Allen-Bradley 1762-IR4 | 4-Channel RTD & Resistance Input Module – For MicroLogix PLCs

Overview

The Allen-Bradley 1762-IR4 is a 4-channel RTD/resistance input module designed for MicroLogix 1200 and 1400 controllers. It accepts direct connection of various RTD types (such as Pt100, Pt1000, Ni100) or resistance input signals, providing high-resolution data for precise temperature and resistance measurement in industrial control systems.

This module is ideal for temperature-critical processes, such as in HVAC systems, food processing, or environmental monitoring.

Key Features

• Input Channels: 4 differential RTD/resistance inputs

• Supported Sensors: Pt100, Pt1000, Ni100, Ni1000, and general resistance

• Resolution: 15 bits

• Measurement Type: Temperature (RTD) and resistance

• Module Type: Analog input

• Removable Terminal Block – For easy wiring and replacement

• Cold Junction Compensation (CJC): Built-in

• High Accuracy and Repeatability – Ideal for process monitoring

Technical Specifications

• Model: 1762-IR4

• Channels: 4

• Sensor Types: Pt100, Pt1000, Ni100, Ni1000, 100Ω–1000Ω resistance

• Resolution: 15 bits

• Input Type: 3-wire RTD or resistance

• Update Rate: 400 ms (all channels)

• Mounting: DIN rail or panel

• Operating Temp: 0°C to +55°C

• Compatible With: MicroLogix 1200 and 1400

• Certifications: UL, CE, c-UL

Applications

• Temperature Monitoring – Using RTD sensors

• Industrial Ovens & Freezers – Precision thermal control

• HVAC & Building Automation – Environment regulation

• Process Control Systems – RTD-based safety and quality assurance

Why Choose the 1762-IR4?

• Direct RTD connection without external signal conditioning

• High-resolution temperature input with multiple RTD types

• Perfect addition to MicroLogix for temperature-based automation

Order Now

In stock and ships worldwide. Ask about compatible RTD sensors, MicroLogix CPUs, or temperature monitoring packages.