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1794-UM012 - Rockwell Automation

1. troubleshoot the module Appendix A Specifications i Overview This appendix contains general and environmental specifications and certifications for the FLEX I O Thermocouple RTD mV Input Modules General Specifications Attribute Value Number of inputs 8 channels 2 groups of 4 Module location Cat Nos 1794 TB3G 1794 TB3GS 1794 TB3GK Terminal base units Nominal input voltage 40 100 mV DC for thermocouples ranges 0 325 mV for RTDs mV default Supported Type Range C Range F thermocouple types B 300 1800 C 572 3272 F E 270 1000 C 454 1832 F J 210 1200 C 346 2192 F K 270 1372 C 454 2502 F TXK XK L 200 800 C 328 1472 F N 270 1300 C 454 2372 F R 50 1768 C 58 3214 F S 50 1768 C 58 3214 F il 270 400 C 454 752 F Supported RTD types Resistance 100 QPt 0 00385 Euro 200 870 C 328 1598 F 200 QPt 0 00385 Euro 200 400 C 328 752 F 100 QPt 0 003916 U S 200 630 C 328 1166 F 100 QPt 0 003916 U S 200 400 C 328 752 F 100 Q Nickel 60 250 C 76 482 F 200 Q Nickel 60 200 C 76 362 F 120 Q Nickel 80 320 C 112 608 F 10 Q Copper 200 260 C 328 470 F Resolution 14 hits Accuracy vs filter cutoff 0 05 of full range in millivolt mode with filtering select
2. Publication 1794 6 5 12 September 2011 100 ohm Pt 385 200 ohm Pt 385 100 ohm Pt 3916 200 ohm Pt 3916 100 ohm Ni 618 200 ohm Ni 618 120 ohm Ni 672 10 ohm Cu 427 Sensor Types on page 29 Configuration Parameters Field Name Sensor Mode Description Allows you to select the operational mode for the thermocouple or RTD inputs For thermocouple inputs you can choose the cold junction compensation mode For RTD inputs you can choose 2 wire 2 wire with user selected RTD offset 3 wire and 4 wire Default for thermocouples is external compensation default for RTDs is 2 wire with no offsets Configure Your FLEX 1 0 Module with RSLogix 5000 Software 25 Configuration Options For Thermocouple External compensation Internal compensation No compensation Differential compensation For a description of the different sensor mode options for both Thermocouple and RTD see Bit Word Descriptions for Block Transfer Write Words on page 34 For RTD 2 wire compensation default 2 wire with Loop compensation 3 wire 4 wire When you select Internal Compensation for your Thermocouple you need to specify a corresponding Reference Junction value This parameter sets a fixed reference junction to compensate all thermocouple channels and ranges from 0 C 70 C When you select 2 wire with Loop compensation for your RTD you need to specify values for each channel for the RTD Loop C
3. Inputs can be calibrated one at a time or all at once To calibrate the offsets proceed as follows 1 Apply power to the module for 20 minutes before calibrating 2 Connect a precision millivolt source across each input channel Set the source to 320 00 mV for a gain of 1 Connect all L signal terminals together and attach to the positive lead from the precision voltage source Connect all signal terminals together and attach to the negative lead EDT Commands for Offset Calibration All Channels Single Channel EDT EDT Command EDT Command Command Data Dec or Hex Dec or Hex Gain Input mV Hex Decimal Bits 8 15 Bits Bits Selected 4 7 0 3 1 320 00 0 064 mV 2410 9232 05 0 7 0 2 0 000 0 032 mV 2411 9233 05 0 7 1 4 50 00 0 016 mV 2412 9234 05 0 7 2 Publication 1794 6 5 12 September 2011 46 Calibrate Your Module Publication 1794 6 5 12 September 2011 EDT Commands for Offset Calibration All Channels Single Channel EDT EDT Command EDT Command Command Data Dec or Hex Dec or Hex Gain Selected 4 8 Bits 8 15 Bits Bits 0 3 Input mV Hex Decimal 10 00 0 008 mV 2413 9235 05 16 32 SPN NN 0 9 00 0 004 mV 2414 9236 05 0 0 3 4 1 000 0 002 mV 2415 9237 05 5 Initiate a write to the module with the appropriate value in the EDT command location write w
4. 06 RTD Offset Select Bits channel 3 09 08 RTD Offset Select Bits channel 4 11 10 RTD Offset Select Bits channel 5 13 12 RTD Offset Select Bits channel 6 15 14 RTD Offset Select Bits channel 7 0 0 Use channel loop compensation value stored during calibration procedure for 2 wire RTD default 0 Q 0 1 5Q total lead resistance 1 0 10 Q total lead resistance 1 11 150 Publication 1794 6 5 12 September 2011 38 Read and Write Configuration Maps for the FLEX 1 0 Module Bit Word Descriptions for Block Transfer Write Words Word Dec Bits Description Octal Bits Write Word 3 00 07 Extended data table data bits These bits are written to the module during calibration They are used to define offset gain and general channel calibration 08 14 Extended data table command hits These bits are written to themodule during calibration They 10 16 are used to select channel calibration action 15 17 Reserved for factory use only Using Series A To employ Series A functionality when using a Series B 1794 IRT8 module Functionality in a Series B Module Chapter Summary B Publication 1794 6 5 12 September 2011 connect a wire from terminal 39 to terminal 48 on the 1794 TB3G or 1794 TB3GS terminal base unit When terminals 39 and 48 are wired together bit 4 in read word 9 will not be set 0 indicating the module is in Series A functionality
5. 10V m with 1 kHz sine wave 80 AM from 80 2000 MHz 10V m with 200 Hz 50 Pulse 100 AM at 900 MHz 10V m with 200 Hz 50 Pulse 100 AM at 1890 MHz 3V m with 1 kHz sine wave 80 AM from 2000 2700 MHz EFT B immunity IEC 61000 4 4 2 kV at 5 kHz on power ports 2 kV at 5 kHz on shielded signal ports Surge transient IEC 61000 4 5 immunity 2 kV line earth CM on shielded signal ports Conducted RF immunity IEC 61000 4 6 thi Certifications Certification when product is marked c UL us 10V rms with 1 kHz sine wave 80 AM from 150 kHz 80 MHz on shielded signal ports comply with the CE Low Voltage Directive LVD all connections to s equipment must be powered from a source compliant with the following Safety Extra Low Voltage SELV or Protected Extra Low Voltage PELV Value UL Listed Industrial Control Equipment certified for US and Canada See UL File E65584 UL Listed for Class Division 2 Group A B C D Hazardous Locations certified for U S and Canada See UL File E194810 CE European Union 2004 108 EC EMC Directive compliant with EN 61326 1 Meas Control Lab Industrial Requirements EN 61000 6 2 Industrial Immunity EN 61000 6 4 Industrial Emissions EN 61131 2 Programmable Controllers Clause 8 Zone A amp B C Tick Australian Radiocommunications Act compliant with AS NZS CISPR 11 Industrial Emissions Ex European Union 94 9 EC ATEX Directive compl
6. 34 diagnostic 33 52 EDT 34 EDT command 38 EDT data 38 fault alarm 33 52 fault mode 34 input type 37 input types 28 overrange alarm 32 reference junction 28 sensor mode 28 35 37 sensor type 28 36 underrange alarm 32 Index block transfer read BTR 31 52 59 60 61 62 block transfer write BTW 30 31 40 59 60 61 62 C calibration CJC 44 cold junction 43 48 49 current source 47 EDT command 44 45 environment 39 equipment 39 gain 44 46 general 44 manual 40 offset 44 45 46 periodic 39 power supply 40 45 preparation 40 procedure 39 read words 42 setup 41 temperature 39 40 tools 39 40 types of 39 using resistors 41 write words 42 cap plug 15 CE Low Voltage Directive 56 certification CE 56 C Tick 56 c UL us 56 European Zone 2 71 chassis 7 16 18 42 CJC disconnecting 18 19 fault 52 sensors 36 37 alarm bit 8 cold junction calibration 49 compensation 18 25 28 43 compensators 2 17 commands EDT 44 common mode 8 communication module and adapter 3 CompactLogix 21 compensation 2 wire 25 2 wire with Loop 25 Publication 1794 6 5 12 September 2011 68 Index channel loop 29 CJC 30 differential 25 external 25 36 37 internal 25 36 37 conductors 55 configuration data format selection 28 fault mode 29 input filter 27 input range 27 input types 28 options 27 parameters 24 reference junction 28 RTD offset 29 sensor mode 28 sensor type 28 connecting wiring 41 connector c
7. Bits 06 07 Input Type Select Bit 07 06 Input type selection for channels 0 3 0 0 Thermocouple 0 1 RID 1 0 Not used 1 1 Not used Bits 08 11 Sensor Type Thermocouple or RTD 10 13 RTD Type Bit 11 10 109 08 Sensor type for channels 4 7 0 10 0 0 Resistance default 0 0 JO 1 100 Q Pt o 0 00385 Euro 200 870 C 328 1598 F 0 0 1 0 200 Q Pt 0 00385 Euro 200 400 C 328 752 F 0 0 1 1 100 Q Pt o 0 003916 U S 200 630 C 328 1166 F 0 1 0 0 200 Q Pt 0 003916 U S 200 400 C 328 752 F 0 1 10 1 100 Q Nickel 60 250 C 76 482 F 0 1 41 0 200 Q Nickel 60 200 C 76 362 F 0 1 41 41 120 Q Nickel 80 320 C 112 608 F 1 10 10 0 10 Q Copper 200 260 C 328 470 F 1001 1111 not used Bits 08 11 Thermocouple Type 10 13 Bit 11 10 109 08 Sensor type for channels 4 7 0 10 10 0 mV default 0 0 JO 1 B 300 1800 C 572 3272 F 0 0 1 0 E 270 1000 C 454 1832 F 0 0 1 1 J 210 1200 C 346 2192 F 0 1 0 0 K 270 1372 C 454 2502 F 0 1 10 1 TXK XK L 200 800 C 328 1472 F 0 1 1 0 N 270 1300 C 450 2372 F 0 1 1 1 R 50 1768 C 58 3214 F 1 10 10 0 S 50 1768 C 58 3214 F B Publication 1794 6 5 12 September 2011 Read and Write Configuration Maps for the FLEX 1 0 Module 37 Bit Word D
8. Changes throughout this revision are marked by change bars as shown to the right of this paragraph This table contains the changes made to this revision Changes Page Addition of two catalogs 1794 IRT8K and 1794 IRT8XT 1 53 The following sections have been added to Chapter 1 Overview of FLEXI O 1 and Your Thermocouple RTD and Millivolt Input Module e he FLEX System e Types of Modules e What the FLEX 1 0 Input Module Does e The FLEX 1 0 Module in a Logix Control System The following section has been added to Chapter 2 Install Your FLEX 1 0 Input 8 Module e Series A and Series B The following new topics have been added e Configure Your FLEX 1 0 Module with RSLogix 5000 Software 21 Chapter 3 e Troubleshoot the Module Chapter 6 51 e Electronic Data Sheet EDS Files Appendix B 57 The following topic previously Chapter 3 in the last revision has been relegated to the Appendices section e Program Your Thermocouple RTD Input Module Appendix C 59 Additional less significant changes such as improvement of drawings have been made throughout the document Publication 1794 6 5 12 September 2011 iv Summary of Changes i Notes Publication 1794 6 5 12 September 2011 Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Install Your FLEX 1 0 Input Module Configure Your FLEX 1 0 Module with RSLogix 5000 Software Read and Write Configuratio
9. Decimal 15 114 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Octal 17 16 15 114 13 12 11 10 07 06 05 04 03 02 01 00 Word Write 0 Reserved Data Format Ht Ht Reference Junction Filter Select Mode Mode Ch Ch 0 3 4 7 1 TC RTD Sensor Sensor Type Ch 4 7 TC RTD Ch Sensor Mode Sensor Type Ch 0 3 Ch 4 7 Mode 0 3 Ch 0 3 Ch 4 7 2 RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset Ch7 Ch 6 Ch 5 Ch 4 Ch 3 Ch 2 Ch 1 Ch 0 3 EDT command EDT command data Where Fit Fault TC RTD Thermocouple Resistance Temperature Detector EDT Extended Data Transfer Read Words for Calibration Decimal 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Octal 17 16 15 114 13 12 11 10 07 06 05 04 03 02 01 00 Word Read 0 Channel 0 Input Data 1 Channel 1 Input Data 2 Channel 2 Input Data 3 Channel 3 Input Data 4 Channel 4 Input Data Publication 1794 6 5 12 September 2011 Read Words for Calibration Calibrate Your Module 43 CJC Cold Junction Compensation SAB Series of unit 0 Series A 1 Series B ATTENTION A Decimal 15 14 J13 12 11 1 0 o 08 o Joe o Jo Jos Joz To o Octal 17 16 115 14 13 12 11 10 07 06 05 04 03 02 01 00 Word Read 5 Channel 5 Input Data 6 Channel 6 Input Data 7 Channel 7 Input Data 8 Overrange Alarm Bits channe
10. below 4 Download the configuration to the controller Add and Configure the To be able to add your FLEX I O Thermocouple RTD mV en you should have already added and configured your Ethernet bridge and or FLEX 1 0 Module 2 Publication 1794 6 5 12 September 2011 22 Configure Your FLEX 1 0 Module with RSLogix 5000 Software 1 In the I O Configuration tree right click the 1794 AENT adapter and select New Module Right click the local adapter module Trends 1 0 Corfiguration 1755 Backplane 1756 A4 fa 0 1756 L55 ForScreenshots B 12 1756 ENBTIA LocalEthernetMadule 2 Ethernet 4 AENT A RemoteEthernetModule Select New Module Ej New vidue 8 1755 ENBT A LocaEthernetModule amp Cut Ctri X Ea Copy Ctr C e Delete Del Cross Reference CtrhE Properties Alt Enter 2 The Select Module dialog appears Select the FLEX I O module and click OK Select Module Descipton 1784 OV18P JA 16 Pcint 24V DC Protected Output Sink 1794 OW8 A 8 Point Relay Output Sirk Source 1794 VHSC A Very High Speed Courter 1797 IEN16 A 16 Point NAMUR 8 DC Input Counter 1797 IE8 A 8 Channel Analog Input 1797 IESH A 8 Channel Analog Input HART 1797 IEBNF A 8 Channel Analog Input Noise Filter 1797 122 A 2 Input Frequency Module 1797 IRTS A 8 Channel 24V DC RTD Thermecouple Analog Input 1797 O84D A 4 Point 244 DC Output Source 1797 CEB A 8 Channel Analog Cutput 1797 CE5H 4 6 Channel
11. 00 15 as shown for calibrating all channels at once For individual channel calibrations use the 04X1 hex 0401 0411 0421 0471 hex Monitor the EDT response location read word 10 bits 00 15 for an echo of the EDT command If the EDT response word reads 80FF hex repeat step 3 Make sure to allow for sufficient time for the module to respond to your request If there is no change calibration has failed Check the wiring and try again Connect a 100 Q 0 01 resistor across H and L of each input channel 8 resistors Repeat steps 3 and 4 using the EDT command value of 2402 hex for calibrating all channels at once For individual channel calibrations use the 04X2 hex 0402 0412 0422 0472 hex When all calibrations are successful proceed to the Cold Junction Calibration on page 47 Chapter Summary Calibrate Your Module 49 Cold Junction Calibration Both cold junction compensation inputs must be calibrated at at the same time To calibrate both at once proceed as follows 1 Connect 10 KQ 0 5 resistors across terminals 37 and 39 CJC 1 and terminals 46 and 48 CJC 2 2 Apply power to the module for 20 minutes before calibrating 3 Initiate a write to the module with 2404 hex value in the EDT command location word 3 bits 00 15 4 Monitor the EDT response location read word 11 bits 00 15 for an echo of the EDT command If the EDT response word reads 80FF he
