Overview

The 1756-IR6I from Allen-Bradley is an isolated RTD input module designed for ControlLogix systems. It supports six individually isolated RTD inputs, ensuring precise temperature measurement in industrial automation environments. With integrated overvoltage protection, sigma-delta conversion, and 32-bit floating-point data support, this module delivers reliable and accurate thermal monitoring.

Its compact design, 5 kg shipping weight, and robust noise rejection of 60 dB at 60 Hz make it an ideal choice for process control and high-performance automation tasks.

Key Features

• Six isolated RTD inputs for high-accuracy temperature sensing

• Overvoltage protection: up to 24V AC/DC

• Noise rejection: 60 dB at 60 Hz (normal mode)

• Data format: Integer mode (left justified, two’s complement) and IEEE 32-bit floating point

• Conversion method: Sigma-Delta for stable and precise readings

• Shipping weight: 5 kg

Technical Specifications

Applications

The 1756-IR6I module is widely used in process industries where precise thermal measurement is essential. It integrates seamlessly with ControlLogix chassis to monitor multiple RTD sensors in real time, enabling accurate process adjustments and energy-efficient operations.

Certifications

• Designed for industrial automation compliance with ControlLogix standards

• Compatible with hazardous and non-hazardous environments depending on system certification