Overview of IEC 61131-3 Start TR1 Init ACT1 Mario IN2ANDIN3 TR2 TR4 deSousa Step2 Step3 N ACT1 IN5 Step1 Step4 D IN5 T#10s IN1 P IN2:=TRUE; msousa@fe.up.pt TR3 IN5 start Init U.PORTO FEUPFACULDADEDEENCENHARIA
Overview of IEC 61131-3 start IntroductiontoIEC61131andRelatedStandards IEC61131-3StandardArchitecture ProgrammingLanguages IEC61131-3ExecutionModel StandardFunctionsandFunctionBlocks TR4 Examples step Step ACT1 IN5 Stepl Step4 IN1 IN5 IN2 =TRUE TR3 IN5 Start nt U.PORTO Mario de Sousa (msousa@fe.up.pt) . 2011 FEUPFACULDADEDEENGENA
Introduction to IEC 61131 IEC61131standardizesmanyaspectsofPLCs ：IEC61131isposedby8parts: 61131-1Generalinformation 61131-2Equipmentrequirementsandtests 61131-3:Programminglanguages 61131-4:Userguidelines 61131-5:Messagingservicespecification 61131-6:Communicationsviafieldbus 61131-7:Fuzzycontrolprogramming 61131-8:Guidelinesfortheapplicationandimplementationof programminglanguages(NonNormative) U.PORTO Mario de Sousa (msousa(@fe.up.pt) 2011 FEUP
Introduction to IEC 61131 1IEC61131-3 First version approved in 1992 Secondversionapprovedin2003 Introduces some changes but these will mostly gounnoticedbymostprogrammers Thirdversionapprovedin2013 Introducesmanyinnovations includingfullsupport forObject Oriented programming(classes inheritance interfaces .). Many Manufacturers are currently supporting some variation of the second version. Theseslidesfocusonversion2 U.PORTO Mario de Sousa (msousa@fe.up.pt) . 2011 FEUP FACULDADEDEINGENHARIA
Introduction to IEC 61131 AdvantagesofusingIEC61131-3 UsuallyprovidesmorefeaturesthanpreviousproprietaryProgrammingLanguges ReducestrainingtimewhenchangingtonewPLCvendor Easesexchanging andportingprogramsbetweenPLCsofdistinctvendors PotentialissuesinusingIEC61131-3 MostvendorssupportaratherreducedsubsetofIEC61131-3concepts TheIEC61131-3standardleavesmanydetailsunspecified resultingindifferences betweenIEC61131-3implementations (mayleadtostrangebugs...) U.PORTO Mario de Sousa (msousa(@fe.up.pl) 2011 FEUP
IEC61133-3概述 Overview of lEC 61131-3 英文版.pdf
