Today’s post is in response to Darko’s comment on my Ladder Logic 206: Scanning post. He mentioned that readers might want to learn a little bit about interrupts. It can be difficult to discuss this subject generically since different manufacturers …

Ladder Logic 207: Interrupts and Periodic Tasks Read more »

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After spending the last couple of weeks teaching PLC programming, I decided to do a little research on the popularity of the different manufacturer’s platforms worldwide. I have been asked many times in the past who the biggest, most popular, …

PLC Manufacturer Rankings Read more »

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When I worked for automation distributors I was required to promote and recommend only the products that the distributor sold. This sometimes caused a conflict of interest: is this the most appropriate solution for this application?  The first distributor I …

Which Platform Should I Use? Read more »

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