PROGRAMMABLE LOGIC CONTROLLERS (LOOSE PA
PROGRAMMABLE LOGIC CONTROLLERS (LOOSE PA
5th Edition
ISBN: 9781264206216
Author: Petruzella
Publisher: MCG
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Chapter 13, Problem 13P
Program Plan Intro

Suspend (SUS) instruction:

  • The SUS instruction refers to a diagnostic instruction.
  • It is used to trap and identify specific conditions for program debugging as well as for system troubleshooting.
  • It is also used to diagnose the ladder logic program for trouble shooting by placing the controller in suspend or idle mode.

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