Major functions of an I/O module fall into the following categories: Control and timing; • Processor communication; • Device communication; • Data buffering; • Error correction.
What does
If you've delved into PLCs at all, you should know what PLC inputs/outputs (I/O) are. But here's a quick refresher... PLC I/O is the part of the PLC that connects the brain of the PLC (the CPU), to the outside world, the machines, the switches, the push-buttons, etc.
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