Question

What are the basic PLC scan cycle?

Answer 1

Answer:

The scan cycle consists of three steps: input scan, executing program(s), and output scan. Input Scan: A simple way of looking at this is the PLC takes a snapshot of the inputs and solves the logic.

Answer 2

Answer:

The scan cycle consists of three steps: input scan, executing program(s), and output scan. Input Scan: A simple way of looking at this is the PLC takes a snapshot of the inputs and solves the logic.