Blog Archives

Request for PLC Information and Samples

I mentioned last week that I am working on what I believe is the first truly advanced non-platform-specific book on PLC Programming. My friend Tony over on Factory Automation Software Blog has reviewed some books that come the closest, but

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Posted in PLCs, Software & Programming, The Book

Ladder Logic 402: Data Manipulation and Filtering

In last weeks’ post, I discussed acquiring data using a PLC to capture values from an analog card. I showed some fairly straightforward methods of capturing data using FIFO methods, averaging data values, and how some of the ladder logic

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Posted in PLCs, Software & Programming

Ladder Logic 401: Data Acquisition and Analysis

Todays post is in response to a request by Quy Phan, who I met a couple of weeks ago while teaching for Automation Training in San Diego. He is having some problems with some existing equipment concerning noise on his

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Posted in PLCs, Software & Programming

Beckhoff Automation

I’ve written a few posts on controls platforms, notably on Allen-Bradley, Automation Direct/Koyo, and Siemens. A couple of friends have written guest posts on Idec and Panasonic. I am still hoping to get some contributors to write articles on GE,

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Posted in Controllers, Vendors and Manufacturers

Ladder Logic 105 Scanning Solution

Last week I posted a fairly straightforward question at the end of my post on PLC Scanning. I then shared the post on Linked In as well as on my company’s Facebook page. One reason I share these posts on

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Posted in PLCs, Software & Programming

Ladder Logic 105: PLC Scanning

In my last post on PLC Memory Organization, I mentioned that I had not really covered how scanning actually works in a programmable controller. This is certainly a topic that needs to be discussed for an understanding of PLC programming,

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Posted in PLCs, Software & Programming

Ladder Logic 104: Memory Organization

One of the first decisions that needs to be made when designing a PLC system is memory allocation and organization. In the early years of the PLC memory came at a premium… 1K (one kilobyte) of memory for the program

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Posted in PLCs, Software & Programming

Advanced PLC and Industrial Training

I would like to make myself available to any company or group, worldwide, that desires truly advanced training in industrial automation-related fields.

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Posted in Software & Programming, Training

Fieldservers and Protocol Converters

Today’s topic derives from a project I have become involved in in my “spare” time. Lately I have been spending a lot more time teaching classes. My project in Miami is mostly complete, so I have been able to get

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Posted in Communications, Integration, Vendors and Manufacturers

History of the PLC (Automation Direct Link)

Automation Direct has written a new post on the history of the PLC that you might find interesting. It can be found HERE and covers the early years of PLC development. It mostly discusses Dick Morley and the founding of

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Posted in PLCs
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