Allen-Bradley 1756-OA8D | Diagnostic AC Output Module for ControlLogix (8-Point, 74–132V AC, Fused)

Overview

The Allen-Bradley 1756-OA8D is an 8-channel diagnostic AC output module for ControlLogix systems, designed to operate at 74–132V AC. Each point is electronically fused, providing advanced diagnostics such as open load and short-circuit detection. With built-in protection and detailed fault reporting, it enhances system reliability and maintenance visibility.

Its 20-pin interface and compatibility with Studio 5000 make it ideal for high-performance AC output applications where diagnostic feedback is essential.

Key Features

• 8 AC Output Channels – Rated for 74–132V AC applications

• Diagnostic Functionality – Detects open circuits, short circuits, and overloads

• Electronically Fused Outputs – Increases protection and safety

• Channel Status & Fault LEDs – Fast identification of issues

• 20-Pin Removable Terminal Block – Simplifies wiring and maintenance

• Studio 5000 Integrated – Diagnostic data available in real-time

• Hot-Swappable – Swap modules without powering down the system

Technical Specifications

• Catalog Number: 1756-OA8D

• Number of Outputs: 8

• Output Voltage Range: 74–132V AC (47–63 Hz)

• Output Current: Up to 1.0 A per point

• Protection: Electronic fusing with diagnostics

• Isolation Voltage: 250V continuous

• Minimum Load: 10 mA

• Backplane Current: ~160 mA @ 5.1V DC

• Connector Type: 20-pin RTB (sold separately)

• Operating Temperature: 0°C to +60°C

• Mounting: ControlLogix chassis

• Compatible Software: Studio 5000 Logix Designer

Applications

• AC Load Control with Fault Detection

• Safety-Critical Output Applications

• Material Handling and Packaging Lines

• Industrial Lighting and Solenoid Control

• Predictive Maintenance and Troubleshooting

Why Choose the 1756-OA8D?

• Built-in diagnostics reduce downtime and improve system awareness

• Electronically fused outputs protect devices and wiring

• Designed for advanced AC output applications in ControlLogix systems

Order Now

In stock and ready for worldwide shipping. Pair with recommended terminal blocks and accessories for complete setup.