1756-OA16 | AB Allen Bradley | ControlLogix Discrete Output Module

Product Summary

The 1756-OA16 is a ControlLogix 16-point digital AC output module. It provides sixteen (16) mechanically fused outputs rated for 120/240 VAC applications.

Core Specifications

• Catalog Number: 1756-OA16
• Module Type: Digital AC Output Module
• Number of Outputs: 16 points (mechanically fused)
• Voltage Category: 120 / 240 Volts AC
• Operating Voltage Range: 74–265 Volts AC
• Backplane Current (5V): 400 mA

Electrical Characteristics

• Output Current: 2 A per point (typical resistive load)
• Fusing: Mechanically fused per point
• Isolation: Group isolation (typically 2 groups of 8 points)
• Surge Current: Supported within rated limits

Installation Guide

1. Install the module in any slot of a 1756 ControlLogix chassis.
2. Use a compatible removable terminal block (RTB) for field wiring.
3. Configure the module in Studio 5000 Logix Designer.
4. Verify operation using module status LEDs and controller diagnostics.

Selection Guidelines

• Use 1756-OA16 for standard 120/240 VAC digital outputs with mechanical fusing.
• For electronic fusing or individual isolation, consider variants such as 1756-OA8E.