrange within overrange protected damage error code specification error code damage might occur might occur Figure 19 2500C 8 TC Effect of Voltage Input on mV Input 2500C 8 TC Installation and Operation Guide 1 11 Error Code Values Reported to the PLC The temperature sensor bad code is reported to the PLC when either of the two temperature sensors encapsulated in front panel connector goes bad This is a r
19. do not maintain a shield from the terminal strip to the PLC act as antennas and are susceptible to radiated and conducted emissions in the cabinet Unprotected cables may introduce measurement errors in the module If the installation is in an extremely noisy environment CTI strongly recommends that the shielded wires be terminated to the PLC chassis ground CTI has exhaustively tested this product to maximize its ability to reject noise from inductive sources as well as showering arcs fast transients and other high frequency generators and has determined that the best performance results from connecting all shield wires together at the PLC module and terminating this single wire to the chassis ground with a large current capacity conductor CTI recommends using a 8 gauge wire or larger from the PLC chassis to the earth ground connection 2 7 Installing the Screw Terminal Connector When all the input signal wires are connected to the screw terminal connector carefully install the connector on the front of the module 2 8 Calibration of the Module The 2500C 8 TC Thermocouple Input Module is calibrated at the factory No further calibration is required All calibration parameters are stored in non volatile memory There are no user adjustments on this product 26 2500C 8 TC Installation and Operation Guide 2 9 Checking Module Operation Apply power to the base power supply The Power Good LED on the power supply should illuminate indic
20. e 26 2500C 8 TC Binary Example of Module Configuration Word Top of the Module Bs TYPE j gt KNM KNMV a SRST 2 i R S T 1 CH 1 Figure 27 2500C 8 TC Binary Example of Module Configuration Word 2 4 3 Factory Default Settings The 2500C 8 TC default configuration as shipped from the factory is listed in the table below 2500 8 TC Default Shipment Settings Classic Mode Teme G Figure 28 2500C 8 TC Default Factory Settings 22 2500C 8 TC Installation and Operation Guide 2 5 Physical Installation Remove AC power from the rack Align the circuit board with the connector next to the power supply Slide the controller into the rack until the connector seats Use the thumbscrews to secure the controller in the rack Figure 29 2500C 8 TC Module Physical Installation Picture IMPORTANT NOTE The 2500 8 TC is designed to allow hot swapping the module under power in the event that a replacement is needed When hot swapping the module use the following procedure Make sure all field devices connected to the module are placed into a safe state Remove the I O connector from the front of the module Loosen the module retaining screws and remove it from the base Ensure the jumper configuration of the replacement module matches the one just removed Install the replacement module and tighten the retaining screws The replacement module must be the same model number as the one removed Reattach
21. eaccee arene netietes 24 2 6 1 Understanding the Modified Front Panel Connector 25 2 6 2 Connecting Thermocouple Input Wiring e eceeeeeeeeeeeeeeeeeeees 25 2 6 3 Connecting the Shield Wiring eeceeceeeeeeeeeeeeeeeseeseeteeceeseeeseees 26 2 7 Installing the Screw Terminal Connector cecceeee eee eeeeteeeeeteteeeteeees 26 2500C 8 TC Installation and Operation Guide 2 8 Calibration of the Module uu ceec cece ce eecccccseeeeeeeescesseeeeeeseeeeseessneeeeeeeess 26 2 9 Checking Module Operation ccceccesceeceececeeeeeeeceeeeeeeeeseeseeeeesaeseeseeeaees 27 CHAPTER 3 lerena send edt taille i TROUBLESHOOTING 28 APPENDIX A MODULE SPECIFICATIONG eccssseeeceeeseeeseenseeeeeenseseeeseeeeees 31 CTE WARRANT Y