Allen Bradley 1794-IRT8 Flex I/O Thermocouple/RTD Input Module

Overview
Allen Bradley 1794-IRT8 Flex I/O Thermocouple/RTD Input Module is a Flex I/O temperature input module designed for precise thermocouple and RTD signal acquisition in industrial automation systems. It is developed for distributed control applications requiring stable and accurate temperature monitoring in process environments.

General Information
Part Number: 1794-IRT8
Manufacturer: Rockwell Automation
Brand: Allen-Bradley
Country of Origin: USA
Series: Flex I/O (1794 Series)
Module Type: Thermocouple / RTD Input Module
Input Type: Multi-channel temperature input (TC & RTD)
Installation: DIN rail mounted via Flex I/O terminal base
Function: Industrial temperature signal acquisition and conversion

Power Specifications
Supply Voltage: 24 V DC (via Flex I/O adapter 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 diagnostic indicators for module status

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

Environmental
Operating Temperature: -20 to +60 °C
Storage Temperature: -40 to +85 °C
Humidity: 5% to 95% non-condensing
Vibration Resistance: Industrial IEC standard compliant
Protection Rating: IP20
Pollution Degree: 2

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

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