Today’s post is another guest article, this one written by Steve Myres. Steve owns Automation Solutions, a controls integration company that also provides machine mechanical, electrical, and fluid power troubleshooting and design. ************************************************************ Dynamic addressing In this article, I’ll describe …

Dynamic (Indirect) Addressing Read more »

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Today’s video is in response to a post I put on my Facebook automation forum, Automation Training. Jason Lafever asked if I would cover a bit on Allen-Bradley’s MSG (Message) Instruction, and cover Produced-Consumed Tags. I decided to split these …

Ladder Logic 308: Allen-Bradley’s MSG (Message) Instruction – Video Read more »

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Today’s post is a guest post on HMI programming from MRO Electric, an automation product supplier. Designing HMIs for Mobile Devices Well-designed human-machine interfaces (HMI) reduce operator error, saving companies millions of dollars by reducing down-time and increasing worker safety. …

MRO – Moving HMI Designs Read more »

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This post is both an update on the status of “My Little Factory” and an article on some new fun trainers that I am working on. As you can see in the above picture, all of the hardware for the …

Hands On Training Equipment Read more »

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Today’s post is in answer to a question from Bruno on my last post on Faults and Messages. Bruno asks “If two faults happen at the same time, will this procedure work?” This is a more complex question than it …

Ladder Logic 403: Message Scrolling and Multiple Faults Read more »

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Today’s post covers ASCII, string manipulation and how to deal with readable text in a PLC. The picture above is from a ControlLogix program (Allen-Bradley, RSLogix5000 v.16) I wrote back in 2006. The program communicated with a PC-based Cognex machine …

Ladder Logic 305: ASCII and Strings Read more »

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