icici iasccccccesnaceccathascecivvassesancanasiwexetenssctaveneucuentiniquavensssectsvastenecieetes 33 REPAIR POLICY E O 35 4 2500C 8 TC Installation and Operation Guide Table of Figures Figure 1 2500C 8 TC Front Panel scia ccsincacesveecestsbiovaidtuserenteuse tend Mbwsaresviweentieiamenas autores 6 Figure 2 Asynchronous Operation Diagram ccccccccceeeeeeeceeeneeeeeeeeeeeeeeeaeeeeeeeeeeteseneieeneneres 7 Figure 3 2500C 8 TC Default Configuration Table eeccccseeeeeeeeeeeeeeeeneeeeeeeeeeeeeeennaeeeeeeees 8 Figure 4 2500C 8 TC Classic Plus Login Table ceeeccscccceeeeeeeeeeeseneceeeeeeeeetessnsaeaeeeeeees 8 Figure 5 2500C 8 TC Classic Plus Conf
22. eeeeeteeeeeeeneeees 12 1 11 Error Code Values Reported to the PLC cccecceseeeeeeeeeeteeeeeeeteeeeneeees 15 1 12 Module Setup from the PLC in Classic Plus Mode cceeeeeeeees 16 CHAPTER 2 INSTALLATION amp SETUP cccccssececesseeeeeessseeeeeenseeeeenseeeeeseeneees 17 2 1 Installation Plan iMG ts icestoeved scdeete Hebe cetsdietes deteeers teste ce bien ieniaen 17 2 1 1 Safety Considerations cccececceceeceeeeeeeeeceeseeseeeeeseeseeseeseeseeseeseeeaes 17 2 1 2 Electrical Interference eeeeeseeseeseeseeeeceeeeeceeceeceeceeceeeteeseeseeaes 18 QMS GrOUNGING sit eke Re eRERR ERE R Ee EREET 18 2 2 2500C 8 TC Board Layout cccceccecceeseeceeeeeeeceeeeeeaeeaeseseeeeaesaeseeteaeeates 19 2 2 1 Defining Operation Mode and Range Selections ceee 20 2 2 2 Power REqUIreMent eececeeeceeseeeceeeeeeeeeaeeeeeeeeeaeeeeeeeseaeteneeeteas 20 2 3 Unpacking the Module 3 ict cicveces sccseces eak aa A 20 2 4 Configuring the MOUIe ccccecceceeseeeeceeceeeeeecaeceeeeaeeaesaeseeeeaeeaesaeseeeeaeeas 20 2 4 1 Operation Mode Jumpers Selecting Operation Mode 21 2 4 2 Selecting millivolt or Thermocouple Types for Each Channel 22 2 4 3 Factory Default Settings ceeeeeeseseeeeeeeeseeceeceeceeseeseeseseeseeeeeees 22 2 5 PhysiGalsl MStallatiOnctss cs ctcet etoesettecteseteescvsgstetteet T de sdest tenders 23 2 6 Connecting Field Wing wai ccticeiecedeseracteeees chsecdao
23. esolution Table 2500C 8 TC Installation and Operation Guide 1 7 Accuracy The module measurement accuracy is listed below for each Thermocouple Type and millivolt signals 1 C from 0 C to 60 C 1 C from 0 C to 60 C 1 C from 0 C to 60 C Accuracy J K T E 1 C from 0 C to 60 C R S Thermocouple Types and mV 2 C from 0 C to 60 C 2 C from 0 C to 60 C N 1 C from 0 C to 60 C mV 0 5 full scale or 500uV reduced accuracy for measurements below 500 C Figure 8 2500C 8 TC Accuracy Rating Table 1 8 Digital Word map Thermocouple and or millivolt signals are translated into a 15 bit plus sign digital word Since the PLC requires a 16 bit input word the 15 bit value from the converter is placed into a 16 bit word for transmittal to the PLC the extra bit being used to show the sign of the value The data is reported to the PLC in the format shown below Sign bit 16 384 8192 4096 2048 1024 512 256 128 64 32 16 8 4 2 1 Figure 9 2500C 8 TC Digital Word Map Diagram In addition to applying a basic scale of 0 32000 the module provides a over range error value of 32765 or under range error value of 32766 10 2500C 8 TC Installation and Operation Guide 1 9 Thermocouple Input to Digital Conversion 1 9 1 Engineering Units When module SCALING is disabled data is reported as engineering units to the PLC as fo
24. happen See section 1 12 Module Setup from the PLC in Classic Plus Mode 20 2500C 8 TC Installation and Operation Guide 2 4 1 Operation Mode Jumpers Selecting Operation Mode The module operational mode is selecting using the jumper at JP11 For Classic mode the jumper should be installed at the C position For Classic Plus mode it should be installed at the CP position The module ships from the factory set for Classic mode operation SY gouge p BILLIE wll T NTT Figure 24 2500C 8 TC Operation Mode Jumpers Picture NOTE JP1 is used for factory test purposes and should not be populated If your module has a jumper at JP1 PROGRAM position please remove before inserting the module 2500C 8 TC Installation and Operation Guide 21 2 4 2 Selecting millivolt or Thermocouple Types for Each Channel Millivolt or Thermocouple Type is set for each channel using the set of jumpers located on the printed circuit board refer to Figure 23 2500C 8 TC Board Layout Picture for the jumper locations The module ships with the jumpers in Type J K N MV position For Type R S T and E Thermocouples place the jumper in the position shown in the table below Note Each Channel must be configured for the desired range Jumper Thermocouple mVolt Position Type Selection E E J K N MV J K N 0 55mV R S T R S T Figure 25 2500C 8 TC Jumper Signal Selection Table Figur
25. ieenctseccsss 6 1 1 IPO CUCHON sisesatceteceesexeecanecntneecaceeesvatenas cxesce envatenteretnestuadbheade venieeesexedaeannatenens 6 1 2 Front Panel Descriptio 0 0 2 0 ccecceecceecceecceeceeeceeeceeeeeneceneaeneaeeeaeneaeteaeteaeteaetes 6 1 2 1 Status Display ecceccecceccecceceeeeeeeeeeeeeeeceeceeseeeeeeeeeneseeseeseeseeseeseesees 7 1 2 2 VO Wiring COMME CHM eeeeeeeeeeeeeceeeeeeeeeeseeceeeeseeseeteseeseeseeteeteees 7 1 3 Asynchronous Operation ecceeccecceeceeeeeceeeeeeaeeaeeaeseeeeaesaeseseeesaeeaeseeeeaeeaee 7 1 4 Modes of OperatiO Msiende aain 7 1 4 1 Classic Mode ceccecceceecceeceeeeeceeceeceeceeceeceeeceeeceseeeeseeseeseeseesees 8 1 4 2 Classic Plus Mode c csccnisieicinee ced is 8 1 5 Input Signal RANGES cccccecceseeseceeceeeeseeeecaeseeeeaesaesaeseeesaesaeseeeaeeaesaeseeeeaeeats 9 1 6 Measurement Resolution 0 ee eeeeeseeeeeeeeeeeeeeeeeeeeeeeeeeeeeaeeeaeeeaeeeeeeeeeteeeeeaees 9 1 7 PCCULACY oa fads enti les veal antes each tas ent cate des enti pes catipden envie ae catiedeeeeagene engine 10 1 8 Digital Word Mapes kis ck ei ena ie illo 10 1 9 Thermocouple Input to Digital Conversion ce ceseeeeeeteeeeeeeeeeeeneeees 11 1 9 1 Engineering Units ceeccececsceseecseeeseeeeesseeeseneeesseeesanecesseeesaesees 11 1 9 2 Scale UN its eee cee cee cee eeeeeeseececeeceseseeseseseeseeseeseeseeseeseess 11 1 10 Effect of Out of Range Input Signals 0 eccecceeceeteeeeeeeee
26. iguration Options 0 0 0 0 ccceeceeeseeeeeeeeeeeeeeeeenneeeeeeees 9 Figure 6 2500C 8 TC Thermocouple Measurement Ranges eeeeeeeeeeeeeeeeeeeeeeeenneeeeeeees 9 Figure 7 2500C 8 TC Thermocouple Measurement Resolution Table ceeeseeeeeees 9 Figure 8 2500C 8 TC Accuracy Rating Table ccccccccecccicecenneeeeeeeeeeeeeeenneeeeeeeereneneneaaees 10 Figure 9 2500C 8 TC Digital Word Map Diagram cccceeeeeneee eter ee eeeeeneeeeeeeeeeeeeeeeeaaees 10 Figure 10 2500C 8 TC Example of Change in Input Level cceeeeeeeseeeeeeeeeeeeeeteeeeneees 11 Figure 11 2500C 8 TC Example of Change in Input Level cceeeeceeceeeeeeeeeeeeeeeeeeneees 12 Figure 12 2500C 8 TC Effect of Voltage Input on Type J Thermocouple eeeees 12 Figure 13 2500C 8 TC Effect of Voltage Input on Type J Thermocouple eee 13 Figure 14 2500C 8 TC Effect of Voltage Input on Type T Thermocouple ce 13 Figure 15 2500C 8 TC Effect of Voltage Input on Type E Thermocouple 0 13 Figure 16 2500C 8 TC Effect of Voltage Input on Type R Thermocouple 00 13 Figure 17 2500C 8 TC Effect of Voltage Input on Type S Thermocouple e 14 Figure 18 2500C 8 TC Effect of Voltage Input on Type N Thermocouple 0 14 Figure 19 2500C 8 TC Effect of Voltage Input on MV INPUt eee eeeteeeeeeeeeeeteeeeeaeees 14 Figure 20 2500C 8 TC Error Code Table
27. input addresses Read O configuration Return the module to CTI for calibration Select SCALE format Divide value by 10 in PLC Verify channel configuration word 28 2500C 8 TC Installation and Operation Guide 2500C 8 TC Installation and Operation Guide 29 Appendix A Digital Filtering Time Constant Thermocouple Measurement Ranges Accuracy Thermocouple Types and mV Open Thermocouple Detection mV input impedance Repeatability D D a E oO 3 D Resolution Data Presentation w scaling enabled Data Presentation w scaling disabled Common Mode Rejection Normal Mode Rejection Backplane Power MAX