Overview
The Allen-Bradley 1794-IM8 is a FLEX I/O AC digital input module designed for reliable monitoring of AC field signals in industrial automation systems. It is used for acquiring ON/OFF status from switches, sensors, and control devices, supporting stable distributed I/O operation in control applications.
General Information
Part Number: 1794-IM8
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 AC 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
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: Interfaces with FLEX I/O adapters for controller communication
Diagnostics: Channel-level monitoring and fault detection
Response Time: Suitable for industrial automation 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 inside enclosure)
Dimensions & Weight
Dimensions (H × W × D): 94 × 46 × 53 mm
Weight: 0.1 kg
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