Activities Manual For Programmable Logic Controllers
Activities Manual For Programmable Logic Controllers
5th Edition
ISBN: 9781259682476
Author: Frank Petruzella
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 13, Problem 6P

Explanation of Solution

Causes of the problem:

  • If the output device does not operate as programmed even when the controller is in RUN mode, then the fault condition is obtained.
  • For this purpose, proper voltage must be measured across the output terminals to indicate the type of fault...

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