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Allen-Bradley Manuals
I/O Systems
1756-IF8I
User manual
Allen-Bradley 1756-IF8I User Manual
High resolution analog i/o modules
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Reference manual
(42 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Preface
Product Compatibility and Download Center
Summary of Changes
Additional Resources
Before You Begin
Chapter 1 Ownership
1756-OF8I Redundant Owner
Configure a Module
Direct Connections
Input Module Operation
Requested Packet Interval (RPI)
Input Modules in a Local Chassis
Input Modules in a Remote Chassis
Trigger Event Tasks
Output Module Operation
Output Modules in a Local Chassis
Output Modules in a Remote Chassis
Listen-Only Mode
Chapter 2 Common Analog I/O Features
CIP Sync Timestamp of Data
Rolling Timestamp of Data
Floating Point Data Format
Module Quality Reporting
Calibration
Fault and Status Reporting
Configurable Software
Latching of Alarms
Module Inhibiting
Electronic Keying
Elegant Migration Emulation Mode
Relationship between Module Resolution and Scaling
Module Resolution
Scaling
Calibration
Calibrated Accuracy
Error Calculated over Hardware Range
RTD and Thermocouple Error Calculations
RTD Error
Thermocouple Error
Module Error at 25 °C (77 °F)
Thermocouple Resolution
1756-IF8I Module Features
Analog I/O Module Features
Chapter 3
Internal Loop Power Source
Multiple Input Ranges
Notch Filter
Underrange/Overrange Detection
Digital Filter
Process Alarms
Rate Alarm
Sensor Offset
Wire off Detection
Synchronized Sampling
1756-IF8I Diagrams
Fault and Status Reporting
Common Module Features
Chapter 4
Module Input Ranges
Notch Filter
Underrange/Overrange Detection
Digital Filter
Process Alarms
Rate Alarm
Sensor Offset
10 Ohm Copper Offset
Wire off Detection
Temperature Units
Sensor Types
1756-IRT8I Thermocouple Wire Length Compensation
Synchronized Sampling
Cold Junction Compensation
1756-IRT8I Diagrams
1756-IR12 Diagrams
1756-IT16 Diagrams
Fault and Status Reporting
1756-OF8I Module Features
Rockwell Automation Publication 1756-UM540E-EN-P - December
Chapter 5
Multiple Output Ranges
Channel Offset
Ramping/Rate Limiting
Hold for Initialization
Clamping/Limiting
Clamp/Limit Alarms
Data Echo
1756-OF8I Diagrams
Drive Different Loads with the 1756-OF8I Module
Fault and Status Reporting
Redundant Owners
Configure 1756-OF8I Redundant Owners
About Redundant Owners
Configure the Output Module
Response Times for Output Modules
Input Modules
Troubleshooting
I/O Modules Key the Removable Terminal Block
Chapter 6
Install the I/O Module
Key the Removable Terminal Block
Connect Wiring
Connect the Grounded End of the Cable
Connect the Ungrounded End of the Cable
RTB Types
RTB Wiring Recommendations
Assemble the RTB and the Housing
Choose Extended-Depth Housing
Cabinet Size Considerations with Extended-Depth Housing
Install the Removable Terminal Block
Remove the Removable Terminal Block
Remove the Module from the Chassis
Chapter 7 Create a New Module
Module Definition
Edit the Configuration
Connection Tab
Configuration Tab
Calibration Tab
Alarm Configuration Tab
Limit Configuration Tab
Copy Channel Configuration
View the Module Tags
Difference between Calibrating an Input Module
Chapter 8 And an Output Module
Calibrate Via Profile or Ladder
Calibrate the Input Modules
Calibrate the 1756-IF8I Module Via the Profiles
Calibrate the Temperature-Sensing Modules
Calibrate the Output Module
For a Current Output Type
Status Indicators for the 1756-IF8I Module
Chapter 9
Status Indicators for the 1756-IRT8I Module
Status Indicators for the 1756-IR12 Module
Status Indicators for the 1756-IT16 Module
Status Indicators for the 1756-OF8I Module
Use Logix Designer Application for Troubleshooting
Fault Type Determination
Troubleshoot Incorrect Readings on the Module
Incorrect Temperature Readings
1756-IRT8I and 1756-IR12 Modules
Incorrect RTD Readings
Incorrect Input Voltage/Current Readings
Incorrect Output Voltage/Current Readings
Rockwell Automation Publication 1756-UM540E-EN-P - December
Appendix A
Access the Tags
1756-IF8I Module
1756-IF8I Module Tags
Configuration Tags
Input Tags
Output Tags
1756-IRT8I Module Tags
Configuration Tags
Input Tags
Output Tags
1756-IR12 Module Tags
Configuration Tags
Input Tags
Output Tags
1756-IT16 Module Tags
Configuration Tags
Input Tags
Output Tags
1756-OF8I Module Tags
Configuration Tags
Input Tags
Output Tags
Redundant Owner Configuration Tags
Redundant Owner Input Tag Layout
Redundant Owner Output Tag Layout
Array Data Structures
Appendix B Power-Sizing Chart
Appendix C
Index
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Quick Links
1
Configure a Module
2
Direct Connections
3
1756-If8I Diagrams
4
1756-Irt8I Diagrams
Download this manual
See also:
Reference Manual
User Manual
Original Instructions
High Resolution Analog I/O Modules
Catalog Numbers 1756-IF8I, 1756-IRT8I, 1756-OF8I, 1756-IR12, 1756-IT16
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Troubleshooting
Troubleshooting
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Use Logix Designer Application for Troubleshooting
168
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This manual is also suitable for:
1756-of8i
1756-ir12
1756-it16
1756-irt8i
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