1756-oa16 Wiring Diagram: A Comprehensive Guide

If you’re looking for a reliable and efficient way to wire a 1756-oa16 module, you’ve come to the right place. This journal article will provide you with a detailed wiring diagram for the module, as well as answers to frequently asked questions. Moreover, this guide will help you understand how to properly wire the 1756-oa16 and avoid common errors. Let’s get started!

Overview of the 1756-oa16 Module

The 1756-oa16 is a digital output module manufactured by Allen-Bradley that features 16 individually-isolated outputs. This module operates at a nominal voltage of 24V DC and has a current capacity of 2A per output. The module is equipped with a removable terminal block and can be directly mounted on a ControlLogix chassis.

The 1756-oa16 module is designed to be used in various applications, including material handling, packaging, and processing. The module is commonly used to control solenoids, relays, and motor starters.

Wiring the 1756-oa16 Module

Before you start wiring the 1756-oa16 module, you need to ensure that the power supply is turned off. Make sure that you have the necessary tools, including a wire cutter, wire stripper, and crimping tool. Follow the steps below to wire the module:

Wire Color Function Connection
Brown 24V DC Power Source Connect to the 1756-oa16 Power Terminal
Blue 0V DC Power Source Connect to the 1756-oa16 Common Terminal
Black/Red Output Signal Connect to the Desired Output Terminal

Ensure that the wires are securely fastened to the terminal block and that no bare wire strands are protruding. Verify that the wiring is correct before applying power to the module.

Wiring Tips

Here are some tips to help you wire the 1756-oa16 module correctly:

  • Use the correct wire gauge for the application. Consult the module’s user manual for specific wire gauge requirements.
  • Always use shielded cable for noise reduction.
  • Ensure that the wires are connected to the correct terminals to avoid damaging the module or connected devices.
  • Label the wires to easily identify them in case of maintenance or troubleshooting.


What is the maximum load capacity of the 1756-oa16 module?

The maximum load capacity of the 1756-oa16 module is 2A per output.

Can I use the 1756-oa16 module with other Allen-Bradley products?

Yes, the 1756-oa16 module is compatible with other Allen-Bradley products, including ControlLogix and CompactLogix controllers.

What is the function of the removable terminal block on the 1756-oa16 module?

The removable terminal block allows for easy installation and maintenance of the module. It also allows for the easy replacement of a damaged terminal block without having to replace the entire module.

Can I wire the 1756-oa16 module in series or parallel?

No, the 1756-oa16 module is designed to be wired individually. Each output should have its own wire connection to the connected device.

What is the ideal wire stripping length for the 1756-oa16 module?

The ideal wire stripping length for the 1756-oa16 module is 8mm.


The 1756-oa16 module is a versatile and reliable digital output module that can be used in various applications. Wiring the module correctly is essential for ensuring proper operation and avoiding damage to the module or connected devices. Follow the wiring diagram and tips provided in this guide to ensure a safe and effective installation of the 1756-oa16 module.