Input ESD Protection Operating Temperature Range Agency Approvals Pending Shipping Dimensions and Weight Storage Temperature Range Relative Humidity 2500C 8 TC Installation and Operation Guide Input Sp Operation Mode Support See Note 1 Classic Mode Classic Plus Mode Module Logon Module Update Time all modes Module Specifications cifications 8WX 8WX 8WY 9mS 80mS 80mS J 210 C to 760 C 350 F to 1400 F K 270 C to 1372 C 450 F to 2500 F T 270 C to 400 C 454 F to 752 F E 270 C to 1000 C 454 F to 1832 F R 0 C to 1768 C 32 F to 3214 F S 0 C to 1768 C 32 F to 3214 F N 260 C to 1300 C 436 F to 2372 F mV 55 to 55mV J 1 C from 0 C to 60 C K 1 C from 0 C to 60 C T 1 C from
28. llows Thermocouple Mode digital word WX Degrees x 10 Millivolt Mode digital word WX 10 000 to 10 000 As an example the following Figure 1 3 illustrates the effects of a change in input level going from 0 to 102 4 F in the Thermocouple Input Mode Example 1 0 0 F Digital Word WX 10 MSB LSB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ojojojojojojojoj ojojojojojojojo A 32 16 8 4 2 1 Example 2 102 4 F Digital Word WX 10 MSB LSB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ojojojojojijojojojojojojojojojo a 1024 82 16 8 4 2 1 Figure 10 2500C 8 TC Example of Change in Input Level 1 9 2 Scale Units When data format is selected as SCALING enabled the full temperature range of the thermocouple is scaled as an unsigned integer from 0 to 32000 for thermocouple units or 32 000 to 32 000 for mV units range of 55mV The following formulas may be used to calculate the scaled integer value for temperature and mV Temperature Scaled Integer measured temp min temp max temp min temp x 32000 example the scaled integer offset at 0 C for a Type J thermocouple is Scaled integer 0 210 760 210 x 32000 6928 example the scaled integer overrange at 770 C for a Type J thermocouple is Scaled integer 770 210 760 210 x 32000 32330 mV Scaled Integer
29. mV x 32 000 55 example the scaled integer offset at 20 mV is Scaled Integer 20 x 32 000 55 11636 36 2500C 8 TC Installation and Operation Guide 11 The table below shows the scaling temperature ranges of each probe type Temperature Range Probe Type C oF J 210 to 760 346 to 1400 K 220 to 1320 364 to 2408 T 230 to 400 382 to 752 E 240 to 700 400 to 1292 R 0 to 1768 32 to 3214 S 0 to 1768 32 to 3214 N 200 to 1300 328 to 2372 Figure 11 2500C 8 TC Example of Change in Input Level 1 10 Effect of Out of Range Input Signals The 2559 TC utilizes the underrange and overrange codes of 32766 and 32765 respectively to indicate when a channel has reached individual limits Thermocouple inputs exceeding the ANSI standard for the different types of thermocouples listed on the following pages in Figures 1 4 1 11 will cause the overrange value 32765 to be displayed and the maximum temperature for that thermocouple type to be returned Open thermocouples report temperatures that are out of the allowable range This condition may occur due to failure of the thermocouple or due to the thermocouple wire being cut or disconnected The 2559 TC will report an open thermocouple condition within 200 milliseconds NOTE The 2559 TC uses the overrange error code 32765 to indicate an open thermocouple An open thermocouple condition will report within 200 milliseconds Type J
30. ndent of the programmable controller Where the operator is exposed to the machinery such as in loading or unloading a machine tool or where the machine cycles automatically consideration should be given to the use of an electromechanical override or other redundant means independent of the programmable controller for starting and interrupting the cycle If provision is required for changing programs while the equipment is in operation consideration should be given to the use of locks or other means of assuring that such changes can be made only by authorized personnel These recommendations are 2500C 8 TC Installation and Operation Guide 17 intended as