外文翻译----通讯连接项目

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1、附录A外文原文Configurecommunication1.ConfigurecommunicationIntroductionThischaptercontainsinformationonconfiguringthecommunicationbetweenWinCCandanautomationsystem.Thischapteralsodescribeshowyoucreateandscaletags.GeneralprocedureUsetheeditor"Tagmanagement"toconfigureth

2、ecommunication.Youwillneedatleastthefollowingcomponentstoconfigurethecommunication:①Onechannelwithchannelunits②Oneconnection③OneprocesstagInpractice,youwillachieveaccesstothecurrentprocessvaluesoftheautomationsystembytheconfiguredcommunication.Youdonotneedanautom

3、ationsystemforthe"Quick_Start"project.Inthisproject,thevaluesaretransportedviaaninternaltagwithinWinCC.TheconfigurationofthecommunicationbetweenWinCCandtheautomationsystemaswellasthelinearscalingoftheprocesstagsareonlyintendedasexercisesforpractice.2.Checkthechan

4、nelsandconnectionsinWinCCIntroductionViathechannelsandconnectionsyouwilldetermineclearly,howtheautomationsystemisconnectedtoWinCC.ThechannelsThechannelsarespecializedcommunicationdrivers.Thechannelsallowthesupplyofprocessvaluesfromtheautomationsystemtotheprocesst

5、ags.WinCCprovidesavarietyofchannelstoconnectdifferentautomationsystems.InWinCC,youcanalsousechannels,viawhichvaluesaretransferredtotheautomationsystemfromWinCC.Youwillcontroltheprocessviathesechannels.ThechannelunitsThechannelshavedifferentchannelunitsforthediffe

6、rentcommunicationnetworks.Thischannelunitisthenusedtoaccesstoacertaintypeofautomationsystem.Achannelunitservesasaninterfacewithexactlyoneunderlyinghardwaredriverandthereforetoexactlyonecommunicationprocessorinthecomputer.TheconnectionsInchannelunits,youwillconfig

7、ureconnectionstothevariousautomationsystems.Eachconnectiondescribestheinterfacetoanindividual,definedautomationsystem.ThedataexchangewilltakeplaceviatheconnectionsinRuntime.3.TagsinWinCCIntroductionThetagsinWinCCrepresenteitherrealvaluesorinternalvalues.Theintern

8、alvaluesarecalculatedorsimulatedwithinWinCC.WinCCmanagesalltagsinthe"Tagmanagement"editor.ProcessTagsTheconnectinglinkfortheexchangeofdatabetweenWinCCandtheaut