Allen Bradley 1756-OA8 ControlLogix AC Digital Output Module

Overview

The 1756-OA8 is a ControlLogix AC digital output module designed for reliable switching and control of AC field devices in industrial automation systems. With eight output channels, it provides dependable performance for driving contactors, relays, indicators, and other AC loads while supporting efficient system operation and diagnostics.

General Information

Part Number: 1756-OA8

Manufacturer: Allen Bradley

Brand / Country of Origin: Rockwell Automation / USA

Series: ControlLogix

Type: AC Digital Output Module

Number of Outputs: 8 AC Output Channels

Mounting: Chassis-based installation in ControlLogix systems

Technology: Digital AC output with integrated status monitoring

Power Specifications

Operating Voltage Range: 74–265 V AC

Nominal Output Voltage: 120/240 V AC

Backplane Current: 190 mA at 5.1 V DC

Total Backplane Power: 0.97 W

Maximum Continuous Current per Output: 0.5 A

Protection: Electronic fault detection and channel status monitoring

Status Indicators: Individual output status LEDs and module diagnostics LED

Communication & Interface

System Interface: ControlLogix backplane

Communication Method: High-speed chassis communication

Diagnostics: Output status indication and fault reporting

Configuration: Software configurable through the ControlLogix platform

Operator Interface: Front-panel LED indicators

Wiring Connection: Removable terminal block compatible

Environmental

Operating Temperature: 0°C to +60°C

Storage Temperature: -40°C to +85°C

Relative Humidity: 5% to 95%, non-condensing

Vibration Resistance: Industrial environment rated

Protection Rating: Open-type module for installation within an enclosure

Dimensions & Weight

Dimensions (L × W × H): 144.57 × 22 × 105.42 mm

Weight: 0.4 kg

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