Related Manuals for Rockwell Automation Allen-Bradley 794-IRT8
Summary of Contents for Rockwell Automation Allen-Bradley 794-IRT8
- Page 1 FLEX I/O Thermocouple, RTD, and Millivolt Input Modules Catalog Numbers 1794-IRT8, 1794-IRT8K, 1794-IRT8XT User Manual...
- Page 2 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.
-
Page 3: Summary Of Changes
Summary of Changes This manual contains new and updated information. 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. New and Updated Information Changes Page Addition of two catalogs –... - Page 4 Summary of Changes Notes: Publication 1794-6.5.12 - September 2011...
-
Page 5: Table Of Contents
Table of Contents Summary of Changes New and Updated Information ....... iii Preface Who Should Use This Manual. - Page 6 Table of Contents Map Data for the Module ........30 Thermocouple and RTD Input Module Image Table Mapping .
- Page 7 Table of Contents Appendix C Overview..........59 Programming Your Module Enter Block Transfer Instructions.
- Page 8 Table of Contents viii Notes: Publication 1794-6.5.12-EN-E - September 2011...
-
Page 9: Preface
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 • related documentation • conventions used in this manual • terminology used in this manual We assume that you have previously used an Allen-Bradley programmable Who Should Use This controller, that you are familiar with its features, and that you are familiar with... -
Page 10: Related Documentation
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 Description FLEX I/O Product Profile, publication 1794-PP019 xxxxx Comprehensive product profile for the FLEX I/O product line. - Page 11 Preface Resource Description FLEX I/O 4 Isolated Input Module Installation Instructions, Information on how to install the FLEX I/O 4 Isolated Input Module publication 1794-IN038 xxxxxxxxxxxxx (Catalog No. 1794-IF4I). FLEX I/O 2 In/2 Out Isolated Analog Combo Module Information on how to install the FLEX I/O 2 In/2 Out Isolated Analog Combo Installation Instructions, publication 1794-IN039 Module (Catalog No.
-
Page 12: Common Techniques Used In This Manual
Industrial Automation Wiring and Grounding Guidelines, In-depth information on grounding and wiring Allen-Bradley programmable publication 1770-4.1 xxxxxxxxxxxxx controllers. Rockwell Automation Industrial Automation Glossary, A glossary of industrial automation terms and abbreviations. AG-7.1 xxxxxxxxxxxxx The following conventions are used throughout this manual: Common Techniques Used in this Manual •... -
Page 13: Overview
Chapter Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module This chapter provides a description of the FLEX I/O Thermocouple, RTD, Overview and Millivolt Input module and an overview of how it communicates with programmable controllers. Topic Page The FLEX System Types of Modules... -
Page 14: Types Of Modules
Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module 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. -
Page 15: The Flex I/O Module In A Logix Control System
Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module The FLEX I/O Thermocouple, RTD, and Millivolt modules are intelligent The FLEX I/O Module in a modules that interface analog signals with Rockwell Automation Logix Control System programmable controllers through a FLEX I/O adapter module. -
Page 16: Physical Features Of Your Module
Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module A broader view 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 PanelView Station FLEX System 1794 adapter... -
Page 17: Chapter Summary
Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module Module Label and Indicators 1794-IRT8 Module type Removable label 1794-IRT8 TC RTD INPUT 8 CHANNEL Keyswitch position indicator (#3) IN 0 IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7... - Page 18 Overview of FLEX I/O and Your Thermocouple, RTD, and Millivolt Input Module Notes: Publication 1794-6.5.12 - September 2011...
-
Page 19: Chapter 2 Overview
Chapter Install Your FLEX I/O Input Module This chapter provides you with pre-installation requirements and instructions Overview on how to install your FLEX I/O Thermocouple, RTD, and Millivolt Input module. Topic Page Before You Install Your Module Series A and Series B Power Requirements Install the Module Mount on a DIN Rail... -
Page 20: Series A And Series B
Install Your FLEX I/O 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... - Page 21 Install Your FLEX I/O Input Module Do not daisychain power or ground from the terminal base unit to any ATTENTION 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...