12. 004 mV 2424 9252 06 0 7 4 32 19 00 0 002 mV 2425 9253 06 0 7 5 2 Apply power to the module for 20 minutes before calibrating 3 After the connections stabilize initiate a write word with the appropriate EDT command location write word 3 bits 00 15 as shown above 4 Monitor the value in the EDT response location read word 11 bits 00 15 for an echo of the EDT command Depending on which command you sent it should show 242X Hex If the EDT response word reads 80FF hex repeat step 3 Make sure to allow for sufficient time for the module to respond to your request If there is no change calibration has failed Check the wiring and try again 5 Set the precision millivolt source to the value required for a gain of 2 Repeat steps 3 and 4 for gain 2 Repeat for each gain setting When all gain calibrations are successful proceed to perform Current Source Calibration on page 47 Current Source Calibration The current sources can be calibrated one at a time or all at once To calibrate all the current sources proceed as follows 1 Connect a 383 Q 0 01 resistor across H and L of each input channel 8 resistors 2 Apply power to the module for 20 minutes before calibrating Publication 1794 6 5 12 September 2011 48 Calibrate Your Module Publication 1794 6 5 12 September 2011 3 Initiate a write to the module with 2401 hex value in EDT command location word 3 bits
13. 1 tuo vers eo VLA Cete eee ALS 60 PLC Eamily PEocessof e il daret babct eios 61 PLGC 5 250 Family Processor 21 ode rrr rico erbe det 62 Appendix D European Hazardous Location Approval 65 North American Hazardous Location Approval 66 Index Publication 1794 6 5 12 EN E September 2011 viii Table of Contents Notes Publication 1794 6 5 12 EN E September 2011 Who Should Use This Manual Purpose of the Manual About the Vocabulary Preface Read this preface to familiarize yourself with the rest of the manual It provides information concerning who should use this manual the purpose of this manual e related documentation conventions used in this manual terminology used in this manual We assume that you have previously used an Allen Bradley programmable controller that you are familiar with its features and that you are familiar with the terminology we use If not read the user manual for your processor before reading this manual This manual is a reference guide for the FLEX I O Thermocouple RTD Millivolt Input Modules It describes the procedures for installing configuring and troubleshooting your module For more information consult the following chapters Topic See Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Chapter 1 Install Your FLEX 1 0 Input Module Chapter 2 Configure Your FLEX 1 0
14. 33 and 40 45 are chassis ground Connect tail of CJC1 to terminal 5 and CJC2 to 12 if channels 0 3 or 0 7 are thermocouples Connect tail of CJC1 to terminal 22 and CJC2 to 29 only if channels 4 7 are used Install Your FLEX 1 0 Input Module 19 IMPORTANT Disconnecting and reconnecting RTDs or CJCs with power applied IMPORTANT temporarily disturbs the channel steady state data Allow 2 minutes for settling time after finishing connections IMPORTANT If using RTD isolators use 2 or 4 wire configurations only and add digital filtering to the inputs Example of 2 3 and 4 wire RTD and Thermocouple Wiring to a 1794 TB3G Terminal Base Unit Thermocouple Channel 4 1 2 2 Wire RTD Channel 1 1 2 3 Wire RTD Channel 2 1794 TB3G 45329 ATTENTION Keep exposed area of inner conductor as short as possible A Publication 1794 6 5 12 September 2011 g 20 Install Your FLEX 1 0 Input Module Example of Millivolt Wiring to a 1794 TB3G Terminal Base Unit Millivolt Source Millivolt Source Millivolt Source Millivolt 45330 Chapter Summary This chapter provided the user with installation prerequisites and instructions for the FLEX I O Input module in an exis
15. Automation Industrial Automation Glossary A glossary of industrial automation terms and abbreviations AG 7 1 Common Techniques Used The folowing conventions are used throughout this manual in this Manual Bulleted lists such as this one provide information not procedural steps Numbered lists provide sequential steps or hierarchical information Italic type is used for emphasis Publication 1794 6 5 12 September 2011 Chapter 1 Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Overview This chapter provides a description of the FLEX I O Thermocouple RTD and Millivolt Input module and an overview of how it communicates with programmable controllers Topic Page The FLEX System 1 Types of Modules 2 What the FLEX 1 0 Input Module Does 2 The FLEX 1 0 Module in a Logix Control System 3 Physical Features of Your Module 4 Chapter Summary 5 The FLEX System FLEX I O is a small modular I O system for distributed applications that performs all of the functions of rack based I O The FLEX system contains the following components shown below Adapter Terminal base 1 0 module IP LIII Z LIT 77 ELE Za LULU EMEA Allen Bradley O MODULE status NETWORK status unk status 45374 Adapter transfers read and write configuration data to and from the I O module Terminal base c
16. ControlNet Adapter Module Installation Instructions publication 1794 IN128 Information on how to install the ControlNet Adapter Modules Catalog No 1794 ACN15 1794 ACN15K 1794 ACNR15 1794 ACNR15XT Series D FLEX 1 0 DeviceNet Adapter Module Installation Instructions publication 1794 IN099 Information on how to install the FLEX 1 0 DeviceNet Adapter Modules Catalog No 1794 ADN 1794 ADNK Remote 1 0 Adapter Modules Installation Instructions publication 1794 IN098 Information on how to install the Remote 1 0 Adapter Modules Catalog No 1794 ASB 1794 ASB2 1794 ASBK 1794 ASB2K Remote O Adapter Module User Manual publication 1794 UM009 Information on how to use the Remote 1 0 Adapter Module Catalog No 1794 ASB FLEX 1 0 PROFIBUS Adapter Module Installation Instructions publication 1794 IN087 Information on how to install the FLEX 1 0 PROFIBUS Adapter Catalog No 1794 APB FLEX 1 0 PROFIBUS Adapter Module User Manual publication 1794 UM057 Information on how to use the FLEX 1 0 PROFIBUS Adapter Module Catalog No 1794 APB Flex 1 0 Digital Input Modules Installation Instructions publication 1794 IN093 Information on how to install the Flex 1 0 Digital Input Modules Catalog No 1794 1B8 1794 IB16 1794 IB16K 1794 1B32 Flex 1 0 Digital DC Sourcing Input and Sinking Output Modules Installation Instructions publication 1794 IN095 Information on how to instal
17. EN 60079 15 and EN 60079 0 WARNING Observe the following additional Zone 2 certification requirements e This equipment is not resistant to sunlight or other sources of UV radiation A e This equipment must be installed in an enclosure providing at least IP54 protection when applied in Zone 2 environments e This equipment shall be used within its specified ratings defined by Allen Bradley e Provision shall be made to prevent the rated voltage from being exceeded by transient disturbances of more than 40 when applied in Zone 2 environments e Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous Publication 1794 6 5 12 September 2011 Location Approval Safety Approvals The following information applies when operating this equipment in hazardous locations Products marked CL I DIV 2 GP A B C D are suitable for use in Class Division 2 Groups A B C D hazardous locations and nonhazardous locations only Each product is supplied with markings on the rating nameplate indicating the hazardous location temperature code When combining products within a system the most adverse temperature code lowest T number may beused to help determine the overall temperature code of the system Combinations of e
18. a The data obtained by the PLC3 and with the default length BTR IRT8 BTR BLOCK TRANSFER READ EN Done Bit Rack 3 Group 2 DN B17 0 eine 2 I Control B17 0 ER 15 Data File N18 101 Length 0 IRT8 BTR IRT8 BTR Error Bit Error Bit B17 0 BET Ji aE u 13 13 The IRT8 module is located in rack 3 file starting at B17 0 that is shared by the BTR BTW processor to the IRT8 module is from PLC memory starting at N18 1 length of 0 is 4 words long IRT8 BTR BTW IRT8 BTW Control Block Done Bit BTW B17 0 1 t BLOCK TRANSFER WRITE EN dA Rack 3 5 Group 2 Slot 1 on Control B17 0 Data 18 1 ER Length 0 IRT8 BTW IRT8 BTW Error Bit Error Bit B17 0 B17 0 it u 3 3 PLC 5 Family Processor 0 word I O group 2 slot 1 The control file is a 10 word The data sent by the PLC 3 and with the default 45566 Block transfer instructions with the PLC 5 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when programming a BTR The programming terminal prompts you to create a control file when a block transfer instruction is being programmed A different block transfer control file is used for
19. bits echo the EDT command written to the module during calibration 15 17 Reserved for factory use Bit Word Descriptions for Block Transfer Write Words Word Dec Bits Octal Bits Description Write Word O 00 02 Input Filter Selection bits Bit 02 01 00 Filter Time Constants actual filtering depends on the module mode of operation 0 0 0 Hardware filtering only default filtering 0 0 25 ms 0 1 O 100ms 0 1 1 250ms 1 0 10 500ms 1 0 1 1s 1 1 10 2 S T mop ss Reference Junction used when input type is set to thermocouple and sensor mode is set to internal compensation Sets a fixed reference junction to compensate all thermocouple channels Bit 05 04 03 Reference Junction 0 0 0 0 C 32 F 0 0 1 20 C 68 F 0 1 0 25 C 77 F 0 1 1 30 C 86 F 1 0 0 40 C 104 F 1 0 1 50 C 122 F 1 1 0 60 C 140 F 1 71 1 70 C 158 F Fault Mode bits when a bit is set 1 fault mode is enabled for that channel Bit 06 corresponds to channels 0 3 bit 07 corresponds to channels 4 7 0 Disabled 1 Enable wire off detection Bits 03 05 Bits 06 07 Bits 08 11 10 13 Data format module defaults to 4000 10000 in millivolt mode and 0 5000 in Q mode with implied decimal points i e 40 00mvV 0 1 Q whenever
20. contact Customer Support for initial help in getting your product up and running United States or Canada 1 440 646 3434 Outside United States or Use the Worldwide Locator at http www rockwellautomation com support americas phone en html or contact Canada your local Rockwell Automation representative New Product Satisfaction Return Rockwell Automation tests all of its products to ensure that they are fully operational when shipped from the manufacturing facility However if your product is not functioning and needs to be returned follow these procedures United States Contact your distributor You must provide a Customer Support case number call the phone number above to obtain one to your distributor to complete the return process Outside United States Please contact your local Rockwell Automation representative for the return procedure Documentation Feedback Your comments will help us serve your documentation needs better If you have any suggestions on how to improve this document complete this form publication RA DU002 available at http www rockwellautomation com literature Rockwell Otomasyon Ticaret A S Kar Plaza Ig Merkezi E Blok Kat 6 34752 erenk y stanbul Tel 90 216 5698400 www rockwellautomation com Power Control and Information Solutions Headquarters Americas Rockwell Automation 1201 South Second Street Milwaukee WI 53204 2496 USA Tel 1 414 382 2000 Fax 1 414 382 44
21. four fixed resistive values used by the module when inputs are configured for 2 wire with user selected RTD offset The RTD offset is used to nullify the effects of the resistance of long lead wires Each value represents the total resistance of both leads of a 2 wire RTD For example if you choose 5 Q the module compensates for a total of 5 Qof lead resistance You can perform a calibration operation that measures the actual total lead resistance with RTD replaced with a short circuit The value stored from this operation is used when the option Use Channel Loop Compensation Value is selected This is also the default setting and is initially set to 0 at the factory Each channel has its own pair of RTD offset bits and a Channel Loop Compensation value Individual input channels are configurable to operate with the following sensor types RTD Type Thermocouple Type Sensor type for channels 0 3 Sensor type for channels 0 3 Sensor type for channels 4 7 Sensor type for channels 4 7 Resistance default mV default 100 QPt 0 00385 Euro 200 870 C 328 1598 F B 300 1800 C 572 3272 F 200 QPt 0 00385 Euro 200 400 C 328 752 F E 270 1000 C 454 1832 F 100 QPt 0 00391 6 U S 200 630 C 328 1166 F J 210 1200 C 346 2192 F 200 QPt o 0 00391 6 U S 200 400 C 328 752 F K 270 1372 C 454 2502
22. icon a globe or a message that says the device is unrecognized this means the EDS file for that device does not exist on your PC If RSLinx can see a processor but going online uploading or downloading is not possible With ControlLogix modules the backplane does not show after expanding the tree or ControlLogix modules in the backplane show up as a yellow question mark without a red X sign An EDS file is also required if a bridge module such as a 1756 CNB or DNB does not show the sign to expand the tree to show its network Publication 1794 6 5 12 September 2011 J 58 Electronic Data Sheet EDS Files B Publication 1794 6 5 12 September 2011 To acquire EDS files for Rockwell Automation and Allen Bradley devices go to Tools amp Resources EDS Files at www ab com networks eds It allows you to search for devices by the type of network and their catalog number ATTENTION e Make sure to match the major firmware revision of the device as each major firmware revision is associated with a specific EDS file e Download the EDS file and place it in any folder except the Program Files Rockwell Software RSCommon EDS folder where your Rockwell Automation software is installed e Register EDS files with RSNetworx by selecting Tools EDS Wizard e Select Register an EDS File then click the Browse button on the Next page to find your file EDS Installation You can register EDS files with the EDS Hardwar
23. into a terminal base unit that is already installed proceed to the section Mount the FLEX I O Module on the Terminal Base Unit on page 14 Use the mounting kit Cat No 1794 NM1 for panel or wall mounting E oe T 14 gt Millimeters 1 Inches Allen Bradley MODULE status ET NETWORK STATUS O unk status OGOCO QOCCO IS 2 rererererer rer ere QOOOOOGG j 200909806 e 45323 1 Mounting plate for adapter 3 Terminal base unit not included 2 6 Self tapping screws 4 Adapter module not included To install the mounting plate on a wall or panel Publication 1794 6 5 12 September 2011 14 Install Your FLEX 1 0 Input Module Millimeters Inches 21 0 83 Y j 1 G fi AR Ty ts rap Ke Te T 1 Lay out the required points on the wall or panel as shown in the drilling dimension drawing Drilling Dimensions for Panel or Wall Mounting 355 _ Le 58 5 RH Er 58 5 ja Di y 4 2 3 14 23 14 B Publication 1794 6 5 12 September 2011 45327 2 Drill the necessary holes for the 6 self tapping mounting screws 3 Mount the mounting plate for the adapter module using two 6 self tapping screws 18 screws included for mounting up to 8 modules and the adapter IMPORTANT Make certain that the mounting plate is properly grounded to the panel Refer to Industrial Automa
