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Learn PLC Programming without spending a dime!

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plc basics programmable logic controller

I have been writing PLC programs for over 20 years. I often get asked what the best way to learn PLC programming is. Programming in the way I was taught in college was with the Motorola 6809. (Yes, I know that I am dating myself) This was microprocessor programming, but it was the best way … Read more

The Secret of Using Counters – PLC Programming

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We will now look at the secret of using counters in the PLC. (Secret Using Counters) Counters are used in the majority of PLC programs. This is especially true if part of your SCADA system. Counters like the animated picture above count things. In this situation, we count the number of turns the little guy … Read more