Q. The primary function of a PLC? input circuitry is to convert the signals provided by these various switches and sensors into _ that can be used by the CPU.
Solution:
The primary function of a PLC? input circuitry is to convert the signals provided by these various switches and sensors into logic signals that can be used by the CPU. The CPU evaluates the status of inputs, outputs, and other variables as it executes a stored program. The CPU then sends signals to update the status of outputs.
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