-
Page 22: Install The Module
Install Your FLEX I/O Input Module Note the following considerations for each type of wiring ATTENTION configuration: • Daisychain – AIl modules must be analog or TC, RTD, and mV modules for this configuration. • Individual – Use this type of of configuration for any "noisy" DC digital I/O modules in your system. - Page 23 Install Your FLEX I/O Input Module 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. 45319 Make certain that the female FlexBus connector is fully retracted into the base unit.
- Page 24 Install Your FLEX I/O Input Module 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.
-
Page 25: Mount On A Panel Or Wall
Install Your FLEX I/O Input Module 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. •... -
Page 26: Mount The Flex I/O Module On The Terminal Base Unit
Install Your FLEX I/O Input Module 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 35.5 58.5 35.5 58.5 35.5 (1.4) (2.3) (1.4) (2.3) (1.4) Millimeters (Inches) - Page 27 Install Your FLEX I/O Input Module 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. 40231 Label here or under here Description Description FlexBus connector...
-
Page 28: Wiring Information
Install Your FLEX I/O Input Module 6. Remove cap plug and attach another terminal base unit to the right of this terminal base unit if required. Make sure the last terminal base has the cap plug in place. The adapter is capable of addressing eight modules. Do not exceed a IMPORTANT maximum of eight terminal base units in your system. -
Page 29: Identify Rtd Wire Pairs
Install Your FLEX I/O Input Module Signal wiring shields can be connected to terminals 16 or 33 on row B or terminals 40…45 on row C. 2. Connect the +V DC power lead to terminal 34 on row C, terminals 34…51. - Page 30 Install Your FLEX I/O Input Module Wiring Connections for the FLEX I/O Input Module 2-wire Connect the following: Input types Shield RTD – 2-wire 3-wire RTD – 3-wire RTD – 4-wire Thermocouple 4-wire Thermocouple Millivolt Terminals 37, 38 and 39 and 46, 47 and 48 are for cold junction compensation, with 38 and 47 as chassis GND.
- Page 31 Install Your FLEX I/O Input Module 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. If using RTD isolators, use 2- or 4-wire configurations only, and add IMPORTANT digital filtering to the inputs.
-
Page 32: Chapter Summary
Install Your FLEX I/O Input Module Example of Millivolt Wiring to a 1794-TB3G Terminal Base Unit Millivolt Source Millivolt Source Millivolt Source Millivolt Source 13 14 0...15 16...33 34...51 45330 This chapter provided the user with installation prerequisites and instructions Chapter Summary for the FLEX I/O Input module in an existing programmable controller system. -
Page 33: Chapter 3 Overview
Chapter Configure Your FLEX I/O Module with RSLogix 5000 Software This chapter describes how to configure the FLEX I/O Thermocouple, RTD, Overview and mV module for the ControlLogix and CompactLogix system using the RSLogix 5000 software. The 1794-IRT8 module can communicate through different networks such as ControlNet, Ethernet, Profibus, among others. - Page 34 Configure Your FLEX I/O 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. Select New Module. 2. The Select Module dialog appears. Select the FLEX I/O module and click OK.
- Page 35 Configure Your FLEX I/O Module with RSLogix 5000 Software 4. Click the Connection tab. Specify a value for the Requested Packet Interval (RPI). 5. Click the Module Info tab to see Module Identification and Status information. These fields are populated when the module goes online. 6.
- Page 36 Configure Your FLEX I/O Module with RSLogix 5000 Software Configuration Parameters Field Name Description Configuration Options Sensor Allows you to select the main sensor function of your Thermocouple module, whether Thermocouple or RTD. You will need to configure your module based on this main configuration by specifying the next parameters.
- Page 37 Configure Your FLEX I/O Module with RSLogix 5000 Software Configuration Parameters Field Name Description Configuration Options Sensor Mode Allows you to select the operational mode for the For a description of the For Thermocouple different sensor mode thermocouple or RTD inputs. For thermocouple inputs, External compensation you can choose the cold junction compensation mode.
