Allen-Bradley 1756-OA8D | 8-Channel Diagnostic AC Output Module

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.

Return to our ControlLogix Controllers main category to explore all models and specifications in this family.

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NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply