Author: Frank

Ladder Logic 306: Simulation

Today’s post relates to a new method I am using to teach some of my advanced classes. In a basic PLC training class, pushbuttons and pilot lights built into a trainer are used to complete exercises, usually in order to

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

PLC Security

This post is another guest post from MRO Electric. I thought it was an interesting topic. ************************************************************************ PLC Security In The Heating Industry: Keep Your Friends Close, and Your Enemies Closer No one understood or more succinctly described strategies and

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Manufacturing Terms, Buzzwords and Acronyms

As part of a consulting project I am involved in, I have created a list of acronyms and terms that are used in manufacturing and industrial automation. These are terms and acronyms from Lean/Six-Sigma, controls, electronics, business software and general

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MRO – Moving HMI Designs

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.

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How To Design And Build A Small Controls Project

Today’s post is a response to frustration. Some times when dealing with potential customers you waste a lot of time trying to save them money. They may want you to cut corners, spend a lot of your time (for free)

Posted in Applications, Consulting, Controls Design, Machine Design, Techniques, Thoughts 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

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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Application: Sensor Choices 103

Today’s post concerns how sensor choices are made in real applications. I have written various posts on sensors in the past, and even participated in a Control Engineering webcast and forum last year on the topic. While I have covered

Posted in Applications, Machine Assembly and Fabrication, Photoeyes, Sensing, Sensors Tagged with: , , ,

Happy New Year! What Can I Teach You?

Hey, I know the holiday season is gone, but Happy New Year anyway! After all, the year is still pretty new and I’m sure everybody is excited and optimistic. Usually around this time of year I post my plans and

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