Allen Bradley 1756-IRT8I ControlLogix Input Module

The Allen Bradley 1756-IRT8I is a high-precision analog input module from the ControlLogix series, designed for direct connection of RTDs and thermocouples. With 8 individually configurable and isolated input channels, it supports RTD, mV, and thermocouple signal types—ideal for advanced temperature monitoring and data acquisition.

This module provides industry-leading 24-bit resolution for accurate temperature sensing and noise immunity. Its compact 36-pin plug-in form enables seamless installation in ControlLogix chassis environments.

Technical Specifications

Model: 1756-IRT8I
Series: ControlLogix
Module Type: Analog Input (RTD / Thermocouple / mV)
Channels: 8 Inputs (Individually Configurable, Isolated)
Resolution: 24-bit
Application: Temperature sensing, RTD measurement, thermal process control

Electrical Specifications

Input Types Supported:

• RTDs (Resistance Temperature Detectors)
• Thermocouples (Multiple types supported)
• Millivolt signals

Analog Inputs: 8
Analog Outputs: 0
Current Input: Not supported
Voltage Input: Not supported
Output Capability: None
Channel Isolation: Yes, per channel

Mechanical Specifications

Width: 38.1 mm
Height: 300 mm
Depth: 111.25 mm
Mounting: ControlLogix backplane (rack-mounted)
Connector Type: 36-pin plug-in connection

Environmental Specifications

Operating Temperature: 0°C to 60°C
Storage Temperature: –40°C to +85°C
Humidity: 5% to 95% RH (non-condensing)
Explosion Protection (Gas/Dust): None
IP Rating: Not rated (dependent on enclosure)

Compliance & Certifications

CE Marked: Yes
UL / cUL Listed: Yes
RoHS Compliant: Yes
EMC / Noise Standards: IEC 61000-6-2, IEC 61000-6-4

Key Features & Benefits

✅ 8 Isolated Analog Inputs: Each channel is independently configurable for RTD, thermocouple, or mV input

✅ High Accuracy Sensing: 24-bit resolution ensures precise temperature measurement

✅ Modular ControlLogix Design: Easily integrates into your existing ControlLogix rack

✅ Supports Industrial Sensors: Works with standard RTDs and multiple thermocouple types

✅ Isolated Inputs: Improves system safety and signal integrity in noisy environments

📦 Order the Allen Bradley 1756-IRT8I from Drive Outlet Megastore

At Drive Outlet Megastore, we offer unbeatable Allen Bradley 1756-IRT8I prices. Whether you’re building a precise thermal monitoring system or upgrading your existing ControlLogix setup, this input module delivers unmatched accuracy and versatility.

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Measure accurately. Monitor precisely. Integrate seamlessly — Drive Outlet Megastore