1756-L85E Allen Bradley

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The 1756-L85E is the ultimate ControlLogix5580 Logix 5580 Controller, boasting a massive 40MB user memory and an impressive range of features including USB port, 1GB Ethernet port, support for up to 300 EtherNet/IP devices and even a handy four character alpha/numeric display. With seamless compatibility in Studio5000 Automation Engineering & Design Environment, this controller is sure to revolutionize your Allen Bradley experience!

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1756-L85E Allen Bradley Controller

Industrial automation is becoming increasingly important in the modern world. Controllers play a critical role in this process, as they are responsible for controlling and monitoring multiple complex operations within a factory or other production facility. Among the most popular controllers is the Allen Bradley 1756-L85E, which offers unparalleled performance and reliability for applications ranging from basic to complex. In this blog post, we will take a look at the features of the Allen Bradley 1756-L85E controller, as well as some of its advantages over competing models. We’ll also explore how it can be used to optimize your industrial automation system, helping you to get more out of your investment while minimizing downtime and disruption. Read on to learn more!

What is the 1756-L85E Allen Bradley Controller?

The Allen Bradley 1756-L85E is a 16 bit controller that uses the Ethernet/IP protocol. It has a modular design and is scalable from 8 I/O modules to 64 I/O modules. The 1756-L85E has a maximum input voltage of 24V DC and a maximum output current of 1A. It also has an LED status indicator for each port and an RJ45 port for programming and debugging.

The Different Types of Allen Bradley Controllers

There are many different types of Allen Bradley controllers on the market today. Each type of controller has its own specific set of features and advantages. Here is a rundown of the most popular types of Allen Bradley controllers:

The first type of controller is the PLC, or programmable logic controller. PLCs are designed to be highly versatile and can be used for a variety of applications. They are typically used in industrial settings where they can control a wide range of machinery.

The second type of controller is the relay-type controller. These are designed for more simple applications and typically only control one or two pieces of machinery. Relay-type controllers are often used in residential settings.

The third type of controller is the motion controller. Motion controllers are designed to control moving parts in machinery. They are often used in factory settings where they need to control conveyor belts or other moving parts.

Pros and Cons of the 1756-L85E

There are many different types of Allen Bradley controllers on the market, each with its own set of pros and cons. The 1756-L85E is no different. Here are some of the key pros and cons of this particular controller:


-The 1756-L85E has a powerful processor that can handle large amounts of data quickly and efficiently.

-It has a built-in Ethernet port for easy connectivity to other devices and systems.

-This controller comes with a lot of memory, making it ideal for storing large programs or data sets.


-The 1756-L85E can be expensive, especially when compared to other Allen Bradley controllers on the market.

-It can be challenging to program, particularly for users who are not familiar with ladder logic or other programming languages.

Applications for the 1756-L85E

The Allen Bradley 1756-L85E is a Logix5000 controller that provides high-speed communication and processing capabilities for large scale industrial applications. This controller is designed for use in applications such as manufacturing, process control, and machine automation. The 1756-L85E offers a variety of features and benefits that make it an ideal choice for these types of applications.

How to Install the 1756-L85E

The 1756-L85E controller is a discontinued product that was replaced by the 1756-L85AE. The L85E was a very popular controller and many customers are still using it today. Installing the L85E is a relatively simple process, but there are a few things you need to keep in mind.

First, you’ll need to install the baseplate and modules into the chassis. Make sure that all of the screws are tight and that the modules are seated correctly in the slots. Once everything is secure, you can connect the power and data cables.

Next, you’ll need to configure the controller. This can be done through the web interface or via the included software. Make sure that you set up the correct IP address, subnet mask, and gateway so that the controller can communicate with other devices on your network.

Once everything is installed and configured, you should test it out by running some programs or tasks on your machine. If everything is working as expected, then congratulations! You’ve successfully installed your 1756-L85E controller.

Maintenance and Troubleshooting for the 1756-L85E

When it comes to troubleshooting and maintaining your 1756-L85E Allen Bradley Controller, there are a few key things to keep in mind. First, always consult the user manual for your controller before attempting any maintenance or troubleshooting. Second, be sure to check all the connections and wiring before replacing any parts. Third, when troubleshooting, always start with the simplest solution and work your way up to more complex solutions.

Here are a few tips for troubleshooting your 1756-L85E controller:

If you are experiencing problems with your controller, the first thing you should do is check all the connections and wiring. Make sure that everything is properly connected and that there are no loose wires.

If everything looks good with the connections and wiring, the next step is to check for software updates. The Allen Bradley website offers a variety of software updates that can help improve performance and fix bugs.

If you are still having problems after checking the connections and updating the software, you may need to replace some parts. The most common parts that need to be replaced are the power supply, batteries, and memory modules.

Specifications for the 1756-L85E

The 1756-L85E is a high performance, single slot EtherNet/IP controller that offers up to 8 MB of application code and data storage. This controller also features an integrated 10/100 Mbps EtherNet switch with four ports, which provides high-speed connectivity and flexibility for your application. The 1756-L85E is compatible with the Allen Bradley Logix5000 family of products and can be used in a wide variety of applications.


With the 1756-L85E Allen Bradley controller, you can easily control and monitor your industrial device with minimal effort. This flexible and reliable controller provides a variety of features that will help you to effectively manage your automation processes while keeping costs low. Whether you are looking for an entry-level solution or a more complex system, the 1756-L85E is sure to provide great performance every time. With its many capabilities, this controller is an ideal choice for any industrial setting!