1756-OG16 Allen Bradley

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Get complete control with the 1756-OG16 – the ultimate choice for Allen Bradley enthusiasts! With its low true TTL output and 0-5V DC range, enjoy seamless operations across all your industrial applications.

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1756-OG16 Allen Bradley IO Modules


The 1756-OG16 is part of the Allen Bradley IO (input/output) Modules series. It’s a reliable, easy to install and configure component used in many industrial automation applications. This module has 16 outputs and can be configured to control a variety of devices such as motors, pumps, valves and more. With its versatile nature, the 1756-OG16 is a popular choice for those looking to integrate their existing systems with modern technology. In this article, we will look at how this module works and the benefits that it provides for industrial automation applications.

What is the 1756-OG16?

The 1756-OG16 is a 16-point input/output module for the Allen-Bradley Logix 5000 series of programmable logic controllers. It features 16 isolated inputs, 8 Form C relay outputs, and an LED status indicator for each point. The module is used to interface between field devices and the controller in applications such as monitoring temperature, pressure, flow, or level signals; controlling pumps, valves, or fans; or providing status indication for alarms or fault conditions.

Features of the 1756-OG16

The 1756-OG16 module provides sixteen (16) individually isolated outputs. Each output can be configured for either sinking or sourcing current. The module is powered by 24 VDC and has an operating temperature range of -40 to 85 degrees Celsius. It also includes LED status indicators for each output, providing visual indication of the output status.

Specifications of the 1756-OG16

The 1756-OG16 module has sixteen (16) isolated channels. Each channel is software configurable for either input or output. The module uses an optical fiber cable to communicate with the controller or other modules in the system. The module requires a separate 24 Vdc power supply connection.

The following table shows the specifications for the 1756-OG16 module:

Input Specifications:
-Voltage range: -30 VDC to +30 VDC
-Current range: 4 mA to 20 mA DC
-Max input resistance: 500 kΩ

Output Specifications:
-Voltage range: 0 VDC to +24 VDC @ 100 mA max per channel
-Continuous current rating per channel: 150mA (fuses are not required)
-Maximum sinking current per channel at 25°C: 250mA @ 5VDC; 200mA @ 10VDC; 150mA @ 15VDC; 100mA @ 20VDC

How to Install the 1756-OG16

If you’re looking to install the 1756-OG16, there are a few things you’ll need to keep in mind. First, make sure that your system is properly grounded. This will help ensure that your module functions properly and doesn’t experience any electrical issues. Next, you’ll need to determine where you want to install the module. Keep in mind that it needs to be close to an AC power source. Once you’ve found the perfect spot, use the screws that come with the module to secure it in place. Finally, connect the module to your system using either an Ethernet or RS-232 cable. Now you’re ready to start using your new 1756-OG16!

How to Use the 1756-OG16

The 1756-OG16 is a 4-channel isolated output module that provides 16 points of digital isolation between the backplane and field devices. The module offers two point types: Form C (make before break) and Form A (break before make). Each point type can be configured for either positive or negative logic. The module also supports regeneration, which allows the user to configure the device to output a copy of the input signal from another device on the network.

The module can be used with any PLC that supports 4-20mA input/output communications, including the 1756 ControlLogix, 1769 CompactLogix, and 1746 SLC 500 platforms. It can also be used with other devices that support 4-20mA communications, such as flow meters and pressure sensors. To use the module, simply connect the field device to one of the four channels on the front of the unit using standard wiring practices. Then, configure the channel using your PLC programming software.


If you’re having trouble with your Allen Bradley IO modules, there are a few things you can try to troubleshoot the issue. First, check to see if the module is properly seated in the slot. If it’s not, remove it and re-insert it. Next, check the power supply to make sure it’s providing enough power to the module. If not, you may need to replace the power supply. Finally, check the wiring to ensure that all connections are tight and secure. If everything looks good but the module still isn’t working, you may need to replace the module.


The 1756-OG16 Allen Bradley I/O Modules provide a robust and reliable solution for any automation project. With their compatibility with the 1756-EN2T, ENXTB and ENBT series controllers, they are one of the most popular choices on the market. As always, it is important to make sure that your system is compatible with these modules before making a purchase. We hope this article has provided you with all of the necessary information you need in order to make an informed decision when choosing an I/O module for your application.