24. mV gain 2 input 0 0 mV gain 4 input 50 mV gain 8 input 10 0 mV gain 16 input 9 mV ecloo o o MO MOM NP NU gain 32 input 1 0 mV 6 6 Gain calibration by channel CO or A Ww N gain 1 input 320 mV gain 2 input 320 mV gain 4 input 110 mV gain 8 input 70 mV gain 16 input 29 mV ol A j N gain 32 input 19 mV 36 24 Calibration all channels General calibration all channels c Channel internal current source and current sense resistor with 4 wire external 383 Q inputs Channel internal current source and current sense resistor with 4 wire external 100 Q inputs Loop channel compensation for 2 wire RTD CJC calibration Publication 1794 6 5 12 September 2011 Offset calibration all channels gain 1 input 320 mV Config Word 3 EDT Command bits 8 15 Calibrate Your Module 45 Meaning Config Word3 Config Word 3 Meaning bits 4 7 bits 0 3 1 gain 2 input 0 0 mV 2 gain 4 input 50 mV 3 gain 8 input 10 0 mV 4 gain 16 input 9 mV 5 gain 32 input 1 0 mV Gain calibration all 2 0 gain 1 input 320 mV channels 2 gain 2 input 320 mV 2 gain 4 input 110 mV 2 gain 8 input 70 mV 2 gain 16 input 29 mV 2 gain 32 input 19 mV Offset Calibration
25. next terminal base unit connect a jumper from terminal 50 V DC on this base unit to V terminal on the next terminal base unit 5 Connect a jumper from terminal 51 V DC common to the V DC common terminal on the next terminal base unit 6 If using cold junction compensators make these connections as shown in the CJC Sensor chart below Identify RTD Wire Pairs If the RTD wires are color coded the wires that are the same color are connected together If the wires are not color coded use an ohmmeter to determine the pairs as explained below How to Connect a 4 wire RTD If the 4 wire RTD wires are all different colors use an ohmmeter to determine which leads are connected together One of the leads in each pair is the compensation lead Either lead of the pair can be the compensation lead Attach one pair to terminals L and and the other pair to and H How to Connect a 3 wire RTD If the 3 wire RTD wires are all different colors use an ohmmeter to determine which leads are connected together Either lead of the pair can be the compensation lead Attach one lead of the pair to terminal L and the other to Attach the single lead to Refer to the table Wiring Connections for the FLEX I O Input Module on page 18 Publication 1794 6 5 12 September 2011 18 Install Your FLEX 1 0 Input Module RTD 1 om 2 wire Thermocouple wire 1 2 Millivolt 1 2 45332 45359 B P
26. one 10 K Q 0 5 resistor across terminals 37 and 39 and another across 46 and 48 Wiring Connections for Calibrating the Thermocouple and RTD Input Module Type of Input Connect the following RTD P H L Shield 2a RTD 4 wire 1a 2a 1 2 2 4 wire Millivolt 1 2 Millivolt ae z i Wiring to the 1794 TB3G and 1794 TB3GS Terminal Base Units RTD or 1794 TB3G and 1794 TB3GS Terminal Base Units Thermocouple Channel High Signal Low Signal RTD Source Signal Return 2 Terminal H Terminal L Current 45358 0 1 2 0 3 1 5 6 4 7 2 9 10 8 11 3 13 14 12 15 4 18 19 17 20 5 22 23 21 24 6 26 27 25 28 Publication 1794 6 5 12 September 2011 42 Calibrate Your Module Write Words for Calibration Wiring to the 1794 TB3G and 1794 TB3GS Terminal Base Units RTD or 1794 TB3G and 1794 TB3GS Terminal Base Units Thermocouple Channel High Signal Low Signal RTD Source Signal Return Terminal H Terminal L Current 4 7 30 31 29 32 24V DC Power 34 and 50 24V DC 35 and 51 Common 1 Terminals 16 33 and 40 45 are chassis ground Read and Write Words for Calibration The following tables provide read and write words for module calibration
27. system 4 loop compensation 37 low pass 28 male connector 10 manual conventions xii purpose ix related x manual calibration 40 message fault 40 millivolt 28 39 60 calibration 41 wiring 18 20 module label 4 status 52 mounting kit 13 Index 69 wall or panel 12 MSG instructions 4 mV source 2 28 0 offset calibration 45 ohmmeter 17 open input 54 open sensor 52 overrange 29 P PLC processors control file 62 60 data file 62 60 PLC 2 60 PLC 2 system 60 PLC 5 250 21 61 62 PLC 5 controller 21 power 40 connections 8 external DC 54 operational 7 precision millivolt 45 46 47 processor 27 40 programming 59 Protected Extra Low Voltage PELV 56 publications related x read programming 30 read words decimal 42 octal 42 overrange bits 33 underrange bits 33 recalibration 39 reference junction 34 37 42 default temperature 28 selection 36 related documentation x relative humidity 55 Requested Packet Interval RPI 23 resistance 28 35 36 resolution curve type B 24 65 type E 24 66 type J 24 66 Publication 1794 6 5 12 September 2011 70 Index type K 24 67 type N 24 69 type R 24 68 type S 24 68 type T 24 69 type TXK XKL L 24 70 RF immunity 56 RSLinx 57 58 RSLogix 5000 software 4 8 21 57 RSLogix 5 software 57 RSNetworx 57 58 RTD analog input mapping 31 2 wire 18 36 37 3 wire 18 25 36 37 3 wire connection 17 A wire 18 25 36 37 41 4 wire con
28. the read and write instructions for your module Publication 1794 6 5 12 September 2011 62 Program Your Module with PLC Family Processors PLC 5 Processor Program Example Rung 2 0 The IRT8 module is located in rack 2 I O group 2 slot 1 The integer control file starts at N22 200 is 5 words long and is compatible with all PLC 5 family members The data obtained by the PLC 5 processor from the IRT8 module is placed in memory starting at N22 101 and with the default length of 0 is 11 words long The length can be any number IRT8 BTR IRT8 BTR IRT8 BTW Control File Enable Bit Enable Bit BTR N22 200 N22 205 BLOCK TRANSFER READ EN Rack 02 I t Group 2 15 15 Slot 1 Control N22 200 Data File N22 101 ER Length 0 Continuous N Rung 2 1 The IRT8 module is located in rack 2 group 2 slot 1 The integer control file starts at N22 205 is a 5 words long and is compatible will all PLC 5 family members The data sent by the PLC 5 processor to the IRT8 module starts at N22 1 and with the default length of 0 is 4 words long Valid BTW lengths 0 1 2 3 and 4 In enhanced PLC 5 processors the block transfer data type may be used as a control file IRT8 BTR IRT8 BTW A j IRT8 BTW Enable Bit Enable Bit Control File N22 200 N22 205 BTW E t BLOCK TRANSFER WRITE EN E Rack 02 15 15 Group 2 DN Slot L x P Control N22 205 Data File 8N22 1 SER Length 0 Continuous
29. troubleshoot Module Indicators The FLEX I O module has one status indicator PWR that is On when power is applied to the module and one fault indicator F for each input amp Flex V0 uy Allen Bradley 1794 IRT8 EE IC RTD INPUT 8 CHANNEL INO IN1 IN2 IN3 INA IN 5 ING IN7 PWR F F F F F F A B C A Insertable label for writing individual input designations B Fault Indicator indicates noncritical fault C Power Indicator indicates power applied to module A Status Indicators Indicator Color State Description Fault Red On At power up Channel 0 indicator lights at power up until all internal diagnostics are checked After successful power up the indicator goes off if no fault is detected and the module has started communicating with an adapter After successful power up Indicates a critical fault such as diagnostic failure If channel indicator stays solid red after power up there is an internal module error Try cycling power If problem persists replace module If channel indicator continues to blink after power up communication between the module and the adapter has not been established Publication 1794 6 5 12 September 2011 52 Troubleshoot the Module Status Indicators Indicator Color State Description Blinking Indicates a noncritical fault such as open sensor Input data set to when faults maximum an
30. 03 02 01 00 Sensor type for channels 0 3 0 10 0 0 mV default 0 0 JO 1 B 300 1800 C 572 3272 F 0 JO 1 0 E 270 1000 C 454 1832 F 0 0 1 1 J 210 1200 C 346 2192 F 0 1 0 0 K 270 1372 C 454 2502 F 0 1 JO 1 TXK XK L 200 800 C 328 1472 F 0 1 1 40 N 270 1300 C 450 2372 F 0 71 41 1 R 50 1768 C 58 3214 F 1 0 0 0 S 50 1768 C 58 3214 F 1 0 0 1 T 270 400 C 454 752 F 1010 1111 not used Bits 04 05 Sensor Mode Select bits Bit 05 04 Sensor mode select for channels 0 3 Thermocouple Publication 1794 6 5 12 September 2011 36 Read and Write Configuration Maps for the FLEX 1 0 Module Bit Word Descriptions for Block Transfer Write Words Word Dec Bits Description Octal Bits Write Word 1 0 0 External compensation uses cold junction sensors Both CJC sensors must be continued used when external compensation is selected 0 1 Internal compensation uses the user selected Reference Junction Selection 1 0 No compensation Data is referenced to 0 C 32 F 1 1 Differential measurement between 2 channels 0 1 2 3 4 5 6 7 RTD 0 0 2 wire RTD no compensation 0 1 2 wire RTD with user selected RTD offset 1 10 3 wire RTD 1 1 4 wire RTD
31. 16 Chapter Summary 20 Before installing your FLEX I O Thermocouple RTD and mV module you need to verify that a suitable enclosure is available for installation of the module and position the keyswitch on the terminal base These modules do not receive primary operational power from the ATTENTION EUN backplane 24V DC power must be applied to your module before installation If power is not applied the module position may appear to the adapter as an empty slot in your chassis ATTENTION If using a Series B product to replace a Series A product connect a wire between terminals 39 and 48 on the 1794 TB3G or 1794 TB3GS terminal base unit If not connected the Series B product defaults to Series B functionality Publication 1794 6 5 12 September 2011 Install Your FLEX 1 0 Input Module Series A and Series B The table Series A and Series B Differences describes the differences between Series A and Series B of the FLEX I O Thermocouple RTD and mV Input modules Series A and Series B Differences Mode 1794 IRT8 Series A 1794 IRT8 1794 IRT8XT Series B Isolation Between user side and Between user 24V DC and system side user 0 between user side and system side Common Mode Range 4V DC 15V DC Thermocouple Mode Wire off Detection When an open sensor is detected data defaults to maximum value When open sensor is detected data defaults to minimum value In the RSLogix 5000
32. 1794 IRT8K 1794 IRT8XT 2 Input Frequency Module Installation Instructions publication 1794 IN049 Information on how to install the 2 Input Frequency Module Catalog No 1794 1J2 1794 1J2K 1794 IJ2XT FLEX 1 0 Frequency Input Module User Manual publication 1794 6 5 11 Information on how to use the FLEX 1 0 Frequency Input Module Catalog No 1794 IJ2 24V FLEX 1 0 2 Channel Incremental Encoder Module Installation Instructions publication 1794 IN063 Information on how to install the 24V FLEX 1 0 2 Channel Incremental Encoder Module Catalog No 1794 1D2 FLEX Integra Analog Module User Manual publication 1793 6 5 1 Information on how to install the FLEX Integra Analog Module Catalog No 1793 IE2X0E1 1793 IE2XOE18 1793 IE4 1793 IE4S 1793 OE2 1793 OE2S FLEX 1 0 4 Channel Pulse Counter Module Installation Instructions publication 1794 IN064 Information on how to install the 24V DC FLEX 1 0 4 Channel Module Catalog No 1794 IP4 FLEX 1 0 Very High Speed Counter Module Installation Instruction publication 1794 IN067 Information on how to install the Very High Speed Counter Module Catalog No 1794 VHSC FLEX 1 0 48V DC Input and Output Modules Installation Instructions publication 1794 IN105 Information on how to install the FLEX 1 0 48V DC Input and Output Modules Catalog No 1794 IC16 1794 0C16 FLEX 1 0 AC Digital Input Modules Installation Instructions publicati
33. 44 Europe Middle East Africa Rockwell Automation NV Pegasus Park De Kleetlaan 12a 1831 Diegem Belgium Tel 32 2 663 0600 Fax 32 2 663 0640 Asia Pacific Rockwell Automation Level 14 Core F Cyberport 3 100 Cyberport Road Hong Kong Tel 852 2887 4788 Fax 852 2508 1846 Publication 1794 6 5 12 April 2011 Supersedes Publication 1794 6 5 12 November 1997 Copyright 2011 Rockwell Automation Inc All rights reserved
34. 47 48 49 50 51 Label placed at top of wiring area ARR R RR AR RAR RAR FARRAR ARR AR AR AAA AR ARABR AR RRR AR AR AAA AR 35 and 51 common 34 and 50 24V DC 16 and 33 chassis ground 40 45 chassis ground 45328 Connect Wiring to the FLEX 1 0 Module Wiring to the TC RTD and mV module is made through the terminal base unit on which the module mounts The module is compatible with the 1794 TB3G 1794 TB3GK and 1794 TB3GS terminal base units Connecting Wiring Using a 1794 TB3G 1794 TB3GK or 1794 TB3GS Terminal Base Unit 1 Connect individual signal wiring to numbered terminals on 0 15 row A and 17 32 row B on the terminal base unit as indicated in the table below Use Belden 8761 cable for mV signal wiring or the appropriate thermocouple wire for your thermocouples Install Your FLEX 1 0 Input Module 17 Signal wiring shields can be connected to terminals 16 or 33 on row B ot terminals 40 45 on row C 2 Connect the V DC power lead to terminal 34 on row C terminals 34 51 3 Connect the V DC common return to terminal 35 on row C terminals 34 51 ATTENTION Do not daisychain power or ground from this terminal base unit to any AC or DC digital module terminal base units A 4 If daisychaining power to the
35. 94 OF4I Publication 1794 6 5 12 September 2011 Resource publication 1794 IN038 FLEX 1 0 4 Isolated Input Module Installation Instructions Preface xi Description Information on how to install the FLEX 1 0 4 Isolated Input Module Catalog No 1794 IF4l FLEX 1 0 2 In 2 Out Isolated Analog Combo Module Installation Instructions publication 1794 IN039 Information on how to install the FLEX 1 0 2 In 2 Out Isolated Analog Combo Module Catalog No 1794 IF2XOF2I FLEX 1 0 Isolated Analog Modules User Manual publication 1794 6 5 8 Information on how to use the FLEX 1 0 Isolated Analog Modules Catalog No 1794 IFAI 1794 OF4I 1794 IF2XOF2I 1794 IFAIXT 1794 IFAICFXT 1794 OF4IXT 1794 IF2XOF2IXT FLEX 1 0 8 Thermocouple Input Module Installation Instructions publication 1794 IN021 Information on how to install the FLEX 1 0 8 Thermocouple Input Modules Catalog No 1794 IT8 1794 IR8 FLEX 1 0 8 Input RTD Module User Manual publication 1794 6 5 4 Information on how to use the FLEX 1 0 8 Input RTD Module Catalog No 1794 IR8 FLEX 1 0 Thermocouple Millivolt Input Module User Manual publication 1794 6 5 7 Information on how to use the Thermocouple and Millivolt Input Module Catalog No 1794 IT8 FLEX 1 0 Thermocouple RTD Input Analog Module Instructions publication 1794 IN050 Information on how to install the Thermocouple Millivolt Input Modules Catalog No 1794 IRT8
