Today’s topic involves a project I have been working on over the last few months. The project consists of adding process equipment including tanks, pumps, valves and instrumentation to an existing system… while it is running. Because production runs 24 …

Ladder Logic 303: PLC Forensics Read more »

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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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This post is a continuation of a series I started a couple of weeks ago on PLC platforms. So far I have covered Allen-Bradley and Siemens, this week I am going to discuss the Automation Direct and Koyo platform. Koyo …

Automation Direct (Koyo) PLCs Read more »

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Continuing the series I began last week with the Allen-Bradley PLC platform, this week I am discussing the Siemens family. My first exposure to Siemens PLCs was in the late 1990s when I customer wanted a quote on upgrading their …

Siemens PLCs Read more »

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Most readers of this blog know that I go out of my way to be non-brand-specific and unbiased in my presentation of automation topics. So far I have refused to place advertisements for any manufacturer’s on this site, though I …

Allen-Bradley PLCs Read more »

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