-
Page 38: Chapter Summary
Configure Your FLEX I/O Module with RSLogix 5000 Software You should see the FLEX I/O module in the I/O Configuration tree. To be able to check if your configured parameters are acceptable and the configuration is successful, you need to go online. Refer to the RSLogix 5000 Online Help for detailed descriptions of the configuration parameters. -
Page 39: Chapter 4 Overview
Chapter Read and Write Configuration Maps for the FLEX I/O Module This chapter describes how to configure, read data from, and map data to your Overview FLEX I/O Thermocouple, RTD, and mV Input module. Topic Page Configure Your Input Module Configurable Options and Their Effect on the Channels Sensor Types Read Data From the Module... -
Page 40: Options That Affect Each Group Of Four Inputs
Read and Write Configuration Maps for the FLEX I/O Module 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: •... -
Page 41: Sensor Types
Read and Write Configuration Maps for the FLEX I/O Module 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. -
Page 42: Read Data From The Module
Read and Write Configuration Maps for the FLEX I/O Module RTD Type Thermocouple Type Nickel α = 0.00672 (-80 +320 °C) (-112…608 °F) R -50 1768 °C (-58 3214 °F) Ω … … … Copper α = 0.00427 (-200 +260 °C) (-328…500 °F) S -50 1768 °C (-58 3214 °F) -
Page 43: Thermocouple And Rtd Input Module Image Table Mapping
Read and Write Configuration Maps for the FLEX I/O Module module uses up to 11 words of input data and up to 4 words of output data. Each word is composed of 16 bits. Thermocouple and RTD Input Module Image Table Mapping Module Image Input Data Channel 0 Input Data Channel 1... -
Page 44: Read Words
Read and Write Configuration Maps for the FLEX I/O Module Input Map (Block Transfer Read) Dec. Oct. 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 Ch 7... - Page 45 Read and Write Configuration Maps for the FLEX I/O Module Read Word 3 00…15 Channel 3 Input data (00…17) Read Word 4 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)
- Page 46 Read and Write Configuration Maps for the FLEX I/O 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 –...
- Page 47 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Descriptions for Block Transfer Write Words Word Dec. Bits Description (Octal Bits) Write Word 0 Bits 08…11 10 09 08 Data type for channels 0…7 (10…13) (continued) °C (implied decimal point xxxx.x) °F (implied decimal point xxxx.x) °K (implied decimal point xxxx.x) -32767…+32767...
- Page 48 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Descriptions for Block Transfer Write Words Word Dec. Bits Description (Octal Bits) Write Word 1 External compensation – uses cold junction sensors. Both CJC sensors must be (continued) used when external compensation is selected. Internal compensation –...
- Page 49 Read and Write Configuration Maps for the FLEX I/O Module Bit/Word Descriptions for Block Transfer Write Words Word Dec. Bits Description (Octal Bits) T -270…400 °C (-454…752 °F) 1010…1111 not used Bits 12…13 Sensor Mode Select bits (14…15) 12 Sensor mode select for channels 4…7 Thermocouple External compensation –...
-
Page 50: Using Series A Functionality In A
Read and Write Configuration Maps for the FLEX I/O 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. -
Page 51: Chapter 5 Overview
Chapter Calibrate Your Module This chapter provides the tools and equipment, and procedure for calibrating Overview your FLEX I/OThermocouple, RTD, and mV input module. Topic Page When and How to Calibrate Your FLEX I/O Module Tools and Equipment Calibrate Your Input Module Calibration Setup Wiring Connections for Calibrating the Thermocouple and RTD Input Module... -
Page 52: Tools And Equipment
Calibrate Your Module To calibrate your Thermocouple, RTD, and mV input module, you will need Tools and Equipment 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 KΩ, 0.5%, 5ppm/°C 320 mV, 1 μV resolution Precision Voltage Source... -
Page 53: Calibration Setup
Calibrate Your Module Calibration Setup Using Precision Resistors - for 383 Ω and 100 Ω calibration 13 14 Using Precision Voltage Source - for offset and gain calibration 45357 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 one 10 K Ω, 0.5% resistor across terminals 37 and 39 and another across 46 and 48. -
Page 54: Read And Write Words For Calibration
Calibrate Your Module Wiring to the 1794-TB3G and 1794-TB3GS Terminal Base Units RTD or 1794-TB3G and 1794-TB3GS Terminal Base Units Thermocouple High Signal Low Signal RTD Source Signal Return Channel Terminal (H) Terminal (L) Current (+) 24V DC Power 34 and 50 24V DC 35 and 51 Common... - Page 55 Calibrate Your Module Read Words for Calibration Decimal Octal Word⇓ Read Channel 5 Input Data Channel 6 Input Data Channel 7 Input Data Overrange Alarm Bits (channel 0 = bit 08, and so on.) Underrange Alarm Bits (channel 0 = bit 00, and so on.) CJC 2 CJC 1 Diagnostic Status...
