Allen Bradley 1756-IR6I/A ControlLogix Isolated RTD Input Module

Overview

The Allen Bradley 1756-IR6I/A is a ControlLogix isolated RTD input module designed for high-precision temperature measurement in industrial automation systems. It provides reliable acquisition of resistance temperature detector (RTD) signals with strong electrical isolation and stable signal processing. The module is commonly used in process industries where accurate and repeatable temperature monitoring is required.

General Information

Part Number: 1756-IR6I/A

Manufacturer: Allen Bradley

Brand: Allen-Bradley

Country of Origin: United States

Series: ControlLogix

Type: Isolated RTD Input Module

Module Category: Analog Input Module (RTD)

Number of Channels: 6 Individually Isolated Inputs

Supported Sensor Types: RTD (Pt100, Pt1000 and compatible types)

Mounting: ControlLogix Chassis Installation

Terminal Block Compatibility: 1756-TBCH, 1756-TBS6H

Power Specifications

Input Type: RTD Resistance Signal

Backplane Current Draw (5.1 V DC): Approx. 250 mA

Backplane Current Draw (24 V DC): Approx. 2 mA

Power Dissipation: Approx. 5 W

Isolation Voltage: 250 V Continuous

Power Source: ControlLogix Backplane

Status Indicators: Channel Status and Module Health LEDs

Communication & Interface

Input Channels: 6

Channel Isolation: Individually Isolated Inputs

Connection Method: Removable Terminal Block

Data Interface: ControlLogix Backplane Communication

Diagnostics: Open-circuit, short-circuit, and over-range detection

System Compatibility: ControlLogix Controllers and I/O Chassis

Signal Processing: High-accuracy temperature conversion with digital filtering

Environmental

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to +95% RH, Non-Condensing

Shock Resistance: Industrial Grade

Vibration Resistance: Suitable for Industrial Environments

Protection Rating: Open-Type Equipment for Enclosed Cabinets

Dimensions & Weight

Dimensions (H × W × D): 144.57 × 22 × 105.42 mm

Weight: 0.272 kg

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