Allen Bradley 1794-IR8 Flex I/O RTD Input Module

Overview

The Allen-Bradley 1794-IR8 is a FLEX I/O RTD input module designed for accurate temperature measurement in industrial automation systems. It supports resistance temperature detector (RTD) sensors, providing stable and precise temperature data acquisition for process monitoring and control applications.

General Information

Part Number: 1794-IR8

Brand: Allen-Bradley (Rockwell Automation)

Country of Origin: USA

Series: FLEX I/O

Type: RTD Input Module

Mounting: DIN rail / FLEX I/O terminal base installation

Function: Temperature signal acquisition from RTD sensors

Technology: High-resolution resistance measurement with backplane communication

Power Specifications

Supply Voltage: 24 V DC (nominal)

Power Consumption: Low power consumption, typically under 5 W

Input Type: RTD sensors (Pt100, Pt1000 compatible)

Protection: Electrical isolation, open-circuit detection, and noise filtering

Indicators: LED status indicators for module and channel diagnostics

Communication & Interface

Input Channels: 8-point RTD inputs

Signal Types: Temperature measurement via resistance sensing

System Integration: Interfaces with FLEX I/O adapters for controller communication

Diagnostics: Wire break detection and channel fault monitoring

Response Time: Suitable for industrial process temperature control

Environmental

Operating Temperature: 0 to +55 °C

Storage Temperature: −40 to +85 °C

Humidity: 5% to 95% RH, non-condensing

Vibration Resistance: Designed for industrial control cabinet environments

Protection Rating: IP20 (installed inside enclosure)

Dimensions & Weight

Dimensions (H × W × D): 94 × 45.7 × 53.3 mm

Weight: 0.144 kg

Precision temperature monitoring solutions ready for fast global supply – limited stock available!