OVERVIEW

Official designation: Allen-Bradley 1794-OW8 (Flex I/O, Relay Output Module)

This module provides eight isolated Form A (Normally Open) relay outputs for switching AC or DC loads in Flex I/O systems.

It is designed for reliable digital control in industrial automation environments.

KEY SPECS SUMMARY

Input Voltage: 74-132V AC

Output Channels: 8 Form A (Normally Open)

Output Current Rating: 2 A resistive at 250V AC

Isolation Voltage: 125V continuous, 250V AC/DC for 60 seconds

Indicators: Four module status LEDs

Operating Temp: 0 to 55 degrees C

Platform / Compatibility: Allen-Bradley Flex I/O, various adapters

Limit: Maximum of 200 mA current draw from the adapter

Lifecycle: Active, generally supported

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum resistive load current rating for the 1794-OW8 output?

A: The module is rated for 2 A resistive load at a voltage up to 250V AC.

Wiring & Installation:

Q: Which terminal base is required for wiring the 1794-OW8 module?

A: It requires a 1794-TB3 or 1794-TB3S terminal base unit for field wiring connection.

Troubleshooting & Compatibility:

Q: What do the four module status indicators (LEDs) represent?

A: They indicate module power status, internal module fault, and channel status.

Replacement & Upgrades:

Q: Are there any direct replacements for the 1794-OW8 relay output module?

A: Refer to the latest manufacturer manual.