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Stephen Gates
5 Results Found
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A Beginner's PLC Overview, Part 3 of 4: PLC Inputs and Outputs (I/O)
It's time to get a little more specific with what the PLC CPU controls: PLC I/O! This article will discuss discrete I/O, analog I/O and briefly introduce industrial communications protocols. -
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A Beginner's PLC Overview, Part 2 of 4: PLC Processors (CPUs)
In part 1 of the Beginner's PLC Overview, we talked about what PLCs are, their history, and how they work. This article will get a little deeper into the PLC's Central Processing Unit (CPU).