Allen-Bradley 1762-IR4 4-channel RTD/resistance input module
ALLEN-BRADLEY · I/O

1762-IR4

4-channel RTD/resistance input module

4-channel RTD/resistance input module

Catalog Number
1762-IR4
Product Family
MicroLogix Expansion I/O Modules
Platform
Chassis-Based I/O
Category
I/O
Product Type
RTD / Temperature
TECHNICAL INFORMATION

1762-IR4 technical information

Technical Specifications

Input type604 Ω Nickel-Iron 518
Input signal, configurableTrue
Output signal configurableFalse
Number Of Channels4 point
Channel to channel isolation±10V DC
Input channel configurationVia configuration software screen or the user prog (by writing a unique bit pattern into the module’s configuration file)
Channel diagnosticsOver or under range or open circuit condition by bit reporting for analog inputs
Input, voltageFalse
Output, voltageFalse
Bus current draw50mA @ 24V DC, maximum
Excitation current source0.5 mA and 1.0 mA selectable per channel
Input, currentFalse
Output, currentFalse
Power supply distance rating6 (the module may not be more than 6 modules away from the system power supply)
I/O IsolationIsolated
Input and output group to system isolation30V AC/30V DC working voltage type test: 500V AC or 707V DC @ 1min
APPLICATION / ENGINEERING

1762-IR4 application and engineering notes

System Role

Interfaces field sensors and actuators with the controller at local or distributed I/O stations.

Selection Criteria

Check signal type, channel count, voltage/current, isolation, terminal base and environmental requirements.

Integration

Plan adapter, power segmentation, addressing, wiring, diagnostics and channel configuration before commissioning.

Migration / Modernization

Create an old-to-new I/O mapping and validate electrical characteristics and field behavior channel by channel.

DS Robotik evaluates product selection together with field conditions and system architecture, covering PLC/I/O architecture, panels, software, integration, commissioning and modernization.

PRODUCT STRUCTURE

1762-IR4 system position

Allen-Bradley 1762-IR4 is part of the MicroLogix Expansion I/O Modules product family on the Chassis-Based I/O platform.