1794-IM8 | Allen Bradley FLEX I/O 8-Channel 220V AC Digital Input Module

Product Description

The Allen Bradley 1794-IM8 is a FLEX I/O digital input module designed for monitoring AC signals in distributed automation systems. With eight non-isolated input channels, it supports nominal 240V AC operation and provides reliable signal detection with defined on/off-state thresholds. Compact and lightweight, the module integrates seamlessly into FLEX I/O chassis and offers robust isolation for industrial environments.

Technical Specifications

• Manufacturer Allen Bradley

• Product Line FLEX I/O 1794 Series

• Product Type AC Digital Input Module

• Part Number 1794-IM8

• Weight 0.13 lbs (0.06 kg)

• Inputs 8 non-isolated AC input channels

• Nominal On-State Voltage 240 V AC

• Maximum On-State Current 13.21 mA

• Maximum Off-State Voltage 40 V AC

• Maximum Off-State Current 2.6 mA

• Nominal Input Impedance 22.3 kΩ

• Nominal Input Current 12 mA @ 240 V AC

• Isolation Voltage 250 V continuous

• Flexbus Current Load 30 mA @ 5 V DC

• Thermal Dissipation 16.2 BTU/hr @ 264 V AC max

• Mounting DIN rail (via FLEX I/O base)

Application Scenarios

• Monitoring AC signals in distributed FLEX I/O systems

• General-purpose AC input detection in machine-level automation

• Industrial environments requiring compact and modular input modules

FAQ

Q: How many input channels does the 1794-IM8 provide?  A: Eight non-isolated AC input channels.

Q: What is the nominal operating voltage?  A: 240 V AC.

Q: What isolation voltage is supported?  A: 250 V continuous.

Comparable Models

• 1794-IM8: 8-channel AC input module (this model)

• 1794-IB8: 8-channel DC input module

• 1794-OB8: 8-channel DC output module