36. ATTENTION If these terminals are not connected together the Series B product will default to Series B functionality This chapter provided the user with data and instructions to configure and map data for the FLEX I O Thermocouple RTD and Millivolt Input module Chapter 5 Overview When and How to Calibrate Your FLEX 1 0 Module Calibrate Your Module This chapter provides the tools and equipment and procedure for calibrating your FLEX I OThermocouple RTD and mV input module Topic Page When and How to Calibrate Your FLEX 1 0 Module 39 Tools and Equipment 40 Calibrate Your Input Module 40 Calibration Setup 41 Wiring Connections for Calibrating the Thermocouple and RTD 41 Input Module Read and Write Words for Calibration 42 EDT Calibration Command and Command Data Summary 44 Offset Calibration 45 Gain Calibration 46 Current Source Calibration 47 Cold Junction Calibration 49 Channel Loop Compensation Calibration 49 Chapter Summary 49 This module is shipped to you already calibrated If a calibration check is required the module must be in a FLEX system We recommend recalibrating your module if the module is going to be used in an environment with temperature other than 25 C 77 F and 30 humidity Perform module calibration periodically based on your application or ATTENTION dae at least once a year Module calibration may also be required to remove module err
37. Analog Output HART 1794 IRT8 8 Ch C RTDJT Find Add Favorite By Category 3 Complete the following fields in the New Module dialog that appears Click OK Name Description Comm Format Electronic Keying Publication 1794 6 5 12 September 2011 Configure Your FLEX 1 0 Module with RSLogix 5000 Software 23 New Module Type 17944RT8 8 Channel 24V DC RTD Thermocouple Analog Input Vendor Allen Bradley Parent AENT Name it8_test Slot 2 4 Description _ test setup Comm Format Input Data z Revision p 1 Electronic Keying Compatible Keying 7 F Open Module Properties Cancel Help 4 Click the Connection tab Specify a value for the Requested Packet Interval RPI Wil Module Properties AENT 2 1794 IRT8 1 1 General Connection Module Info Input Configuration Requested Packet Interval RPI 80 0 ms 20 750 0 ms Inhibit Module r Major Fault On Controller If Conne Module Fault Status Offline Cancel Apply Help 5 Click the Module Info tab to see Module Identification and Status information These fields are populated when the module goes online Wii Module Properties AENT 2 1794 IRTB 1 1 General l Connection iput Configuration l Identification Status Vendor Fault Product Type Module Identity Product Code Revision Status Offline 6 Click the Input Configuration tab and specify the values for the followi
38. C F K is selected B Publication 1794 6 5 12 September 2011 Bit Word Descriptions for Block Transfer Write Words Read and Write Configuration Maps for the FLEX 1 0 Module 35 Word Dec Bits Description Octal Bits Write Word O Bits 08 11 Bit 11 10 09 08 Data type for channels 0 7 continued 10 13 0 0 JO J0 C implied decimal point xxxx x 0 0 JO 1 F implied decimal point xxxx x 0 0 1 0 K implied decimal point xxxx x 0 0 1 1 32767 32767 0 1 0 0 0 65535 0101 1111 not used Bits 12 15 Not used 14 17 Write Word 1 Bits 00 03 Sensor Type Thermocouple or RTD RTD Type Bit 03 02 01 00 Sensor type for channels 0 3 0 10 0 0 Resistance default 0 JO 0 1 100 QPt 0 00385 Euro 200 870 C 328 1598 F 0 JO 1 0 200 QPt ox 0 00385 Euro 200 400 C 328 752 F 0 0 1 1 100 QPt 0 003916 U S 200 630 C 328 1166 F 0 1 0 0 200 QPt 0 003916 U S 200 400 C 328 752 F 0 1 JO 1 100 Q Nickel 60 250 C 76 482 F 0 1 1 40 200 Q Nickel 60 200 C 76 392 F 0 71 1 1 120 QNickel 80 320 C F 112 608 F 1 10 0 10 10 Q Copper 200 260 C F 328 500 F 1001 1111 not used Thermocouple Type Bit
39. F 100 QNickel o 0 00618 60 250 C 76 482 F TXK XK L 200 800 C 328 1472 F 200 QNickel o 0 00618 60 200 C 76 392 F N 270 1300 C 450 2372 F Publication 1794 6 5 12 September 2011 30 Read and Write Configuration Maps for the FLEX 1 0 Module RTD Type Thermocouple Type 120 QNickel 0 00672 80 320 C 112 608 F R 50 1768 C 58 3214 F 10 QCopper amp 0 00427 200 260 C 328 500 F S 50 1768 C 58 3214 F T 270 400 C 454 752 F You select individual channel ranges using write word 1 of the block transfer write instruction Disconnecting and reconnecting RTDs with power applied temporarily ATTENTION disturbs the steady state data of the channel Allow 2 minutes for settling time or cycle power to the module after terminating connections If using RTD isolators we recommend using 2 or 4 wire configurations only and digital filtering to the inputs ATTENTION AN ELI AN ELLE AN The range 32768 32767 should only be used with mV selection Signals from a thermocouple or RTD are non linear the mV selection is not recommended for thermocouple or RTD real time readings If selected the module will return the mV generated by the thermocouple or RTD in addition to any offsets generated by wiring without any correction for the non leanearity of the device Also when the module is
40. FLEX 1 0 Thermocouple RTD and Millivolt Allen Bradley Input Modules TY Catalog Numbers 1794 IRT8 1794 IRT8K 1794 IRT8XT User Manual Rockwell Allen Bradley Rockwell Software Automation Important User Information Solid state equipment has operational characteristics differing from those of electromechanical equipment Safety Guidelines for the Application Installation and Maintenance of Solid State Controls publication SGI 1 1 available from your local Rockwell Automation sales office or online at http literature rockwellautomation com describes some important differences between solid state equipment and hard wired electromechanical devices Because of this difference and also because of the wide variety of uses for solid state equipment all persons responsible for applying this equipment must satisfy themselves that each intended application of this equipment is acceptable In no event will Rockwell Automation Inc be responsible or liable for indirect or consequential damages resulting from the use or application of this equipment The examples and diagrams in this manual are included solely for illustrative purposes Because of the many variables and requirements associated with any particular installation Rockwell Automation Inc cannot assume responsibility or liability for actual use based on the examples and diagrams No patent liability is assumed by Rockwell Automation Inc with respect to use of information
41. Module Module Module Module 0000000000000000 0000000000000000 0000000000000000 0000000000000000 o000000000000000000000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 00000000000000000 24V DC Wiring when total current draw is less than 10 A Individual Digital Input TC RTD mV Digital Input Digital Output Module Module Module Module 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00000000000000000 90000000000000000 90000000000000000 0000000000000000 99000000000000000 f000000000000000 0000000000000000 24V DC 24V DC 24V DC Wiring when total current draw is less than 10 A Thermocouple RTD Millivolt wiring separate from digital wiring Combination Analog Analog TC RTD mV Analog Module Module Module Module 0000000000 0000000000 0000000000000000 _ 0000000000000000 CO000000000000000 o0000000000000000 00000000000000000 00000000000000000 06000000000000000 60000000000000000 99000000000000000 9900000000000000 0 24V DC 24V DC Total current draw through any base unit must not be greater than 10 A 45318 Publication 1794 6 5 12 September 2011 g 10 Install Your FLEX 1 0 Input Module Install the Module B Publication 1794 6 5 12 September 2011 Note the following considerations for each type of wiring configuration e Daisychain All modules must be analog or TC RTD and mV modules for
42. Module with RSLogix 5000 Software Chapter 3 Read and Write Configuration Maps for the FLEX 1 0 Module Chapter 4 Calibrate Your Module Chapter 5 Troubleshoot the Module Chapter 6 Specifications Appendix A Electronic Data Sheet EDS Files Appendix B Programming Your Module with PLC Family Processors Appendix C Safety Approvals Appendix D This manual covers the 1794 IRT8 1794 IRT8K and 1794 IRT8XT modules which are identical except that the 1794 IRT8K is conformally coated In this manual we refer to the individual Thermocouple RTD and mV module as the module ot TC RTD and mV module the programmable controller as the controller or the processor Publication 1794 6 5 12 September 2011 x Preface Related Documentation The following documents contain additional information about Rockwell Automation products To obtain a copy contact your local Rockwell Automation office or distributor Resource FLEX 1 0 Product Profile publication 1794 PP019 Description Comprehensive product profile for the FLEX 1 0 product line FLEX 1 0 ControlNet Redundant Media Adapter publication 1794 5 18 Information on how to install the FLEX 1 0 ControlNet Redundant Media Adapter 1794 ACNR FLEX 1 0 EtherNet IP Adapter Module Installation Instructions publication 1794 IN082 Information on how to install the FLEX 1 0 EtherNet IP Adapter Module Catalog No 1794 AENT FLEX 1 0
43. N Enhanced PLC 5 processors include PLC 5 11 5 20 5 3x 5 4x and 5 6x 45567 PLC 5 250 Family Processor Block transfer instructions with the PLC 5 250 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when programming a BTR The programming terminal automatically selects the control file based on rack group and module and whether it is a read or write A different block transfer control file is used for the read and write instructions for your module A different block transfer control file is required for every module Publication 1794 6 5 12 September 2011 PLC 5 250 Processor Program Example Program Your Module with PLC Family Processors 63 Rung 1STEPO 1 The IRT8 module is located in rack 14 I O group 1 slot 0 The data obtained by the PLC 5 250 processor from the IRT8 module is placed in the data table starting at 2BTD5 101 and with the default length of 0 is 11 words long The length can be any number between 0 and 11 IRT8 BTR IRT8 BTR IRT8 BTW Control File Enable Bit Enable Bit BTR BR141 0 BW141 0 BLOCK TRANSFER READ HEN d FE p Rack 14 1 1 1 E Group 1 pn EN EN Slot 0 Control Block BR141 0 Data File 2BTD5 101 ER 4 BT Le
44. Read and Write The following block transfer read and write word bit information is presented for experienced users only Input Map Block Transfer Read Dec 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Oct 1 16 15 14 13 12 11 10 07 06 05 04 03 02 01 00 Word 0 Channel 0 Input Data Word 1 Channel 1 Input Data Word 2 Channel 2 Input Data Word 3 Channel 3 Input Data Word 4 Channel 4 Input Data Word 5 Channel 5 Input Data Publication 1794 6 5 12 September 2011 g 32 Read and Write Configuration Maps for the FLEX 1 0 Module Input Map Block Transfer Read Dec 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 Oct 17 16 115 14 13 12 11 10 07 06 05 04 03 02 01 00 Word 6 Channel 6 Input Data Word 7 Channel 7 Input Data Word 8 Overrange Alarm Bits channel 0 bit 8 and so on Underrange Alarm Bits channel 0 bit 0 and so on Word 9 Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 Ch0 Res CJC2 CJC1 SAB CJC Reserved Fit Fit Fit Fit Fit Fit Fit Fit Alm Alm Status Word 10 Resp Command Response Response Data Flag Where Ch Fit Channel Fault CJC Cold Junction Compensation SAB Series of unit 0 Series A 1 Series B Alm Alarm Output Map Block Transfer Write Dec 15 08 07 06 05 04 03 02 00 Oct 17 10 07 06 05 04 03 02 00 Word 0 Reserved Data Format Fit Ht Reference J
45. Refer to the thermocouple m Determined by installed terminal base anufacturer for proper thermocouple extension 2 Use this category information for planning conductor routing as described in Industrial Automation Wiring and Grounding Guidelines Allen Bradley publication 1770 4 1 Environmental Specifications Attribute Temperature operating Value IEC 60068 2 1 Test Ad Operating Cold IEC 60068 2 2 Test Bd Operating Dry Heat IEC 60068 2 14 Test Nb Operating Thermal Shock 20 55 C 4 131 F 1794 IRT8 1794 IRT8K 20 70 C 4 158 F 1794 IRT8XT Temperature non operating IEC 60068 2 1 Test Ab Unpackaged Non operating Cold IEC 60068 2 2 Test Bb Unpackaged Non operating Dry Heat IEC 60068 2 14 Test Na Unpackaged Non operating Thermal Shock 40 85 C 40 185 F Relative humidity IEC 60068 2 30 Test Db Unpackaged Damp Heat 5 95 noncondensing Vibration IEC 60068 2 6 Test Fc Operating 5g Q 10 500 Hz Shock IEC60068 2 27 Test Ea Unpackaged shock operating 30g nonoperating 50g Emissions CISPR 11 Group 1 Class A with appropriate enclosure ESD immunity IEC 61000 4 2 6 kV contact discharges 8 kV air discharges Publication 1794 6 5 12 September 2011 56 Specifications B Publication 1794 6 5 12 September 2011 Environmental Specifications Attribute Radiated RF immunity Value IEC 61000 4 3
46. aight so they will align propetly with the connector in the terminal base unit If you remove or insert the module while the backplane power is on ATTENTION dE an electrical arc can occur This could cause an explosion in hazardous location installations Be sure that power is removed or the area is nonhazardous before proceeding 4 Position the module 8 with its alignment bar 7 aligned with the gtoove 6 on the terminal base 5 Press firmly and evenly to seat the module in the terminal base unit The module is seated when the latching mechanism is locked into the module Publication 1794 6 5 12 September 2011 16 Install Your FLEX 1 0 Input Module Wiring Information 1794 TB3G or 1794 TB3GK 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 and 50 24V DC 35 and 51 common 16 and 33 chassis 40 45 chassis ground B Publication 1794 6 5 12 September 2011 6 Remove cap plug and attach another terminal base unit to the right of this terminal base unit if required Make sute the last terminal base has the cap plug in place IMPORTANT The adapter is capable of addressing eight modules Do not exceed a maximum of eight terminal base units in your system Wiring the module is done using the 1794 TB3G 1794 TB3GK or the 1794 TB3GS terminal base units 1794 TB3G 1794 TB3GK and 1794 TB3GS Wiring 1794 TB3GS DAT DNA ON 8 9 TO at e 5 34 35 36 37 38 39 40 41 42 43 44 45 46
47. ansfer wtites BTW to the module and read inputs BTR from the module To manually calibrate the module 1 Apply a reference to the desired input s 2 Send a message to the module indicating which inputs to read and what calibration step is being performed offset The module returns a response which echoes the message sent to the module The module stores this input data 3 Apply a second reference signal to the module 4 Send a second message indicating which inputs to read and what calibration step is being performed gain The module computes new calibration values for the inputs and returns a response which echoes back the message sent to the module If the calibration cannot be completed the module returns a fault message Calibrate Your Module 41 Calibration Setup Using Precision Resistors for 383 Q and 100 Q calibration ASS SISS ISIFISISIS FIS S Using Precision Voltage Source for offset and gain calibration 0 1 2 43 4 5 6117 8 9 1 n 1 13 14 15 lo 1 2 3 4 5 6 T e 9 10 11 I3 14 15 e 16 S S 19 20 S QE 24 TR 27 28 S S 1 2 133 S S S 37 38 S 40 41 2 43 S 45 S S 49 50 S SIS SISISISISISISISIOISISISISIS ax Precision Voltage Source 1794 TB3G Connect to terminals 2 6 10 14 19 23 27 and 31 Connect to terminals 3 7 11 15 20 24 28 and 32 Connect
