Category Archives: RSLogix 5000

Studio 5000 Add-On Instructions (AOI’s)

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Studio 5000 Add-On Instructions-FeaturedIn this article we are going to look at one of the more “advanced” capabilities of the Studio 5000/Logix platform of programmable automation controllers (PAC’s). Specifically, how we can create and configure Studio 5000 Add-On Instructions.

I used the term “advanced” in quotes, because to create simple Studio 5000 Add-on Instructions is not a difficult task, more, it’s an understanding of what they are, when to use them, and how to use them that is the more difficult piece.

If you’ve ever wondered what this extremely important and powerful feature is, then I encourage you to keep reading. I assure you, once you complete this article you will be looking to leverage Studio 5000 Add-On Instructions in your next automation project.

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ControlLogix – System Overhead Time Slice

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System Overhead Time Slice (SOTS)

I thought I would do a piece on the System Overhead Time Slice setting you will find in pre- L8 (5580) Allen Bradely ControlLogix and CompactLogix platform of controllers.  As the complexity and connectivity of modern automation systems get more complex requiring high-performance communications, I/O, and motion control , careful consideration must be taken to ensure that both user-defined and back-end system tasks are optimized to mitigate the likelihood of CPU starvation.

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Producer/Consumer Messaging vs. Explicit Messaging

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In this article I will explore two different methods by which a PLC programmer can pass information to-from multiple ControlLogix controllers, namely, the producer/consumer messaging model and the explicit messaging model.

Producer/Consumer and Explicit Messaging Model

While both models will effectively transmit data from one or more controllers to one or more controllers over a network, depending on the requirements of the application, a PLC programmer may be inclined to choose one model over the other.

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Creating and Downloading an RSLogix5000 project

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In this video I show you how to create a new project, compile the project and download it a controller using RSLogix5000 programming software.

A link to the complete programming manual for RSLogix5000 can be found on the Rockwell Automation website here.

Check it out here, and don’t forget to leave a comment or two and subscribe to our YouTube Channel!