Category: Controllers

PLCs, Computer control, DCS Systems, Microcontrollers

Panasonic PLCs

Today’s post is a guest post from my friend Tony, whose Factory Software Blog is an excellent resource for software, factory automation and… pens! Tony was a technical reviewer for my book Industrial Automation: Hands On and provides a different

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Posted in Controllers, Guest Posts, PLCs, Software & Programming, Vendors and Manufacturers Tagged with: , ,

Hands On Training Equipment

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

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Posted in Material Handling, My Little Factory, Process, Software & Programming, Trainers, vision Tagged with: , , , , , ,

Ladder Logic 403: Message Scrolling and Multiple Faults

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

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Ladder Logic 209: Faults and Messages

This post is another in my series on Ladder Logic. As with the other posts in this series, I am using generic logic and addressing so that it can apply to various PLCs. In previous posts in this series I

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Posted in HMIs, PLCs, Software & Programming Tagged with: , , , , ,

My New Trainers!

Well, its official. I have my first actual PLC trainers, in addition to the ones on the wall in My Little Factory. I think they’re awesome! They did take 8 weeks to build, but as more are made I think

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Posted in My Little Factory, PLCs, Trainers, Training Tagged with: , , , ,

Ladder Logic 208: System Routine 2

Today’s post is a continuation of the series on PLC Ladder Logic I started several years ago; for more of these post click on the PLC tab at the top of the site. In particular this continues my discussion of

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Unitronics

Today’s post, as promised last week, is written by Ryan McCarthy, a reader of this blog. While I always offer to place a reciprocal link to the website of whoever contributes guest posts to this site, amazingly Ryan is neither

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Posted in PLCs, Vendors and Manufacturers Tagged with: , , , , , , ,

My Little Factory – April 2017

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

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Posted in Applications, Conveyors, Load Cells, Material Handling, My Little Factory, PLCs, Pneumatics, Process, Sensors, The Course, Training, vision Tagged with: , , , , , , , , , , , , ,

Birth of the Programmable Controller

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!

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Ladder Logic 305: ASCII and Strings

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

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Posted in PLCs, Software & Programming, The Book Tagged with: , , , , ,

The Difference Between PLCs and Computers

What makes a PLC different from a typical computer? After all, computers are used to control things, they can even run a software PLC. This short video is part of the introduction to a new training course I am producing

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Posted in PLCs, Training Tagged with: ,