safeguards against the failure of critical components and the effects of such failures or the inadvertent errors that might be introduced if programs are changed while the equipment is in operation Operator Safety Switches Power should be configured so that it can be manually removed from all output devices You must provide a method that is independent of the control system for disconnecting power from the outputs when a machine is not operating or the operator must reach into the machine A non electronic switch or directly wired relay must be used to disconnect the power Emergency Stop Switch You must provide a method for disconnecting power from the outputs if an emergency situation is encountered with the machine operation Use a non electronic switch or relay that is wired external t
31. nfiguration Figure 4 2500C 8 TC Classic Plus Login Table In Classic Plus mode the PLC can select range operation from any of the following by setting the appropriate bits in the corresponding WY word for each channel In addition the PLC can enable or disable digital filtering Scaling enable or disable Degrees C or Degrees F for each channel 8 2500C 8 TC Installation and Operation Guide Thermocouple mVolt J K N R 0 55mV S T E Note S T E also require a jumper selection change from the shipped jumper configuration per channel Figure 5 2500C 8 TC Classic Plus Configuration Options 1 5 Input Signal Ranges Thermocouple Measurement Ranges J 210 C to 760 C 350 F to 1400 F K 270 C to 1372 C 450 F to 2500 F T 270 C to 400 C 454 F to 752 F E 270 C to 1000 C 454 F to 1832 F R 0 C to 1768 C 32 F to 3214 F S 0 C to 1768 C 32 F to 3214 F N 260 C to 1300 C 436 F to 2372 F mV 55 to 55mV Figure 6 2500C 8 TC Thermocouple Measurement Ranges 1 6 Measurement Resolution The module has a resolution of approximately 0 1 C 0 1 F or exactly 01 millivolts The chart below shows the corresponding input resolution per step for each of the input configuration modes Units Input Resolution Step Temp C 0 05 C Temp F 0 09 F Millivolts 0 0017 millivolts Figure 7 2500C 8 TC Thermocouple Measurement R
32. nput BWX module Temperature values for each channel are reported to the PLC in the corresponding input word In Classic mode the module accepts Type J Thermocouple range To operate the module in other ranges you must change to Classic Plus mode 1 4 1 1 Classic Mode Module Default Configuration The 2500C 8 TC ships in a default configuration which matches a common set of application requirements Classic Mode a Offset Scaling Disabled Figure 3 2500C 8 TC Default Configuration Table 1 4 2 Classic Plus Mode In Classic Plus mode or High Density operation the 2500 8 TC operates logs in to the PLC as an 8 word input 8 word output BWX 8WY module Thermocouple or millivolt signal values for each channel are reported to the PLC in the corresponding input word The WY output words are used to allow the PLC to select the input signal range for the module For example if the module is in Classic Plus mode and is logged in at address 1 WX1 Channel 1 TC mV Input WY9 Channel 1 Configuration WX2 Channel 2 TC mV Input t WY10 Channel 2 Configuration WX3 Channel 3 TC mV Input WY11 Channel 3 Configuration WX4 Channel 4 TC mV Input WY12 Channel 4 Configuration WX5 Channel 5 TC mV Input WY13 Channel 5 Configuration WX6 Channel 6 TC mV Input WY14 Channel 6 Configuration WX7 Channel 7 TC mV Input WY15 Channel 7 Configuration WX8 Channel 8 TC mV Input WY16 Channel 8 Co
