Common Module Features - Allen-Bradley 1756-IF8I User Manual

Common Module Features

Temperature-sensing Analog Modules
Topic
Common Module Features
1756-IRT8I Diagrams
1756-IR12 Diagrams
1756-IT16 Diagrams
Fault and Status Reporting
Module Description
1756-IRT8I The 1756-IRT8I module has eight isolated channels. Each channel supports connection to the
following input types:
• RTD, both 3-wire and 4-wire
• Thermocouple mV devices
The module provides 24-bit data resolution. Additional features are described in this chapter.
1756-IR12 The 1756-IR12 module has 12 non-isolated channels. Each channel supports 3-wire RTD connections.
The module provides 24-bit data resolution. Additional features are described in this chapter.
1756-IT16 The 1756-IT16 module has 16 non-isolated channels. Each channel supports connection to
thermocouple mV devices.
The module provides 24-bit data resolution. Additional features are described in this chapter.
The modules have the following features:
Feature
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
Rockwell Automation Publication 1756-UM540E-EN-P - December 2017
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1756-IT16
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