Allen Bradley 1794-IT8 Flex I/O Thermocouple/RTD Input Module

Overview
Allen Bradley 1794-IT8 Flex I/O Thermocouple/RTD Input Module is a Flex I/O analog input module designed for accurate temperature measurement using thermocouple and RTD sensors. It is widely applied in industrial automation systems requiring reliable thermal data acquisition and seamless integration into distributed control architectures.

General Information
Part Number: 1794-IT8
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 Platform: 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 × 45.7 × 53.3 mm
Weight: 0.144 kg

Engineered for precision temperature control in demanding industrial automation environments.