33. o the controller and that is easily accessible 2 1 2 Electrical Interference Electrical interference can adversely affect the operation of control equipment The major sources of electrical interference in an industrial environment are devices that use high voltages and current such as motors and welders Electrical interference can be conducted directly through wiring or inducted via electromagnetic coupling To ensure a reliable control system you will need to determine the source of the electrical interference and employ suitable techniques to eliminate it 2 1 3 Grounding It is very important that the all equipment is properly grounded Lack of proper grounding may cause intermittent or erratic operation or may cause the control system to fail A properly installed grounding system will provide a low impedance path to earth ground which will give all PLC internal filtering devices a good ground return for reference The earth ground of the building site typically provides reliable grounding however if excessive ground current is present a separate grounding electrode should be installed A common practice is to provide a central ground bus bar as a single point of reference within each enclosure connecting all chassis and power supply components to the bus bar The bus bar is then connected to earth ground When connecting to the bus bar use 1 inch copper braid or No 8 AWG wire To ensure good connections scrape paint or other non
34. of Liability TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW CTI WILL NOT BE LIABLE FOR ANY BUSINESS INTERRUPTION OR LOSS OF PROFIT REVENUE MATERIALS ANTICIPATED SAVINGS DATA CONTRACT GOODWILL OR THE LIKE WHETHER DIRECT OR INDIRECT IN NATURE OR FOR ANY OTHER FORM OF INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND CTI S MAXIMUM CUMULATIVE LIABILITY RELATIVE TO ALL OTHER CLAIMS AND LIABILITIES INCLUDING OBLIGATIONS UNDER ANY INDEMNITY WHETHER OR NOT INSURED WILL NOT EXCEED THE COST OF THE PRODUCT S GIVING RISE TO THE CLAIM OR LIABILITY CTI DISCLAIMS ALL LIABILITY 2500C 8 TC Installation and Operation Guide 33 RELATIVE TO GRATUITOUS INFORMATION OR ASSISTANCE PROVIDED BY BUT NOT REQUIRED OF CTI HEREUNDER ANY ACTION AGAINST CTI MUST BE BROUGHT WITHIN EIGHTEEN 18 MONTHS AFTER THE CAUSE OF ACTION ACCRUES THESE DISCLAIMERS AND LIMITATIONS OF LIABILITY WILL APPLY REGARDLESS OF ANY OTHER CONTRARY PROVISION HEREOF AND REGARDLESS OF THE FORM OF ACTION WHETHER IN CONTRACT TORT INCLUDING NEGLIGENCE AND STRICT LIABILITY OR OTHERWISE AND FURTHER WILL EXTEND TO THE BENEFIT OF CTI S VENDORS APPOINTED DISTRIBUTORS AND OTHER AUTHORIZED RESELLERS AS THIRD PARTY BENEFICIARIES EACH PROVISION HEREOF WHICH PROVIDES FOR A LIMITATION OF LIABILITY DISCLAIMER OF WARRANTY OR CONDITION OR EXCLUSION OF DAMAGES IS SEVERABLE AND INDEPENDENT OF ANY OTHER PROVISION AND IS TO BE ENFORCED AS SUCH 7 Adequate Remedy The customer is limited to the
35. oid CJC calibration the 2500C 8 TC utilizes a modified front panel connector which has two temperature sensors directly set into the connector These two temperature sensors are encapsulated in connector locations B1 and B2 and B15 and B16 and are not user serviceable NOTE If either of the two temperature sensors fail an error code of 32 761 will be reported to the PLC and the module front panel LED will display the error code of F the modified connector needs replacing In the unlikely event this occurs contact CTI for replacement connector part number 2500C 32F CJC for your replacement front panel connector 2 6 2 Connecting Thermocouple Input Wiring For thermocouple input circuits connect the thermocouple wires to the screw terminals as indicated in Figure 30 2500C 8 TC Wiring Connector Diagram Insert the wires in the appropriate wiring connections on the front of the connector When the wires are inserted tighten the screws Repeat this procedure for the all thermocouple input channels Ensure that the proper wire polarity is followed for each of the seven supported thermocouple probe types as shown in Figure 33 2500C 8 TC Thermocouple Type and Wire Descriptions See also Appendix C for more detailed information on different thermocouple types CHX T j FX a ye O CHX t i 2 wire ssmvto ssmv 4 thermocouple an Z nd aa ji uy 2 LZ J 1of6 SHIELD CHASSIS GNDS S
