Easy Electronics xLogic Micro PLC - Chapter 7 Applications; Dual-Function Switch

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Chapter7Applications
InordertoletusersknowthefargoingapplicationfieldofxLogic,wepresentasetofapplicationexample.
Eachinstanceincludesthecircuitprogramofitsoriginalsolutionandthecompareofsolutioninwhich
xLogichasbeenapplied.
Youcanfindthefollowingsolution:
Dual-functionswitch
Automaticgate
Ventilationsystem
Industrydoor
Daylightlamps
Rainwaterpump
Note:
TheapplicationexampleofxLogicisavailablefreeofchargetoourclients,butwecan’tmakeany
promise,itisonlytoexplainthegeneralruleofusingxLogic.Itispossiblethattheseinstancescanbe
differentfromuser’sspecificapplication,sousershouldtakeallrelatedresponsibilityofrunningthose
instancesystems,andwesincerelysuggestusershallrefertorelevantnationstandardandinstallation
rulesrelatedtosystems.Also,wehavetopointoutthaterrorisunavoidable,andwereservethe
accordingmodificationrights.
7.1Dual-functionswitch
Requirementsforstairwaylightingsystems
Thebasicrequirementsforastairwaylightingsystemareasfollows:
l Whensomeoneisusingthestairs,thestairwaylightsshouldbeon.
l Ifnooneisinthestairway,thelightsshouldgooutinordertosaveenergy.