Category Archives: Studio 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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Studio 5000 Versioning and Firmware

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Hi, first of all this site looks great!

I’m having a problem, I have a ControlLogix 1756-L61 processor that has been programmed using Studio 5000 previously.

I’m running Studio 5000 versions 24 but when I try to open the programming file a popup saying that it was created using version 21.03. The two options I have to convert the program are only 20 or 24. First thing I did was try to import to 20, but did not work, so I tried version 24 and it seemed to convert. Is there anything I will need to do to download this now?