36. or part to the customer The foregoing will be the exclusive remedies for any breach of warranty or breach of contract arising therefrom 3 General This warranty is only available if a the customer provides CTI with written notice of a warranty claim within the warranty period set forth above in Section 1 and b CTI s examination of the Product or the parts thereof discloses that any alleged defect has not been caused by a failure to provide a suitable environment as specified in the CTI Standard Environmental Specification and applicable Product specifications or damage caused by accident disaster acts of God neglect abuse misuse transportation alterations attachments accessories supplies non CTI parts non CTI repairs or activities or to any damage whose proximate cause was utilities or utility like services or faulty installation or maintenance done by someone other than CTI 4 Product Improvement CTI reserves the right to make changes to the Product in order to improve reliability function or design in the pursuit of providing the best possible products 5 Exclusive Warranty THE WARRANTIES SET FORTH HEREIN ARE CUSTOMER S EXCLUSIVE WARRANTIES CTI HEREBY DISCLAIMS ALL OTHER WARRANTIES EXPRESS OR IMPLIED WITHOUT LIMITING THE FOREGOING CTI SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE NON INFRINGEMENT COURSE OF DEALING AND USAGE OF TRADE 6 Disclaimer and Limitation
37. s during operation NOTE In the event the 2500C 8 TC detects an onboard module failure the module will assert the module fail line and report the module failure in the I O Status Word which is reported to the PLC CPU CTI strongly recommends the user application monitor the I O Module Status Words which are Status Words 11 26 The I O Module Status Word can be used to report a module failure for an I O Module in any of the 2500C I O slots If a module failure is reported by the status word the module should be replaced with a working unit and the failed module sent in for repair 2500C 8 TC Installation and Operation Guide 27 CHAPTER 3 Troubleshooting If the module provides improper readings or the status indicator is not on use the following chart to determine the appropriate corrective action See Figure 34 2500C 8 TC LED Error Code Table for additional diagnostic information Symptom Indicator is not lit Incorrect inputs Input does not work with PID loop or analog alarm block Value is too large Incorrect values to PLC values off by 10 15 degrees Probable Cause Base or PLC power is off Wrong addresses for word input Not logged in Calibration Error Value is not reported as integer 0 32 000 Temperature is reported to PLC as value x10 Incorrect configuration Wrong thermocouple type selected by jumpers Corrective Action Turn base or PLC on Check program for correct work
38. the I O connector to the module Ensure the replacement module is operating properly Remove the field devices from safe state oY Sots OND 2500C 8 TC Installation and Operation Guide 23 2 6 Connecting Field Wiring Field wiring is connected to the 2500C 8 TC as shown in the connector wiring diagram below NOTE For millivolt inputs you may wire to the TC and the TC connections or use the COM connections to reduce wiring The GND connection is provided for the shield See 2 6 1 Understanding the Modified Front Panel Connector for a more detailed explanation of the built CUC references TC CH1 TC CH1 TC CH2 TC CH2 TC CH3 TC CH3 TC CH4 TC CH4 TC CH5 TC CH5 TC CH6 TC CH6 TC CH7 TC CH7 TC CH8 TC CH8 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A7 JAS A15 as Ag A10_ Att JA12 A13 A14 A15 w ee pJ O B5 B6 B7 B8 Bo B10 Bit Biz B1 B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 CJC CJC Not Used GND rmh Not Used GND mh Not Used GND m Not Used GND mh Not Used GND rh Not Used GND m CJC CJC 2500C 8 TC Wiring Connection Diagram Figure 30 2500C 8 TC Wiring Connector Diagram 24 2500C 8 TC Installation and Operation Guide 2 6 1 Understanding the Modified Front Panel Connector In order to provide the most accurate cold junction compensation and to av
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