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)
Question
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Chapter 9, Problem 5RQ
Program Plan Intro

a.

Jump instruction:

In PLC programming, the jump instruction is an output instruction used to jump over certain program instructions when certain condition exists. When the jump rung becomes true, it makes the ladder program to skip over rungs of the ladder program.

Explanation of Solution

b.

Duplicate programming:

  • At the time of activating a JSR instruction, the control moves to the subroutine file for completing the task in that file and then moves back to the main file...

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