July 2004
Intermediate to advanced
352 pages
9h 30m
English
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
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//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/ 0750656794-CH021.3D – 226 – [214–243/30]
19.6.2004 9:17PM
(seeSection21.15),thepneumaticcontrolprojectPNEU1canbequiteeasilysimulated
andtestedwithouttheneedforaPLC.
Afteraprogramhasbeendownloadedintoladderlogictester,thentheI/Osetting
functionwilldisplaytheeffectsofforcinginputsandoutputsON/OFFandalsothe
effectofforcingnumericalvaluesintodataregisters.
TodescribethebasicoperationofI/Osystemsetting,theprogramLLT2willbe
used.
Ladderdiagram^LLT2
TurningInputX0OFF/ONwillincrementthecontentsofD0.
21.10Procedure^I/Osystemsetting
1. Quitting ladder logic tester:
Ifladderlogictesterisstillbeingexecut
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