Allen Bradley 1794-IA8 Flex I/O AC Digital Input Module

Overview

The Allen-Bradley 1794-IA8 is a FLEX I/O AC digital input module designed for reliable acquisition of AC field signals in industrial automation systems. It provides stable and accurate monitoring of on/off states from sensors, switches, and control devices within distributed I/O architectures.

General Information

Part Number: 1794-IA8

Brand: Allen-Bradley (Rockwell Automation)

Country of Origin: USA

Series: FLEX I/O

Type: AC Digital Input Module

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

Function: AC signal input monitoring for industrial control systems

Technology: Isolated digital input channels with backplane communication

Power Specifications

Supply Voltage: 120/240 V AC (depending on system configuration)

Power Consumption: Low power consumption, typically under 5 W

Input Type: AC voltage sensing inputs

Protection: Electrical isolation and surge protection at module level

Indicators: LED status indicators for module and channel diagnostics

Communication & Interface

Input Channels: 8-point AC digital inputs

Signal Processing: On/off state detection for AC field devices

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

Diagnostics: Per-channel status monitoring and fault detection

Response Time: Fast switching response suitable for industrial control applications

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 within enclosure)

Dimensions & Weight

Dimensions (H × W × D): 94 × 46 × 53 mm

Weight: 0.1 kg

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