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Mitsubishi FX Programmable Logic Controllers, 2nd Edition
book

Mitsubishi FX Programmable Logic Controllers, 2nd Edition

by John Ridley
July 2004
Intermediate to advanced content levelIntermediate to advanced
352 pages
9h 30m
English
Newnes
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/0750656794-CH020.3D 202 [200–213/14]
19.6.2004 9:16PM
Program monitoring
To monitor the operation of the program in real time, carry out the following
operations:
1. Download the program COUNT3 to the FX2N PLC.
2. Display the ladder diagram.
3. Press F3 for monitor mode.
4.ThedisplaynowbecomesasshowninFigure20.2,aftersixinputpulses.
5. The ladder diagram display shows that in addition to the inputs and outputs being
monitored, so can the contents of data register D0 be mon itored.
20.2 BCD counter ^ COUNT4
Each time the input X1 is operated, the 4 7 segment display connected to Y10–Y27
will ...
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Publisher Resources

ISBN: 9780750656795