48. circuits equipment or software described in this manual Reproduction of the contents of this manual in whole or in part without written permission of Rockwell Automation Inc is prohibited Throughout this manual when necessary we use notes to make you aware of safety considerations Identifies information about practices or circumstances that can cause an explosion in a hazardous environment which may lead to personal injury or death property damage or economic loss IMPORTANT Identifies information that is critical for successful application and understanding of the product ATTENTION Identifies information about practices or circumstances that can lead to personal injury or death property damage or economic loss Attentions help you identify a hazard avoid a hazard and recognize the consequence SHOCK HAZARD Labels may be on or inside the equipment such as a drive or motor to alert people that dangerous voltage may be present BURN HAZARD Labels may be on or inside the equipment such as a drive or motor to alert people that surfaces may reach dangerous temperatures alae ta Allen Bradley Rockwell Automation FLEX I O RSLinx RSLogix 5000 and TechConnect are trademarks of Rockwell Automation Inc Trademarks not belonging to Rockwell Automation are property of their respective companies New and Updated Information Summary of Changes This manual contains new and updated information
49. cking tab to lock the base in place o WO Atenradiey O MoouLe STATUS Network status Flex ta unk status EherNet iP 45321 Gently push the FlexBus connector into the side of the adapter or proceeding terminal base to complete the backplane connection 7 4 1 o x 2 ew Allen Bradley 3 O L1 MODULE status O Network status Flext unk status a EtherNet IP __ OO OOCCODOODC ceoOOOOOO 45322 For specific wiring information refer to the installation instructions for the module you are installing in this terminal base unit 7 Repeat the above steps to install the next terminal base unit Ensure that the cover of the FlexBus connector on the last terminal base unit is in place Install Your FLEX 1 0 Input Module 13 Mount on a Panel or Wall Installation of a FLEX system on a wall or panel consists of laying out the drilling points on the wall or panel drilling the pilot holes for the mounting screws mounting the adapter mounting plate installing the terminal base units and securing them to the wall or panel If you are installing your module
50. configured for mV the CJC compensation is not applied for thermocouple devices For thermocouples and RTDs you should use F or C data format When configured as thermocouple or RTD the module will use an internal table to adjust for the non linear mV returned by the field devices After the internal calculations are preformed the module will provide results in degrees F or C Read Data From the Module Read programming transmits status and data from the TC and RTD input module to the processor data table in one I O scan The processor user program initiates the request to transfer data from the TC and RTD input module to the processor Map Data for the Module The following read and write words and bit word descriptions desctibe the information written to and read from the TC and RTD input module The B Publication 1794 6 5 12 September 2011 Read and Write Configuration Maps for the FLEX 1 0 Module 31 module uses up to 11 wotds of input data and up to 4 words of output data Each wotd is composed of 16 bits Thermocouple and RTD Input Module Image Table Mapping Module Image Input Data Channel 0 Input Data Channel 1 1 0 Image Input Size Input Data Channel 2 Input Data Channel 3 em Input Data Channel 4 1 11 Words Input Data Channel 7 Cm TE pue vase CT Eros Output Size TC RTD Mode Sensor Type TC RTD Mode Sensor Type RTD Offsets for each channel EDT command and data 45333 Block Transfer
51. ct Filter Cutoff Mode Mode Ch Ch 4 7 0 3 Word 1 TC RTD Sensor Sensor Type TC RTD Sensor Mode Sensor Type Ch 4 7 Mode Ch 4 7 Ch 0 3 Ch 0 3 Ch 0 3 Ch 4 7 Word 2 RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset RTD Offset Ch7 Ch 6 Ch 5 Ch 4 Ch 3 Ch2 Ch1 Ch 0 Word 3 Cmd EDT Command EDT Command Data Hag Where Fit Fault Ch Channel TC RTD Thermocouple Resistance Temperature Detector EDT Extended Data Transfer B Publication 1794 6 5 12 September 2011 Bit Word Descriptions for the Input Module Block Transfer Read Words Word Dec Bits Description Octal Bits Read Word 0 00 15 Channel 0 Input data 00 17 Read Word 1 00 15 Channel 1 Input data 00 17 Read Word2 00 15 Channel 2 Input data 00 17 Read and Write Configuration Maps for the FLEX 1 0 Module 33 Read Word3 00 15 Channel 3 Input data 00 17 Read Word4 00 15 Channel 4 Input data 00 17 Read Word 5 00 15 Channel 5 Input data 00 17 Read Word 6 00 15 Channel 6 Input data 00 17 Read Word 7 00 15 Channel 7 Input data 00 17 Read Word 8 00 07 Underrange bits these bits are set if the input signal is below the minimum range of the input channel Bit 00 corresponds to channel 0 bit 07 corresponds to channel 7 08 15 Overrange bits these bits are set if 1 the input 10 17 signal i
52. d indicator flashes at about 1 Hz rate are enabled and bit set Power Off Module not powered Green On Module receiving power The FLEX I O Thermocouple RTD and mV module returns diagnostics to the processor in Word 9 of the block transfer read BTR file These diagnostics give you information on the status or condition of the module Diagnostic Bits in Word 9 Word Dec Bits Description Octal Bits Read Word 9 00 03 Diagnostic bits represent module configuration and or hardware errors Bit 03 02 01 00 0 10 10 0 Reserved for factory use 0 10 1 0 Improper module configuration 0 1 1 0 RAM aultf 0 1 1 1 EEPROM fault 0001 0100 and 0011 1111 Reserved for factory use 04 Series of Unit SAB 0 Series A 1 Series B 05 06 Cold junction compensation fault bits These bits are set 1 when the corresponding cold junction compensator lead is broken unattached or shorted and the thermocouple is set to external compensation Bit 05 corresponds to CJC1 and bit 06 to CJC2 07 Not used 08 15 Fault alarm bits An alarm bit is set 1 when an 10 17 individual input lead opens broken disconnected If the alarm is enabled the channel reads maximum value Bit 08 10 corresponds to input channel 0 bit 09 11 to channel 1 and so on Chapter Summary This chapter specified the different status indicators that would help the user Publication 1794 6 5 12 September 2011
53. e Installation tool 1 In Windows go to Rockwell Software RSLinx Tools EDS Hardware Installation Tool 2 Click Add to register an EDS file When an EDS file is registered a copy of the file is made and placed in the RSCommon EDS folder where your Rockwell Automation software is installed and your Windows registry is updated Once the registration is complete you can move copy or delete the original files Only one EDS file is required to support both the Series A and Series B modules The module ID for the Series A and B is identical because there is no change in software functionality The Series B hardware jumperdetermines how the module data reacts to an open circuit condition The Series A and B EDS file can be downloaded from www ab com networks eds The EDS file is installed using the RSLinx Tools EDS Hardware Installation Tool Appendix C Overview Enter Block Transfer Instructions Program Your Module with PLC Family Processors This Appendix serves as a reference to users of the PLC Family Processors to program their modules To initiate communication between the Thermocouple RTD and Millivolt modules and your PLC processor you must enter block transfer instructions into your ladder logic program Use this chapter to enter the necessary block transfer instructions into your ladder logic program The Thermocouple RTD and Millivolt modules communicate with the PLC processor through bid
54. ed Hardware only 0 10 of full range in millivolt mode Data format C implied decimal point XXX X F implied decimal point XXX X K implied decimal point XXX X 32767 32767 0 65535 0 5000 ohms mode implied decimal point XXX X 4000 10000 millivolt mode implied decimal point XXX XX Common mode rejection 80 db 5V peak to peak 50 60 Hz Common mode input range 15V min Publication 1794 6 5 12 September 2011 J 54 Specifications B Publication 1794 6 5 12 September 2011 General Specifications Attribute Isolation voltage continuous voltage withstand rating Value 50V continuous Basic Insulation Type Type tested 1365V AC for 60 s between field side and system No isolation between individual channels System throughput 8 channels scanned Add 0 5 ms if filtering is selected Typical module timing is shown here 7 4 ms millivolt 8 0 ms Q 2 wire RTD 10 0 ms Q 3 wire RTD 10 4 ms Q 4 wire RTD 8 0 ms 2 wire RTD F 10 4 ms 4 wire RTD F 8 8 ms 2 wire RTD C K 10 8 ms 4 wire RTD C K 9 8 ms 3 wire RTD F 10 0 ms 3 wire RTD C K 9 0 ms Thermocouples F 9 4 ms Thermocouples C K Open circuit protection RTD mode Open input Module defaults to max value TC mode Open input Module defaults to min value To simulate wire off detection in Series A TC mode
55. ed for use with PLC 2 family programmable controllers due to the number of digits needed for high resolution The Thermocouple RID and Millivolt modules function with reduced performance in PLC 2 systems Because the modules do not support BCD and the PLC 2 processor is limited to values of 4095 12 bit binary many values returned in the BTR file may not provide meaningful data to the PLC 2 processor PLC 3 Family Processor Block transfer instructions with the PLC 3 processor use a control file and a data file The block transfer control file contains the data table section for module location the address of the block transfer data file and other related data The block transfer data file stores data that you want transferred to the module when programming a BTW or from the module when programming a BTR The programming terminal prompts you to create a control file when a block transfer instruction is being programmed The same block transfer control file is used for both the read and write instructions for your module A different block transfer control file is required for every module PLC 3 Processor Program Example Rung M 0 The IRT8 module is located in rack 3 file starting at B17 0 that is shared by the BTR BTW processor is placed in memory starting at location N18 101 of 0 is 11 words long Program Your Module with PLC Family Processors 61 IRT8 BTR BTW Control Block I O group 2 slot 1 The control file is
56. escriptions for Block Transfer Write Words Word Dec Bits Description Octal Bits 1 0 0 11 T 270 400 C 454 752 F 1010 1111 not used Bits 12 13 Sensor Mode Select bits 14 15 Bit 13 12 Sensor mode select for channels 4 7 Thermocouple 0 0 External compensation uses cold junction sensors Both CJC sensors must be used when external compensation is selected 0 1 Internal compensation uses the user selected Reference Junction 1 0 No compensation Data is referenced to 0 C 32 F 1 1 Differential measurement between 2 channels RTD 0 0 2 wire RTD no compensation 0 1 2 wire RTD with user selected offset 1 0 3 wire RTD 1 1 4 wire RTD Bits 14 15 Input Type Select 16 17 Bit 15 14 Input type selection for channels 4 7 0 0 Thermocouple 0 1 RTD 1 0 Notused 1 1 Not used Write Word 2 00 15 RTD offset select bits used when input type is set to RTD and sensor mode select is set to 2 wire 00 17 with user selected RTD offset Allows you to set the type of RTD loop resistance compensation used for all RTDs or one of three fixed values for all channels NOTE Not applicable to 10 Q copper RTD Bit 01 00 RTD Offset Select Bits channel 0 03 02 RTD Offset Select Bits channel 1 05 04 RTD Offset Select Bits channel 2 07
57. ew of how the FLEX I O module interfaces with the different elements in a Logix system is shown in the sample illustration below PC running controller and Rockwell Automation configuration software TE PanelView Station FLEX System 1794 adapter 1794 FLEX 1 0 module Bridge Ethernet 45567 In this example the FLEX I O module communicates with the controller through the adapter The controller can produce and consume tags It can initiate MSG instructions that send and receive data or configure devices Configuration of devices and the network is done through the personal computer running the controller and configuration software To learn the prerequisites and steps to configure your FLEX I O module using RSLogix 5000 software see Configure Your FLEX I O Module with RSLogix 5000 Software on page 21 The following publications provide more information about EtherNet IP and ControlNet modules in a Logix5000 system e EtherNet IP Modules in Logix5000 Control Systems publication ENET UM001 e ControlNet Modules in Logix5000 Control Systems publication CNET UM001 Physical Features of Your The module label identifies the keyswitch position wiring and module type A Module removable label provides space for writing individual designations per your application Indicators are provided to identify input fault conditions and to show when power i
58. iant with EN 60079 15 Potentially Explosive Atmospheres Protection n II 3 G Ex nA IIC T4 X EN 60079 0 General Requirements Zone 2 TUV TUV Certified for Functional Safety up to and including SIL 2 1 See the Product Certification link at http Awww ab com for Declarations of Conformity Certificates and other certification details Appendix B Electronic Data Sheet EDS Files i Overview EDS provides the definition for a device s configurable parameters and public interfaces to those parameters Every type of configurable device has its own unique EDS It is a simple text file that allows product specific information to be made available to third party vendors This makes updating of configuration tools easier without having to constantly revise the configuration software tool Beginning with the following revisions EDS files are required for RSNetworx for Devicenet and ControlNet RSLinx RSLogix5 and RSLogix 5000 software to recognize a device RSNetworx Version 2 21 RSLinx Version 1 10 176 RSLogixb Version 4 0 RSLogix5000 Version 5 12 Updating EDS File Most EDS files are installed with RSLinx RSNetworx and other RSI software as long as you enable the option during installation There are instances where you will need to acquire and register EDS files on yout own even after all software is installed If you go online with RSNetworx and it shows a device with a mark
