Question

Timing diagrams can help in understanding the logical outputs of PLCs: Only if the inputs are known . Only if the scan time
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Answer #1

In the question a Multiple choice type question is asked about the understanding of PLC output. Let's answer the problem in brief

Timing diagrams can help in understanding the logical output of the PLC's if the scan time is faster than the process time.

So the answer is option B. If the scan time is faster than the process time.

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