-
Page 56: Edt Calibration Command And Command Data Summary
Calibrate Your Module EDT Calibration Command and Command Data Summary Config Word 3 Meaning Config Word 3 Config Word 3 Meaning EDT Command bits 4…7 bits 0…3 bits 8…15 Dec. (Hex) Channel No. Command data 4 (4) General calibration 0…7 Channel internal current source by channel and current sense resistor, with... -
Page 57: Offset Calibration
Calibrate Your Module Config Word 3 Meaning Config Word 3 Config Word 3 Meaning EDT Command bits 4…7 bits 0…3 bits 8…15 gain = 2, input = 0.0 mV gain = 4, input = -50 mV gain = 8, input = -10.0 mV gain = 16, input = -9 mV gain = 32, input = 1.0 mV Gain calibration all... -
Page 58: Gain Calibration
Calibrate Your Module EDT Commands for Offset Calibration All Channels Single Channel EDT Command EDT Command Command Data Dec. or Hex Dec. or Hex … Bits 8 Gain Input (mV) Decimal Bits Bits … … Selected -10.00 + 0.008 mV 2413 9235 …... -
Page 59: Current Source Calibration
Calibrate Your Module EDT Commands for Gain Calibration All Channels Single Channel EDT Command EDT Command Data Command Dec. or Hex Dec. or Hex Gain Input (mV) Decimal Bits Bits … Bits 8 … … Selected -320.00 + 0.064 mV 2420 9248 …... - Page 60 Calibrate Your Module 3. Initiate a write to the module with 2401 (hex) value in EDT command location (word 3, bits 00…15), as shown, for calibrating all channels at once. For individual channel calibrations, use the 04X1 (hex) (0401, 0411, 0421, ...0471 hex). 4.
-
Page 61: Cold Junction Calibration
Calibrate Your Module Cold Junction Calibration Both cold junction compensation inputs must be calibrated at at the same time. To calibrate both at once, proceed as follows: Ω 1. Connect 10 K , 0.5% resistors across terminals 37 and 39 (CJC 1) and terminals 46 and 48 (CJC 2). - Page 62 Calibrate Your Module Notes: Publication 1794-6.5.12 - September 2011...
-
Page 63: Chapter 6 Overview
Chapter Troubleshoot the Module This chapter provides a description of the different status indicators for the Overview FLEX I/O Thermocouple, RTD, and mV module to help you troubleshoot. The FLEX I/O module has one status indicator (PWR) that is On when Module Indicators power is applied to the module, and one fault indicator (F) for each input. -
Page 64: Chapter Summary
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, and indicator flashes at about 1 Hz rate. are enabled, and bit set) Power Module not powered Green Module receiving power The FLEX I/O Thermocouple, RTD, and mV module returns diagnostics to... -
Page 65: Appendix A Overview
Appendix Specifications This appendix contains general and environmental specifications and Overview 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... - Page 66 Specifications General Specifications Attribute Value Isolation voltage 50V (continuous), Basic Insulation Type (continuous voltage Type tested @ 1365V AC for 60 s, between field side withstand rating) and system No isolation between individual channels System throughput (8 Typical module timing is shown here. channels scanned) –...