59. irectional block transfers This is the sequential operation of both read and write block transfer instructions Before you configure the module you need to enter block transfer instructions into your ladder logic The following example programs illustrate the minimum programming required for communication to take place between the module and a PLC processor These programs can be modified to suit your application requirements A configuration block transfer write BTW is initiated when the frequency module is first powered up and subsequently only when the programmer wants to enable or disable features of the module The configuration BIW sets the bits which enable the programmable features of the module such as scalars and alarm values and so on Block transfer reads are performed to retrieve information from the module Block transfer read BTR programming transmits status and data from the module to the processor data table The processor user program initiates the request to transfer data from the module to the processor The transferred words contain module status channel status and input data from the module Your program should monitor status bits block transfer read and block transfer write activity Publication 1794 6 5 12 September 2011 60 Program Your Module with PLC Family Processors Publication 1794 6 5 12 September 2011 PLC 2 Family Processor The 1794 Thermocouple RTD and Millivolt modules are not recommend
60. ix 5000 Online Help for detailed descriptions of the configuration parameters This chapter provided instructions and required parameters for setting up your FLEX I O module on an EtherNet IP netwotk Overview Configure Your Input Module Configurable Options and Their Effect on the Channels Chapter 4 Read and Write Configuration Maps for the FLEX 1 0 Module This chapter describes how to configure read data from and map data to your FLEX I O Thermocouple RTD and mV Input module Topic Page Configure Your Input Module 27 Configurable Options and Their Effect on the Channels 2 Sensor Types 29 Read Data From the Module 30 Map Data for the Module 30 Using Series A Functionality in a Series B Module 38 Chapter Summary 38 The Thermocouple RTD and mV input module is configured using a group of data table words mapped by the processor that is used when the connection to the module is established The software configurable features available are input range selection selectable single pole low pass filter data reported in F C K mV Q unipolar or bipolar count e fault detection There are two types of configurable options those that affect all channels and those that affect each group of 4 input channels Options that Affect All Channels Input Filter Selection This combination of bits allows you to select one of eight levels on input filtering The single pole low pass fil
61. l 0 bit 08 and so on Underrange Alarm Bits channel 0 bit 00 and so on 9 Ch7 Ch6 Ch5 Ch4 Ch3 Ch2 Ch1 ChO CJC 2 CJC 1 SAB Diagnostic Status Fit Fit Fit Fit Fit Fit Fit Fit Fit Fit 10 EDT command response EDT data response Where Fit Fault The CJC Status bit Read Word 9 Bit 3 is added with the Firmware C release of the 1794 IRT8 Series B module The CJC Status bit is turned On when the temperature between the CJCs is greater than 6 C but less than 12 C When this temperature difference is above 12 C then the CJC Alarm bits are set Also if a CJC temperrature is over range or under range then the associated CJC Alarm bit is set In this condition the CJC Status bit is not set The CJC Status bit does not exist in Series A Publication 1794 6 5 12 September 2011 44 Calibrate Your Module Config Word 3 EDT Command bits 8 15 Dec Hex EDT Calibration Command and Command Data Summary Config Word 3 bits 4 7 Channel No Config Word 3 bits 0 3 Command data 4 4 General calibration by channel 0 7 1 Channel internal current source and current sense resistor with 4 wire external 383 Q inputs Channel internal current source and current sense resistor with 4 wire external 100 Q inputs Loop channel compensation for 2 wire RTD CJC calibration 5 5 Offset calibration by channel ce EN gain 1 input 320
62. l the Flex 1 0 Digital DC Sourcing Input and Sinking Output Modules Catalog No 1794 IV16 1794 0V16 1794 OV16P Flex 1 0 Digital DC Sourcing Output Modules Installation Instructions publication 1794 IN094 Information on how to install the Flex 1 0 Digital DC Sourcirg Output Modules Catalog No 1794 0B8 1794 OB8EP 1794 0B16 1794 OB16P 1794 0B32P Flex 1 0 Input Output Module Installation Instructions publication 1794 IN083 Information on how to install the Flex 1 0 Input Output Modules Catalog No 1794 IB16XOB16P 1794 IB10XOB6 Flex 1 0 8 Output Relay Module Installation Instructions publication 1794 IN019 Information on how to install the Flex I O 8 Output Relay Modules Catalog No 1794 OW8 1794 0W8K 1794 0W8XT FLEX 1 0 Input Output and Input Output Analog Modules Installation Instructions publication 1794 IN100 Information on how to install the FLEX 1 0 Input Output and Input Output Analog Modules Catalog No 1794 IE8 1794 IEAXOE2 1794 OE4 1794 IE8K 1794 OE4K FLEX 1 0 Analog Module User Manual publication 1794 6 5 2 Information on how to install the FLEX 1 0 Analog Modules Catalog No 794 OE4 1794 IE8 1794 IE12 1794 0E12 1794 IEAXOE2 1794 IE8XOE4 1794 IEAXOE2XT 1794 IE8XT 1794 OE4XT FLEX 1 0 Isolated Analog Output Module Installation Instructions publication 1794 IN037 Information on how to install the FLEX 1 0 Isolated Analog Output Module Catalog No 17
63. le FlexBus connector is fully retracted into the base unit 3 Position the terminal base at a slight angle and hooked over the top of the 35 x 7 5 mm DIN rail A Allen Bradley part number 199 DR1 46277 3 ii e Allen Bradley O MODULE status NETWORK status Flext unk status HA OOOOOOOG QT QQ A we O A 124e 0000000202 edc o coooooo E CCO000000 45320 4 Slide the terminal base over tight against the adapter of proceeding terminal base Make sure the hook on the terminal base slides under the edge of the adapter or proceeding terminal base and the FlexBus connector is fully retracted Publication 1794 6 5 12 September 2011 12 Install Your FLEX 1 0 Input Module B Publication 1794 6 5 12 September 2011 5 Rotate the terminal base onto the DIN rail with the top of the rail hooked under the lip on the rear of the terminal base Use caution to make sure that the female FlexBus connector does not strike any of the pins in the mating male connector 6 Press down on the terminal base unit to lock the terminal base on the DIN rail If the terminal base does not lock into place use a screwdriver or similar device to open the locking tab press down on the terminal base until flush with the DIN rail and release the lo
64. n Maps for the FLEX 1 0 Module Table of Contents Summary of Changes New and Updated Information sdb nn tty anses usant iii Preface Who Should Use This Manual ix Purpose of the Manual siers expe bees do tot cete de Sven ix beat the Vocabulary xa d aia ate a EG D tee reno f Ix Related Documentation x Common Techniques Used in this Manual xii Chapter 1 usan cM RERUM CA ye Tog Mitel At 1 The FLEX System sii a3 a ies ah Ma ae ea d 1 Typ sof MOBDIGSS 1 504 riis arde he tuk She Vd e cobi dans ir Mas 2 What the PLEX I O Input Module Does 5 buone rre rh 2 The FLEX I O Module in a Logix Control System 3 Physical Features of Your Module Capp EE RIT ea ae ee 4 Chapter SUummaty sis e jute eta Stn eRe ES 5 Chapter 2 COV ELVIEW LE dde ee desees tea e dU Sibel oe ette ib ke 7 Before You Install Your Module 7 Series Aand SEES Da visse spese mp ees debes m Free 8 Power Requitements 4 eite pe eer Ser dw CREER SS 8 Install the Module se aient dr eR XE MAE Ba P exea es 10 Mount on a DIN Rail ves ERR RR REY bes 10 Mount on a Panel or Wall 13 Mount the FLEX I O Module on the Terminal Base Unit 14 Witine ORAN ote trie eit ad cas aste eren ar ae weet br trad 16 Connect Wiring to the FLEX I O Module 16 Identify RID Wite Palts en seca s E Mo ae ERE RAT 17 Cha
65. n oe E E Calibrate Your Input Module vx eve LA Eee E e Galibration Setup ocres ir X REESE ERR REACH Run BAR Wiring Connections for Calibrating the Thermocouple and RID pr Mod le ope oye er to ELE DRE RET Read and Write Words for Calibration EDT Calibration Command and Command Data Summaty Offset Calibration s ee p Gaia ig Botta ni eme Gain Calibration s e ue bec a RC RS es d Current Source Calibration Cold Junction Calibrators sens bs sock doy poa od tU as Channel Loop Compensation Calibration Chapter Summary iss pesas sane a eue ORAS LAS d Chapter 6 OVERVIEW dotate ee SR TV Ga and ES VS Cl tre EE LI ES Module Indicators 22 srl m ex ab e EXER Chapter Summary oa e oe e addi Qe RCM M Ac RECAP COE RR AGE RODA Appendix A COVCEVIGN oe en uires en atat dai thee optan scis lei err General SDOCHTCAHOBS S oo idees ose pu de arb b rita ted Environmental Specifications eh Os Lie Cert HCAEOTIS ey ced cea ARA EE Up eae RR IE E ta de hax ad Appendix B OVetVieW Lits near mens in eae pne usas pds EDS PIC o pe aate onl ad HUS rec Sa Dd EDS Installation oe eU RR RR A Programming Your Module with PLC Family Processors Safety Approvals Table of Contents vii Appendix C RIV CE VIOW ois t Dc o e Ue Paese rd de Sa hs ue dpud a ot 59 Enter Block Transter Insteaetionsus ananas ae eu ORE ROLE 59 PLC 2 Family PEOCGSSOES o Dette a ER EE 60 PIC 3 Family Processor
66. nd 4 wire Default for thermocouples is external CJC default for RTDs is 2 wire with no offsets Input Types This set of bits allows you to select one of two input types thermocouple millivolt or RTD resistance The default input type is thermocouple Reference Junction These bits allow you to select from seven fixed temperatures for the CJC value that is used by the module in thermocouple mode Use this mode when the ambient temperature surrounding the thermocouple connection point is known and steady The default temperature is 0 C 32 F Sensor Types Read and Write Configuration Maps for the FLEX 1 0 Module 29 Fault Mode You can enable or disable the fault detection When enabled in thermocouple mode each channel is monitored for an open circuit If an open is detected the overrange and fault bits are set for that channel and the channel data is set to the maximum value Series A or minimum value Series B for the chosen mode of operation When enabled in RTD mode each channel is monitored for an open circuit RTD and wires and short circuits RTD If an open is detected the overrange and fault bits are set for that channel and the channel data is set to the maximum value for the chosen mode of operation If a short is detected the underrange bits is set for that channel except when in Q mode The channel data is set to the minimum value for the chosen mode of operation RTD Offset You can select from
67. nection 17 disconnecting 19 fault mode 29 isolators 19 30 loop channel compensation 44 mode 29 offset 29 32 37 42 wire pairs 17 S Safety Extra Low Voltage SELV 56 sensor CJC 36 mode 24 25 32 28 35 42 RTD Type 29 RTD type 36 thermocouple type 29 36 type 24 32 28 29 35 36 series A 7 8 38 series B 7 8 38 43 shock 55 signal analog to binary 3 conductors 55 wiring 16 SLC 21 specification accuracy vs filter cutoff 53 cold junction compensation 54 common mode input range 53 common mode rejection 53 conducted RF immunity 56 data format 53 DIN rail 11 Publication 1794 6 5 12 September 2011 emissions 55 enclosure type rating 55 ESD immunity 55 general 53 indicators 54 isolation voltage 54 module location 53 nominal input voltage 53 number of inputs 53 open circuit 54 overall drift with temperature 54 overvoltage capability 54 radiated RF immunity 56 relative humidity 55 resolution 53 supply voltage 54 supported RTD 53 supported thermocouple 53 system throughput 54 temperature 55 vibration 55 wire size 55 status indicator diagnostic 43 fault 51 power 52 supply voltage 54 surge transient immunity 56 T T4 55 T4A 55 temperature ambient 28 code 55 non operating 55 operating 55 terminal base 1 2 7 10 13 55 installation 12 mounting 10 wiring 8 thermal dissipation 54 thermocouple 2 24 25 28 30 36 39 42 60 mode 8 resolution curves 65 wiring 18 tools precision resi
68. nents may impair suitability for Class Division 2 e f this product contains batteries they must only be changed in an area known to be nonhazardous Publication 1794 6 5 12 September 2011 e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher l quipement AVERTISSEMENT A e Couper le courant ou s assurer que l environnement est class non dangereux avant de d brancher les connecteurs Fixer tous lesconnecteurs externes reli s cet quipement l aide de vis loquets coulissants connecteurs filet s ou autres moyens fournis avec ce produit eLa substitution de composants peut rendre cet quipement inadapt une utilisation en environnement de Classe l Division 2 e S assurer que l environnement est class non dangereux avant de changer les piles Numerics 1756 CNB 57 1756 ENBT 21 1794 ACN15 3 1794 ACNR15 3 1794 ACNR15K 3 1794 ADN 3 1794 AENT 3 22 1794 APB 3 1794 APBDPV1 3 1794 ASB 3 1794 CJC2 2 54 1794 IRT8 ix 2 4 8 21 38 71 72 1794 IRT8K ix 2 71 72 1794 IRT8XT ix 2 71 72 1794 TB3G 7 14 15 16 18 38 39 53 54 1794 TB3GK 15 16 18 53 54 1794 TB3GS 7 14 15 16 18 38 39 53 54 A accuracy 65 adapter 1 2 12 14 alignment bar 15 groove 15 Allen Bradley 40 71 analog signals 3 backplane 7 15 base unit 15 Belden 8761 55 bipolar 27 bits CJC alarm 8 CJC fault 33 52 data format 28
69. ng fields Channel Sensor Sensor Mode Input Filter Cutoff Data Format Publication 1794 6 5 12 September 2011 24 Configure Your FLEX 1 0 Module with RSLogix 5000 Software Wil Module Properties AENT 2 1794 General Connection Module Info 1 Channel ss er IRTB 1 1 RTD Loop Compensation Channel 0 Sensor Thermocouple Channel 1 Sensor Type my Channel 2 Sensor Mode Estemal Compensation Detect Faults on these Channels Channel 3 Input Filter Cutoff Hardware Filter Only Thermocouple Internal Compensation Data Format Reference Junction Status Offline Configuration Parameters Cancel Apply Help Field Name Description Configuration Options Sensor Allows you to select the main sensor function of your Thermocouple module whether Thermocouple or RTD RTD You will need to configure your module based on this main configuration by specifying the next parameters Sensor Type Allows you to select one of nine thermocouple types For Thermocouple To help you select the or one of eight RTD types Default unit is mV for mV proper operating range thermocouples and ohms for RTDs Type B of your thermocouple Type E see Resolution Curves Type J for Thermocouples on TypeK page 65 Type TXK XKL L Type N Type R Type S Type T For RTD To help you specify the Resistance value for your RTD see
