Allen Bradley 1797-IRT8 Flex Ex I/O RTD/Thermocouple/mV Input Module

Overview

The Allen Bradley 1797-IRT8 Flex Ex I/O RTD/Thermocouple/mV Input Module is designed for Flex Ex I/O systems to provide accurate temperature and millivolt signal measurement in hazardous area applications. It supports multiple sensor types, enabling reliable monitoring and process control in industrial environments.

General Information

Brand: Allen Bradley

Country of Origin: United States

Manufacturer: Rockwell Automation

Part Number: 1797-IRT8

Series: Flex Ex

Type: RTD/Thermocouple/mV Input Module

Channels: 8 Analog Input Channels

Application: Hazardous area temperature and analog signal monitoring

Function: Converts RTD, thermocouple, and mV input signals into digital values for controller processing

Installation: Flex Ex I/O system integration

Power Specifications

Supply Voltage: 24 V DC

Power Consumption: Approximately 3 W

Input Type: RTD, thermocouple, and millivolt signals

Protection: Intrinsic safety, overload, and short-circuit protection

Indicators: LED status indicators for module operation and diagnostics

Communication & Interface

Communication Type: Flex Ex I/O bus communication

Input Channels: 8 isolated analog input channels

Supported Sensors: RTD, thermocouple, and mV signal sources

Signal Conversion: High-resolution analog-to-digital conversion

Diagnostics: Channel status monitoring and fault detection

Environmental

Operating Temperature: −20 to +70 °C

Storage Temperature: −40 to +85 °C

Humidity: 5–95% RH, non-condensing

Protection Rating: IP20

Installation Environment: Hazardous and industrial control areas

Vibration Resistance: Suitable for industrial automation environments

Dimensions & Weight

Dimensions (L × W × H): 94 × 46 × 75 mm

Weight: 0.2 kg

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