High Density Analog I/O Modules User Manual

1 High Resolution Analog I/O ModulesCatalog Numbers 1756-IF8I, 1756-IRT8I, 1756-OF8I, 1756-IR12, 1756-IT16 user ManualOriginal InstructionsImportant user InformationRead this document and the documents listed in the additional resources section about installation, configuration, and operation of this equipment before you install, configure, operate, or maintain this product. Users are required to familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws, and including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are required to be carried out by suitably trained personnel in accordance with applicable code of this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be no event will Rockwell Automation, Inc.

2 Be responsible or liable for indirect or consequential damages resulting from the use or application of this 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 patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits, equipment, or software described in this of the contents of this Manual , in whole or in part, without written permission of Rockwell Automation, Inc.

3 , is prohibitedThroughout this Manual , when necessary, we use notes to make you aware of safety may also be on or inside the equipment to provide specific precautions. WARNING: 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 : 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 information that is critical for successful application and understanding of the HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous voltage may be HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that surfaces may reach dangerous FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to potential Arc Flash.

4 Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).Rockwell Automation Publication 1756-UM540E-EN-P - December 20173 Table of ContentsPrefaceSummary of Changes .. 9 Product Compatibility and Download Center .. 9 Additional Resources .. 10 Chapter 1 Analog I/O module Operation in the ControlLogix SystemBefore You Begin.. 11 Ownership .. 131756-OF8I Redundant Owner .. 13 Configure a module .. 13 Direct Connections .. 14 Input module Operation.

5 15 Requested Packet Interval (RPI) .. 15 Input Modules in a Local Chassis .. 16 Input Modules in a Remote Chassis .. 17 Trigger Event Tasks .. 17 Output module Operation.. 18 Output Modules in a Local Chassis .. 19 Output Modules in a Remote Chassis .. 19 Listen-only Mode .. 20 Chapter 2 Analog I/O module FeaturesCommon Analog I/O Features .. 22 CIP Sync Timestamp of Data.. 22 Rolling Timestamp of Data.. 23 Floating Point Data Format .. 23 module Quality Reporting .. 24 Calibration .. 25 Fault and Status Reporting .. 25 Configurable Software .. 26 Latching of Alarms.

6 26 module Inhibiting .. 27 Electronic Keying.. 28 Elegant Migration Emulation Mode.. 29 Relationship between module Resolution and Scaling .. 31 module Resolution .. 31 Scaling.. 32 Calibration .. 33 Calibrated Accuracy .. 34 Error Calculated over Hardware Range .. 34 RTD and Thermocouple Error Calculations.. 34 RTD Error.. 35 Thermocouple Error.. 35 module Error at 25 C (77 F) .. 36 Thermocouple Resolution .. 384 Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 Table of ContentsChapter 31756-IF8I Isolated Analog Input Module1756-IF8I module Features.

7 41 Internal Loop Power Source .. 42 Multiple Input Ranges .. 43 Notch Filter.. 43 Underrange/Overrange Detection .. 46 Digital Filter .. 47 Process Alarms .. 48 Rate Alarm.. 50 Sensor Offset.. 50 Wire Off Detection.. 51 Synchronized Sampling .. 521756-IF8I Diagrams .. 53 Fault and Status Reporting .. 58 Chapter 4 Temperature-sensing Analog ModulesCommon module Features.. 59 module Input Ranges .. 60 Notch Filter.. 61 Underrange/Overrange Detection .. 65 Digital Filter .. 65 Process Alarms .. 66 Rate Alarm.. 68 Sensor Offset.. 6810 Ohm Copper Offset .. 68 Wire Off Detection.

8 69 Temperature Units .. 71 Sensor Types .. 711756-IRT8I Thermocouple Wire Length Compensation .. 73 Synchronized Sampling .. 74 Cold Junction Compensation .. 751756-IRT8I Diagrams .. 791756-IR12 Diagrams .. 841756-IT16 Diagrams .. 86 Fault and Status Reporting .. 88 Rockwell Automation Publication 1756-UM540E-EN-P - December 20175 Table of Contents Chapter 51756-OF8I Isolated Analog Output Module1756-OF8I module Features .. 89 Multiple Output Ranges .. 90 Channel Offset.. 90 Ramping/Rate Limiting.. 90 Hold for Initialization .. 91 Clamping/Limiting.. 91 Clamp/Limit Alarms.

9 92 Data Echo .. 921756-OF8I Diagrams.. 93 Drive Different Loads with the 1756-OF8I module .. 96 Fault and Status Reporting .. 97 Redundant Owners.. 98 Configure 1756-OF8I Redundant Owners .. 98 About Redundant Owners .. 99 Configure the Output module .. 103 Response Times for Output Modules .. 105 Input Modules .. 106 Troubleshooting .. 107 Chapter 6 Install ControlLogix Analog I/O ModulesInstall the I/O module .. 111 Key the Removable Terminal Block.. 113 Connect Wiring .. 114 Connect the Grounded End of the Cable .. 115 Connect the Ungrounded End of the Cable .. 116 RTB Types.

10 117 RTB Wiring Recommendations .. 118 Assemble the RTB and the Housing .. 119 Choose Extended-depth Housing.. 120 Cabinet Size Considerations with Extended-depth Housing . 121 Install the Removable Terminal Block .. 122 Remove the Removable Terminal Block.. 123 Remove the module from the Chassis .. 1246 Rockwell Automation Publication 1756-UM540E-EN-P - December 2017 Table of ContentsChapter 7 Configure ControlLogix Analog I/O ModulesCreate a New module .. 126 module Definition .. 128 Edit the Configuration .. 129 Connection Tab.. 130 Configuration Tab .. 131 Calibration Tab.