-
Page 67: Environmental Specifications
Specifications General Specifications Attribute Value Temperature code, North American 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 2 – on signal ports Wiring category 3 –... -
Page 68: Certifications
Specifications Environmental Specifications Attribute Value Radiated RF immunity IEC 61000-4-3: 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:... -
Page 69: Appendix B Overview
Appendix Electronic Data Sheet (EDS) Files EDS provides the definition for a device’s configurable parameters and public Overview 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. -
Page 70: Eds Installation
Electronic Data Sheet (EDS) Files To acquire EDS files for Rockwell Automation and Allen-Bradley devices, go to Tools & 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. -
Page 71: Appendix C Overview
Appendix Program Your Module with PLC Family Processors This Appendix serves as a reference to users of the PLC-* Family Processors Overview 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. -
Page 72: Plc-2 Family Processor
Program Your Module with PLC Family Processors PLC-2 Family Processor The 1794 Thermocouple, RTD, and Millivolt modules are not recommended for use with PLC-2 family programmable controllers due to the number of digits needed for high resolution. The Thermocouple, RTD, and Millivolt modules function with IMPORTANT reduced performance in PLC-2 systems. -
Page 73: Plc-5 Family Processor
Program Your Module with PLC Family Processors PLC-3 Processor Rung M:0 The IRT8 module is located in rack 3, I/O group 2, slot 1. The control file is a 10 word Program Example file starting at B17:0 that is shared by the BTR/BTW. The data obtained by the PLC3 processor is placed in memory starting at location N18:101, and with the default length of 0, is 11 words long. -
Page 74: Plc-5/250 Family Processor
Program Your Module with PLC Family Processors PLC-5 Processor Rung 2:0 Program Example 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. - Page 75 Program Your Module with PLC Family Processors PLC-5/250 Processor Program Example 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.
- Page 76 Program Your Module with PLC Family Processors Notes: Publication 1794-6.5.12 - September 2011...
-
Page 77: European Hazardous Location Approval
Appendix Safety Approvals The 1794-IRT8, 1794-IRT8K, and 1794-IRT8XT modules are European European Hazardous Hazardous Location approved. Location Approval 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. -
Page 78: North American Hazardous Location Approval
Safety Approvals The 1794-IRT8, 1794-IRT8K, and 1794-IRT8XT modules are North North American Hazardous American Hazardous Location approved. Location Approval The following information applies when operating Informations sur l’utilisation de cet équipement en this equipment in hazardous locations. environnements dangereux. Products marked “CL I, DIV 2, GP A, B, C, D” are suitable for Les produits marqués “CL I, DIV 2, GP A, B, C, D”... -
Page 79: Index
Index block transfer read (BTR) 31,52,59, 60, 61, 62 Numerics block transfer write (BTW) 30, 31, 40, 59, 60, 61, 62 1756-CNB 57 1756-ENBT 21 1794-ACN15 3 1794-ACNR15 3 calibration 1794-ACNR15K 3 CJC 44 1794-ADN 3 cold junction 43, 48, 49 1794-AENT 3, 22 current source 47 1794-APB 3... -
Page 80: Index
Index channel loop 29 CJC 30 differential 25 command 32, 45, 46, 47, 48 external 25, 36, 37 data response 34 internal 25, 36, 37 response 46, 48, 49 conductors 55 EFT/B immunity 56 configuration Electronic Data Sheet (EDS) 58 data format selection 28 emissions 55 fault mode 29... -
Page 81: Index
Index humidity 39 wall or panel 12 MSG instructions 4 mV source 2, 28 indicator 54 input offset calibration 45 channels 40 default 28 ohmmeter 17 designators 5 open input 54 filter 24, 25 open sensor 52 range 30 overrange 29 resistive 2 type 36, 37 installation... -
Page 82: Index
Index type K 24, 67 emissions 55 type N 24, 69 enclosure type rating 55 type R 24, 68 ESD immunity 55 type S 24, 68 general 53 type T 24, 69 indicators 54 type TXK/XKL(L) 24, 70 isolation voltage 54 RF immunity 56 module location 53 nominal input voltage 53... -
Page 83: Index
Index troubleshoot 51 connecting 17 wiring category 55 combination 9 unipolar 27 connections 18, 41 terminal base 8, 41 write words data format 42 vibration 55 filter time constants 34 voltage input type 36 supply 54 RTD Type 35 sensor mode 37 sensor type 36 wire type 55 wire pairs... -
Page 84: Index
Index Notes: Publication 1794-6.5.12 - September 2011... -
Page 85: Index
Index Publication 1794-6.5.12 - September 2011... - Page 86 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.
Need help?
Do you have a question about the Allen-Bradley 794-IRT8 and is the answer not in the manual?
Questions and answers