Tag: Allen-Bradley

Hello all, I know its been a long time since I last posted, a lot going on here. Most importantly, my new book, Advanced PLC Hardware and Programming, is officially on sale! Final edits were done last week, and the …

Advanced PLC Hardware and Programming Read More »

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Just an update on my PLC Trainer project. These are two of the Allen-Bradley Micrologix 1400 Trainers along with the Fischertechnik models I mentioned in my last post. The program and documentation for the Color Sorter, shown at left, is completed. …

Fischertechnik and PLC Trainers 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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I just got back from teaching a class in California using the conveyor and training demo mentioned in my previous post on Automation NTH. I have discussed training quite a bit on this blog before, but I feel like this …

Advanced PLC Training using Industrial Equipment Read More »

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This post is the first in a series I am writing about a project I am working on, hence the “April 2017” designation. As most of my regular readers know, I have spent much of the past several years teaching …

My Little Factory – April 2017 Read More »

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Today’s post is extracted from my new “generic” PLC course manual, PLC Hardware and Programming – Multi-Platform. In the manual, I also cover the origins of the computer, beginning with the Babbage Analytical Engine, all the way back in 1823! …

Birth of the Programmable Controller 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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Today’s post is in response to an e-mail I received asking for my thoughts on Tag Structure. In part, George Steel wrote: Great site, thanks for all your efforts. I am working on positioning my org to move from RS500 …

Tag Structures and Dotfields Read More »

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As I have mentioned previously, I have been working on a generic PLC course that I hope to release in some kind of online software format soon. I was able to test a prototype a few weeks ago with a …

PLC Memory Read More »

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