70. ngth 0 Continuous NO BT Timeout 4 Rung 1STEPO 1 The IRT8 module is located in rack 14 I O group 1 slot 0 The data sent to the IRT8 module from the PLC 5 250 processor is from the data table starting at 2BTD5 1 and with a default length of 0 is 4 words long Valid BTW lengths 0 1 2 3 and 4 IRT8 BTR IRT8 BTW IRT8 BTW Enable Bit Enable Bit Control File BR141 0 BW141 0 BTW 1 1 1 1 BLOCK TRANSFER WRITE EN 3 E 3 1 es Tha EN EN Group 1 Slot 0 on Control Block BW141 0 Data File 2BTD5 1 ER BT Length 0 Continuous NO BT Timeout 4 45568 Publication 1794 6 5 12 September 2011 64 Program Your Module with PLC Family Processors Notes Publication 1794 6 5 12 September 2011 Appendix D European Hazardous Location Approval Safety Approvals The 1794 IRT8 1794 IRT8K and 1794 IRT8XT modules are European Hazardous Location approved European Zone 2 Certification The following applies when the product bears the Ex or EEx Marking This equipment is intended for use in potentially explosive atmospheres as defined by European Union Directive 94 9 EC and has been foundto comply with the Essential Health and Safety Requirements relating to the design and construction of Category 3 equipment intended for use in potentially explosive atmospheres given in Annex II to this Directive Compliance with the Essential Health and Safety Requirements has been assured by compliance with
71. nication Between the Adapter and a Module 1794 ACN15 794 ACNR15 794 ACNR15K 794 ADN 794 AENT 794 APBDPV1 1 794 ASB 1794 APB The adapter transfers your configuration data External devices transmit analog signals to the Adapter module 1794 AENT shown FlexBus j zm O i EE DAN ents mooute status FT seed one 4 amp marr The adapter receives data AS from the modules and stores L I ADDRESS Vn it in the data table OOOOOOOOOOOOOOOO x y xiu Ea Og oo og oo og og sooo pale oat 22 00000000000000000 ere E 2g eee one one Tones ToT To ei OOOOOOOOOOOOOOOCOO 5 The adapter module determines that the transfer was made without error and The module converts input values are within specified range analog signals into binary format and stores these 6 values until the adapter Your ladder program can use and or requests their transfer move the data if valid before it is overwritten by the transfer of new data lt in a subsequent transfer 7 New configuration data can be sent to wie the module any time during operation Publication 1794 6 5 12 September 2011 3 4 Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module A broader vi
72. ompensation Input Filter Cutoff Allows you to select one of eight levels on input filtering The single pole low pass filtering is Hardware Filter Only default 25ms accomplished by the module micropro ssor The filter 100 ms selections range from Hardware Only to 5 s time 250 ms constant The times are approximate because they are 500 ms based on the module scan time which varies The 1s default is Hardware Only 25 5s Data Format Allows you to specify the format of the data reported C Module defaults to 4000 10000 in millivolt mode F and 0 5000 in mode with implied decimal points K i e 40 00mV 0 1 whenever C F K is selected 32767 32767 0 65535 7 After you have completed all the Module Configuration parameters click OK in the Module Properties dialog box Publication 1794 6 5 12 September 2011 26 Configure Your FLEX 1 0 Module with RSLogix 5000 Software Chapter Summary Publication 1794 6 5 12 September 2011 You should see the FLEX I O module in the I O Configuration tree 3 6 1 0 Configuration 1756 Backplane 1756 47 fa 0 1756 L63 IRT8_flex 6 1756 ENBT ENBT Ethernet 9 1794 AENT AENT FlexBus amp 9 0 1794 IRT8 1 1794 IRT8 amp 2 1794 IRT8 irt8 test BJ 1756 ENBT ENBT To be able to check if your configured parameters are acceptable and the configuration is successful you need to go online Refer to the RSLog
73. on 1794 IN102 Information on how to install the FLEX 1 0 AC Input Modules Catalog No 1794 IA8 1794 IA8I 1794 1A16 FLEX 1 0 Digital AC Output Modules Installation Instructions publication 1794 IN103 Information on how to install the FLEX 1 0 Digital AC Output Modules Catalog No 1794 0A8 1794 0A8K 1794 OA8I 1794 0A16 FLEX 1 0 220V AC Input and Output Modules Installation Instructions publication 1794 IN104 Information on how to install the FLEX 1 0 220V AC Input and Output Modules Catalog No 1794 IM8 1794 OM8 FLEX 1 0 Terminal Base Units Installation Instructions publication 1794 IN092 Information on how to install the FLEX I O Terminal Base Units Catalog No 1794 TB2 1794 TB3 1794 TB3K 1794 TB3S 1794 TB32 1794 TB3G 1794 TB3GK 1794 TB3GS 1794 TB3T 1794 TB3TS 1794 TBN 1794 TBNK 1794 TBNF Interconnect Cable Installation Instructions publication 1794 5 12 Information on how to install the Interconnect Cable Catalog No 1794 CE1 1794 CE3 Publication 1794 6 5 12 September 2011 xii Preface Resource Description FLEX 1 0 DC Power Supply Installation Instructions Information on how to install the FLEX 1 0 DC Power Supply publication 1794 IN069 Catalog No 1794 PS13 1794 PS3 Industrial Automation Wiring and Grounding Guidelines In depth information on grounding and wiring Allen Bradley programmable publication 1770 4 1 controllers Rockwell
74. ontains a terminal strip to terminate wiring for two or three wire devices I O module contains the bus interface and circuitry needed to perform specific functions related to your application Publication 1794 6 5 12 September 2011 2 Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Types of Modules What the FLEX 1 0 Input Module Does B Publication 1794 6 5 12 September 2011 The FLEX system consists of an adapter module terminal base unit DIN rail power supply and adapter cabling components You can use up to 8 terminal bases per adapter module For detailed instructions on how to set up and install your module refer to the topic Install Your FLEX I O Input Module on page 7 The module refer to the following catalogs Catalog No Voltage Inputs Description 1794 IRT8 24V DC 8 Analog 8 pt 16 bit non isolated RTD thermocouple and mV Input module 1794 IRT8K 24V DC 8 Analog 8 pt 16 bit non isolated RTD thermocouple and mV Input module Conformally coated module 1794 IRT8XT 24VDC 8 Analog 8 pt 16 bit non isolated RTD thermocouple and mV Input module designed for extended temperature The module accepts up to 8 thermocouple or RTD inputs The inputs are nonisolated and are selected with analog multiplexers The inputs accept millivolt or resistive inputs Default input spans ate 40 00 mV 4100 00 mV ot 0 0 500 0 Q Fault indicat
75. or caused by aging components in your system Offset calibration must be done first followed by gain calibration IMPORTANT You must use a 1794 TB3G or 1794 TB3GS terminal base when calibrating this module Calibration can be accomplished using the manual calibration procedure desctibed in the following sections Publication 1794 6 5 12 September 2011 40 Calibrate Your Module Tools and Equipment Calibrate Your Input Module Publication 1794 6 5 12 September 2011 To calibrate your Thermocouple RTD and mV input module you will need the following tools and equipment Tool or Equipment Description Precision Resistors High Precision Resistors 383 W 0 01 5ppm C 100 W 0 01 5ppm C 10 KO 0 5 5ppm C Precision Voltage Source 320 mV 1 uV resolution Analogic 3100 Data Precision 8200 or equivalent Industrial Terminal and Programming terminal for Allen Bradley family processors Interconnect Cable You must calibrate the module in a FLEX I Osystem The module must ATTENTION i communicate with the processor and an industrial terminal You can calibrate input channels in any order or all at once IMPORTANT To allow the internal module temperature to stabilize apply power to the module at least 20 minutes before calibration When using remote I O before calibrating your module you must enter ladder logic into the processor memory so that you can initiate block tr
76. ord 3 bits 00 15 as shown above Monitor the EDT response location read word 11 bits 00 15 for an echo of the EDT command Depending on which command you sent it should show 241X Hex If the EDT response word reads 80FF hex repeat the step 3 Make sure that sufficient time is allowed for the module to respond to your request If there is no change calibration has failed Check the wiring and try again Set the precision millivolt source to the value required for a gain of 2 Repeat steps 3 and 4 for gain 2 Repeat for each gain setting When all offset calibrations are successful proceed to the gain calibration Gain Calibration After completing the offset calibration proceed with the gain calibration 1 Connect a precision millivolt source across each input channel Set the source to 320 00 mV for a gain of 1 Connect all L signal terminals together and attach to the positive lead from the precision voltage source Connect all signal terminals together and attach to the negative lead Calibrate Your Module 47 EDT Commands for Gain Calibration All Channels Single Channel EDT Command EDT Command EDT Data Command Dec or Hex Gain Input mV Hex Decimal a Fa Bits Bits Selected LL 4 7 0 3 1 320 00 0 064 mV 2420 9248 06 0 7 0 2 320 00 0 032 mV 2421 9249 06 0 7 1 4 110 0 016 mV 2422 9250 06 0 7 2 8 70 00 0 008 mV 2423 9251 06 0 7 3 16 29 00 0
77. ors are located on the field side No switches or jumpers are used on the TC and RTD Input module The inputs have both fixed hardware filters and selectable firmware digital filters The module is a high speed high accuracy temperature and millivolt measuring module that accepts thermocouple inputs 2 3 and 4 wire RTD inputs and mV source inputs It offers the following wire off over range and under range detection good common mode rejection usage with long thermocouple wiring usage with grounded or ungrounded thermocouples The Series B version of 1794 IRT8 provides capability to work with grounded thermocouples Use cold junction compensators cat no 1794 CJC2 in thermocouple mode Two cold junction compensators are shipped with the 1794 IRTS The FLEX 1 0 Module in a Logix Control System Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module The FLEX I O Thermocouple RTD and Millivolt modules are intelligent modules that interface analog signals with Rockwell Automation programmable controllers through a FLEX I O adapter module The adapter transfers data to and from the module These transfers allow the adapter to obtain input or output values and status from the module the user to establish the mode of operation through a process called configuration The following illustration shows the flow of communication between the adapter and the I O module Typical Commu
78. pter Summarys is ees AG Pes E ue Rp ee a c tt 20 Chapter 3 OVERVIEW Sis tote t dpt t Mtm s BEY OL ts et 21 Add and Configure the FLEX I O Module 21 Chapter Summatyoso d esce eut qaod Fem qe CAR a E RUN A i ea 26 Chapter 4 asas lcg P EE pete es 27 Configure Your Input Module 555 2 d t er in hee o 27 Configurable Options and Their Effect on the Channels 27 Options that Affect All Channels 25 eri PER Cn acetals 27 Options that Affect Each Group of Four Inputs 28 Sensor Types d ooh bodies sanyo he weed eve s E e E ey 29 Read Data From the Module 30 Publication 1794 6 5 12 EN E September 2011 vi Table of Contents Calibrate Your Module Troubleshoot the Module Specifications Electronic Data Sheet EDS Files Publication 1794 6 5 12 EN E September 2011 Map Data for the Module oiu ovre e hr ees D en nse wet ed Thermocouple and RTD Input Module Image Table Mappings Mak prose CHE d Nes ris stt E Block Transfer Read and Write Bit Word Descriptions for the Input Module Block Transfer R ad WOES sas aede oct v s as oes ive Sec ed Using Series A Functionality in a SetiesBModulezc3 vb eR on ren ti Oi quee Chapter Summa i uo ees Reds vel 4e bo pda dew bbs dro ab Ra ane Chapter 5 OVERVIEW 1 de es sibi e n Mn RACER CGU oe When and How to Calibrate Your FLEX I O Module Toolsand Equipment Jc sur peo oo yee Re
79. quipment in your system are subject to investigation by the local Authority Having Jurisdiction at the time of installation North American Hazardous The 1794 IRT8 1794 IRT8K and 1794 IRT8XT modules are North American Hazardous Location approved Informations sur l utilisation de cet quipement en environnements dangereux Les produits marqu s CL I DIV 2 GP A B C D ne conviennent qu une utilisation en environnements de Classe Division 2 Groupes A B C D dangereux et non dangereux Chaque produit est livr avec des marquages sur sa plaque d identification qui indiquent le code de temp rature pour les environnements dangereux Lorsque plusieurs produits sont combin s dans un syst me le code de temp rature le plus d favorable code de temp rature le plus faible peut tre utilis pour d terminer le code de temp rature global du syst me Les combinaisons d quipements dans le syst me sont sujettes inspection par les autorit s locales qualifi es au moment de l installation EXPLOSION HAZARD A e Do not disconnect equipment unless power has been removed or the area is known to be nonhazardous e Do not disconnect connections to this equipment unless power has been removed or the area is known to be nonhazardous Secure any external connections that mate to this equipment by using screws sliding latches threaded connectors or other means provided with this product e Substitution of compo
80. s above the maximum range of the input channel or 2 an input is disconnected Bit 08 10 corresponds to channel 0 bit 09 11 corresponds to channel 1 and so on Read Word 9 00 03 Diagnostic bits represent module configuration and or hardware errors Bit 03 02 01 00 0 0 0 0 Reserved for factory use 0 0 1 0 Improper module configuration 0 1 1 0 RAM aultf 0 1 1 1 EEPROM fault 0001 0100 and 0011 1111 Reserved for factory use 04 Series of Unit SAB 0 Series A 1 Series B 05 06 Cold junction compensation fault bits These bits are set 1 when the corresponding cold junction compensator lead is broken unattached or shorted and the thermocouple is set to external compensation Bit 05 corresponds to CJC1 and bit 06 to CJC2 07 Not used 08 15 Fault alarm hits An alarm bit is set 1 when an 10 17 individual input lead opens broken disconnected If the alarm is enabled the channel reads maximum value Bit 08 10 corresponds to input channel 0 bit 09 11 to channel 1 and so on Publication 1794 6 5 12 September2011 g 34 Read and Write Configuration Maps for the FLEX 1 0 Module Word Dec Bits Description Octal Bits Read Word 10 00 07 Extended data table data response bits These bits echo the EDT command data written to the module during calibration 08 14 Extended data table command response bits 10 16 These
