Recently I’ve seen some good discussions on PLCs (Programmable Logic Controllers) vs. PACs (Programmable Automation Controllers), and it got me thinking about what really differentiates the two. Some have said that it is having a more powerful processor, or more …

Advantages of Re-Usable Code 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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Today’s post is the second “advanced” topic I have covered on PLC ladder logic, The first being toggle circuits. It is often necessary to track data on individual parts through a machine or production line. If using devices like barcode/datamatrix …

Ladder Logic 302: Data Tracking and Structure Data Type Read more »

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