Allen Bradley 1794-IRT8XT Flex I/O-XT Thermocouple/RTD Input Module

Overview
Allen Bradley 1794-IRT8XT Flex I/O-XT Thermocouple/RTD Input Module is an extended-temperature Flex I/O-XT analog input module designed for thermocouple and RTD signal processing in harsh industrial environments. It provides reliable temperature acquisition for distributed control systems operating under extreme conditions, supporting stable performance in oil & gas, offshore, and heavy industrial applications.

General Information
Part Number: 1794-IRT8XT
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Country of Origin: USA
Series: Flex I/O-XT
Module Type: Thermocouple / RTD Input Module
Input Type: Multi-channel temperature input (Thermocouple & RTD)
Installation: DIN rail mounted via Flex I/O-XT terminal base
Function: High-accuracy temperature signal acquisition for harsh environments

Power Specifications
Supply Voltage: 24 V DC (via Flex I/O-XT backplane)
Power Consumption: 3–5 W typical
Input Power Source: Backplane-powered system
Isolation: Channel-to-backplane isolation
Protection: Over-voltage and transient protection
Status Indicators: LED module status diagnostics

Communication & Interface
Backplane Communication: Flex I/O-XT distributed I/O system
Compatible Networks: EtherNet/IP, ControlNet, DeviceNet (via adapters)
Configuration Platform: Studio 5000 / RSLogix
Signal Processing: Analog-to-digital temperature conversion
Diagnostics: Sensor break detection and fault reporting
System Integration: Modular PLC-based architecture for harsh environments

Environmental
Operating Temperature: -40 to +70 °C
Storage Temperature: -40 to +85 °C
Humidity: 5% to 95% non-condensing
Vibration Resistance: Industrial-grade IEC compliant
Protection Rating: IP20 (installed in suitable enclosure)
Pollution Degree: 2

Dimensions & Weight
Dimensions: 94 × 46 × 53 mm
Weight: 0.1 kg

Built tough for precision temperature control in demanding industrial environments.