81. s applied to the module B Publication 1794 6 5 12 September 2011 Chapter Summary Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Module Label and Indicators 1794 IRT8 Module type m Ta Removable label Wu Allen Bradley 1791 IRT8 em CRD INPUTS CHANNEL EEEEEEEEEEEEEEEEEENSIN Q Keyswitch 3 ES k E position indicator 3 INO IN 1 IN2 IN3 IN4 INS ING INT m P F F F F F IL L Power on indicator Input designators 45317 In this chapter you were introduced to the FLEX I O system and the Thermocouple RTD and mV input module and how it communicates with programmable controllers Publication 1794 6 5 12 September 2011 5 6 Overview of FLEX 1 0 and Your Thermocouple RTD and Millivolt Input Module Notes B Publication 1794 6 5 12 September 2011 Chapter 2 Overview Before You Install Your Module Install Your FLEX 1 0 Input Module This chapter provides you with pre installation requirements and instructions on how to install your FLEX I O Thermocouple RTD and Millivolt Input module Topic Page Before You Install Your Module 7 Series A and Series B 8 Power Requirements 8 Install the Module 10 Mount on a DIN Rail 10 Mount on a Panel or Wall 13 Mount the FLEX 1 0 Module on the Terminal Base Unit 14 Wiring Information
82. software if using a series B product to replace a ATTENTION series A product the module will be accepted without an electronic key mismatch warning This is true for 1794 IRT8 and 1794 IRT8XT modules installed on Ethernet IP ControlNet or Remote 1 0 networks A The CJC Status bit Read Word 9 Bit 3 is added with the Firmware C release of the 1794 IRT8 Series B module The CJC Status bit is turned On when the temperature between the CJCs is greater than 6 C but less than 12 C When this temperature difference is above 12 C then the CJC Alarm bits are set A Also if a CJC temperrature is over range or under range then the associated CJC Alarm bit is set In this condition the CJC Status bit is not set The CJC Status bit did not exist in Series A The wiring of the terminal base unit is determined by the current draw through the terminal base Make certain that the current draw does not exceed 10 A Power Requirements ATTENTION Total current draw through the terminal base unit is limited to 10 A Separate power connections may be necessary B Publication 1794 6 5 12 September 2011 Install Your FLEX 1 0 Input Module 9 Do not daisychain power or ground from the terminal base unit to any TENTI i j AC or DC digital module terminal base unit Methods of wiring the terminal base units are shown in the illustration below Daisychain TC RTD mV TC RTD mV TC RTD mV Analog
83. stors 40 precision voltage source 40 calibration 40 interconnect cable 40 troubleshoot 51 U unipolar 27 V vibration 55 voltage supply 54 W wire type 55 wire pairs 3 wire RTD 17 4 wire RTD 17 Index 71 connecting 17 wiring category 55 combination 9 connections 18 41 terminal base 8 41 write words data format 42 filter time constants 34 input type 36 RTD Type 35 sensor mode 37 sensor type 36 Z Zone 2 71 Publication 1794 6 5 12 September 2011 72 Index Notes Publication 1794 6 5 12 September 2011 Index 73 Publication 1794 6 5 12 September 2011 Rockwell Automation Support Rockwell Automation provides technical information on the Web to assist you in using its products At http www rockwellautomation com support you can find technical manuals a knowledge base of FAQs technical and application notes sample code and links to software service packs and a MySupport feature that you can customize to make the best use of these tools For an additional level of technical phone support for installation configuration and troubleshooting we offer TechConnect support programs For more information contact your local distributor or Rockwell Automation representative or visit http www rockwellautomation com support Installation Assistance If you experience a problem within the first 24 hours of installation review the information that is contained in this manual You can
84. tering is accomplished by the module Publication 1794 6 5 12 September 2011 28 Read and Write Configuration Maps for the FLEX 1 0 Module B Publication 1794 6 5 12 September 2011 microprocessor The filter selections range from Hardware Only to 5 s time constant The times are approximate because they are based on the module scan time which varies The default is Hardware Only Data Format Selection This set of bits allows you to select one of these five formats e Degree C Degree F e Degree K e Unipolar The end points for Unipolar are scaled to the end points of the thermocouple or RTD range The default unit is mV Bipolar The end points for Bipolar are scaled to the end points of the thermocouple or RTD range It uses Qas default unit Options that Affect Each Group of Four Inputs Sensor Type This set of bits allows you to select one of nine thermocouple types or one of eight RTD types Default unit is mV for thermocouples and ohms for RTDs Sensor Mode This set of bits allows you to select the operational mode for the thermocouple or RTD inputs For thermocouple inputs you can choose the cold junction compensation mode internal external no CJC and differential measurement between 2 channels for example the value of channel 0 minus the value of channel 1 appears in the channel 0 and channel 1 data table locations For RTD inputs you can choose 2 wire 2 wire with user selected RTD offset 3 wire a
85. this configuration Individual Use this type of of configuration for any noisy DC digital 1 0 modules in your system e Combination All modules powered by the same power supply must be analog or TC RTD and mV modules for the combination type of configuration Installation of the FLEX I O module consists of mounting the terminal base unit installing the TC RTD and mV module into the terminal base unit installing the connecting wiring to the terminal base unit If you are installing your module into a terminal base unit that 1s already installed proceed to the section Mount the FLEX I O Module on the Terminal Base Unit on page 14 Mount on a DIN Rail Do not remove or replace a terminal base unit when power is applied ATTENTION Interruption of the FlexBus can result in unintended operation or machine motion Install the Terminal Base Unit 1 Remove the cover plug in the male connector of the unit to which you are connecting this terminal base unit Install Your FLEX 1 0 Input Module 11 2 Check to make sure that the 16 pins in the male connector on the adjacent device are straight and in line so that the mating female connector on this terminal base unit will mate correctly TEES Allen Bradley O MobuLE STATUS D NETWORK status O LINK status OO00000000 OO000 9ODCOOOOOCOOOOOCO Tus Make certain that the fema
86. ting programmable controller system It also provided the user with instructions on how to wire to a terminal base unit B Publication 1794 6 5 12 September 2011 Chapter 3 Configure Your FLEX 1 0 Module with RSLogix 5000 Software Overview This chapter describes how to configure the FLEX I O Thermocouple RTD and mV module for the ControlLogix and CompactLogix system using the RSLogix 5000 software The 1794 IRT8 module can communicate through different netwotks such as ControINet Ethernet Profibus among others In the examples below the Ethernet adapter is used for communication between the Logix processor and the FLEX I O bus If using an SLC controller with ControlNet refer to the associated 1 0 scanner documentation A If using a PLC 5 controller refer to the PLC 5 controller documentation for ControlNet configuration information You need to follow these series of steps to fully configure your FLEX I O module in the RSLogix 5000 software 1 Add and configure the new local bridge module such as 1756 ENBT to your project This user manual assumes you have already properly configured this module Refer to the associated documentation 2 Add and configure the new adapter module such as a FLEX I O EtherNet Adapter 1794 AENT This user manual assumes you have already properly configured this module Refer to the associated documentation 3 Add and configure your FLEX I O module See the steps provided
87. tion Wiring and Grounding Guidelines publication 1770 4 1 4 Hold the adapter at a slight angle and engage the top of the mounting plate in the indention on the rear of the adapter module 5 Press the adapter down flush with the panel until the locking lever locks 6 Position the terminal base unit up against the adapter and push the female bus connector into the adapter 7 Secure to the wall with two 6 self tapping screws 8 Repeat for each remaining terminal base unit Mount the FLEX 1 0 Module on the Terminal Base Unit The Thermocouple RTD and mV input module mounts on a 1794 TB3G or 1794 TB3GS terminal base unit Install Your FLEX 1 0 Input Module 15 1 Rotate keyswitch 3 on terminal base unit 4 clockwise to position 3 as required for the module Do not change the position of the keyswitch after wiring the terminal base unit UTD LEE UELLE D ue LT LEGS LEELA LL DLL LL LLL LG LAA 7 SS 40231 Label here or under here _ Description Description 1 FexBus connector 5 Base unit 2 Latching mechanism 6 Alignment groove 3 Keyswitch 7 Alignment bar 4 Cap plug 8 Module 2 Make cettain the FlexBus connector 1 is pushed all the way to the left to connect with the neighboring terminal base or adapter You cannot install the module unless the connector is fully extended 3 Make sure the pins on the bottom of the module are str
88. ublication 1794 6 5 12 September 2011 Wiring Connections for the FLEX 1 0 Input Module Connect the following Input types H L Shield RTD 2 wire 1 2 RTD 3 wire 3 1 2 RTD 4 wire la 2a 1 2 Thermocouple 1 2 Millivolt 1 2 f Terminals 37 38 and 39 and 46 47 and 48 are for cold junction compensation with 38 and 47 as chassis GND CJC Sensor Input Chassis CJC Tail Ground CJC1 C 37 C 38 C 39 A 5 B 22 CJC2 C 46 C 47 C 48 A 12 B 29 f Terminals 37 38 and 39 and 46 47 and 48 are for cold junction compensation with 38 0 terminal 5 and CJC2 to terminal 12 7 are configured for thermocouples Connect the tail of CJC1 to terminal 22 and CJC2 to 29 if channels 4 7 are configured for thermocouples and 47 as chassis GND Connect the tail of CUC1 if channels 0 3 or 0 Terminal Base Unit Wiring Connections 1794 TB3G 1794 TB3GK and 1794 TB3GS Terminal Base Units RTD or TC High Signal Low RTD Source Signal Channel Terminal H Signal Current Return Terminal L 0 A 1 A 2 A 0 A 3 1 A 5 A 6 A 4 A 7 2 A 9 A 10 A 8 A 11 3 A 13 A 14 A 12 A 15 4 B 18 B 19 B 17 B 20 5 B 22 B 23 B 21 B 24 6 B 26 B 27 B 25 B 28 7 B 30 B 31 B 29 B 32 24V DC Power 34 and 50 24V DC Common 35 and 51 t Terminals 37 38 and 39 and 46 47 and 48 are for cold junction compensation Terminals 16
89. urrent 54 female 10 male 10 controller 21 ControlLogix 21 57 ControlNet 4 8 21 C Tick 56 current draw 8 current source calibration 47 D daisychain 9 17 data format bipolar 28 unipolar 28 data table 27 detection over range 2 under range 2 wire off 2 diagnostics 51 52 digital module 9 dimensions 54 DIN rail 2 11 dissipation power 54 drilling dimension 13 points 12 Publication 1794 6 5 12 September 2011 E EDT command 32 45 46 47 48 data response 34 response 46 48 49 EFT B immunity 56 Electronic Data Sheet EDS 58 emissions 55 EN 60079 0 71 EN 60079 15 71 enclosure 7 type rating 55 equipment 40 ESD immunity 55 Ethernet adapter 21 EtherNet IP 4 8 explosion hazard 72 F fault alarm 33 52 channel 32 detection 27 EEPROM 52 mode 29 RAM 52 filter single pole 28 firmware 8 FLEX 1 0 39 components 1 millivolt 7 27 53 RTD 7 27 53 system 12 39 40 thermocouple 7 27 53 FLEX system 1 2 FlexBus 3 10 11 12 15 frequency input indicators 51 G gain 39 40 46 H hazardous location European 71 North American 72 humidity 39 indicator 54 input channels 40 default 28 designators 5 filter 24 25 range 30 resistive 2 type 36 37 installation connecting wiring 10 hazardous location 15 instructions 7 mounting 10 requirements 7 terminal base 12 IP54 protection 71 isolation mode 8 K keyswitch 7 14 15 54 L ladder logic 40 59 latching mechanism 15 Logix
90. when using a Series B module attach ajumper from terminal 39 to terminal 48 on the 1794 TB3G 1794 TB3GS or 1794 TB3GK terminal base unit so that an open input will default to max value Open input detection time Immediate detection 2 scans max Overvoltage capability 15V DC continuous at 25 C Overall drift with 50 ppm C of span temperature max Cold junction 20 100 C compensation range Cold junction compensator Allen Bradley catalog number 1794 CJC2 Indicators 1 green power status indicator 8 red open input indicators FlexBus current 40 mA Power dissipation max 3 0 W 31 2V DC Thermal dissipation max 10 2 BTU hr 31 2V DC Keyswitch position 3 External DC power supply voltage Voltage range 24V DC nom Supply current 95 mA 24V DC Dimensions with module 94 x 94 x 69 mm installed in base HxWxD approx 3 7 x 3 7 x 2 7 in Temperature code IEC T4 General Specificat Attribute Temperature code North American Specifications ions Value T4A 55 Enclosure type rating None open style Wire size Determined by installed terminal base Signal conductors Thermocouple Use appropriate shielded thermocouple wire Millivolt Belden 8761 Wire type Shielded on signal ports Wiring category 2 on signal ports 3 on power ports Terminal screw torque for cage clamp terminal base V
91. x repeat step 3 Make sure that sufficient time is allowed for the module to respond to your request If there is no change calibration has failed Check the wiring and try again Channel Loop Compensation Calibration Each 2 wire RTD can be calibrated individually or at the same time Proceed as follows 1 Short circuit the end of each input cable at the RTD element Do this for all the channels to be calibrated 2 Apply power to the module for 20 minutes before calibrating 3 Initiate a write to the module with 2403 hex calibrate all channels in the EDT command location write word 3 bits 00 15 For individual channel calibrations use 04X3 hex 0403 0413 0423 0473 4 Monitor the EDT response location read word 1X bits 00 15 for an echo of the EDT command If the EDT response word reads 80FF hex repeat step 3 Make sure that sufficient time is allowed for the module to respond to your request If there is no change calibration has failed Check the wiring and try again This chapter provided the user with instructions on how to calibrate your FLEX I O Thermocouple RTD and mV input module Publication 1794 6 5 12 September 2011 50 Calibrate Your Module Notes Publication 1794 6 5 12 September 2011 Chapter 6 Troubleshoot the Module Overview This chapter provides a description of the different status indicators for the l FLEX I O Thermocouple RTD and mV module to help you

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