1、QUESTION:HowdoIconfigureanS7connectionfordatacommunicationbetweenanS7-200andanS7-300viaEthernet?ANSWER:TheconfigurationofanS7connectionbetweenanS7-200andanS7-300viaEthernethastobedoneontheonehandinSTEP7Micro/WINwiththeEthernetWizardfortheS7-200andontheotherinNetProfortheS7-300.FortheEthernetcommunic

2、ationbetweenthetwostationsyouneedcommunicationprocessorsandCPUsthatsupportS7communication.InthisentrywehaveexplainedallthesettingsrequiredfortheS7-200andtheS7-300usingasampleconfigurationwithCPU226,CP243-1,CPU315-2DPandCP343-1.ConfigurationoftheCP243-1usingtheEthernetWizardofSTEP7Micro/WINOpenSTEP7M

3、icro/WINandthenstarttheEthernetWizardviaToolsEthernetWizard.Fig.1:StartingtheEthernetWizardInthefirststepoftheWizardisadescriptionoftheEthernetWizard.ClickonNexttostarttheconfigurationprocess.ELhernetWizardThis詬対id皿Ihelp卩削cwfigurelheCP243-1Ethane*rnodJeinoideieonnEetanS7-200PLCIoanElbamatnclworkElhe

4、mstisb酩cdonIhoIEEE8023stafidaid.vdlhcammunlcaliorpidtocohbas：EdcnISDsdTCP/IFTheCF2-43-1modulecf恒隆d&日t陽門wmi陰iwiypLa100MbitAorathenetHoikrandsupparlsupto0cancurrentconnecliDns.IndustiidEthernetisdesignedfwindustiy.Itcanbeused、礎(chǔ)eihwnoisc-lrceinduslirdlhstedpail(IIPJtedmotogy,orhaIrKjghy點(diǎn)ardadl鹹tedp由|TP

5、technDtagy.InduslrialElhernfitcanbeinfiptenltedIooffera亦duftfiQeof占擊nspecifitus*s$Uchesswilchiig.highspeedrnediimredundancyfas-tconnectandrEdjndartnekuouks.UwirglheCP243-1module,theS7-2COFLCi$meicfeconalftle吋ihaixideianaeof扇linopiaTucis出alsijppoitEiheanBl.DickNeftoconfigureaCPmodiieFnyQurpiagrarrLPr

6、tM-F1farheJp口仃anyWizaidicrecnCancalFig.2:DescriptionoftheEthernetWizardInthewindowthatisdisplayedyouareinformedthatyourSTEP7Micro/WINprojectmustbecompiledandbeinSymbolicAddressingmode.AcknowledgethemessagewithYes.EthernetWizardeCP243-1Elhfirn試modjleinoideiioconned!anEEh&ined禰basedonlheIEEEBD23stanef

7、iard,MicDnrnurncaijonspiotOMlsbasedonISOdndTCP/IP.IheCP243-1rnadufecifcrda4tranrnissiDnupbo1OOMbi/s口verlheHBlwukrardsqppartsupto9cancuirentconrecbans.IndiKiialEthHnBlisdesignedlorhdugbyHt右日仃beuaedwthBibernoise-lrEehdugbkJt5lcdEMii(ITPIIechralciap.orfrc：InduslrvtandaidtestedrailIIPtwhnobo1皿$曲百京當(dāng)|PrKS

8、Flfarhem列Wizardscreen.CdncdFig.3:CompilingtheprojectandenablingtheSymbolicAddressingmodeIfyouareconnectedwiththeCP243-1inyourS7-200station,youcandeterminethemodulepositionoftheCP243-1automaticallyviatheReadModulesbutton.Youcanalsoenterthemodulepositionmanually.ClickonNext.Fig.4:Determiningthemodulep

9、ositionDefineauniqueIPaddressfortheCP243-1andspecifytheassociatedsubnetworkmask.AcknowledgethesettingswithNext.Fig.5:DefiningtheIPaddressandsubnetworkmaskfortheCP243-1InourexampleweneedanS7connectionforcommunicationtotheS7-300.So,forNumberofconnectionstoconfigureforthismoduleyouenter1.ClickonNext.Et

10、hErnBtWizard-ModUeCommasBjiteDeterimineIheQ-adEs：s；by匚punlingIhe口utputbplasusedbyanyl/DrradulejattachedLatheFLCbeforeiheCP243-1modde.陰P3-Feer-ba-PaerCannBctiansThaCP2431modiJewilcuppedanuaximurnd!8asjTchranousB,canDixrentownecliDns.Selectho蝕npconnKfcn$wuwishioconfiguretoUisHiodwleNumbei&conneciionst

11、oeorfiguieroithisiredulfiF31啊匸lickTJelaedilKbcomeciiorrsfartfis亡口nligut日litsn.Fig.6:NumberofS7connectionsThedialogforconfiguringtheS7connectionopens.TheS7connectioncanbeconfiguredasaclientorserverconnection.Inourexamplewehaveusedaclientconnectionforthedatatransfer,i.e.theS7connectionissetupactivelyb

12、ytheCP243-1.EntertheTSAPforconnectionidentificationbetweenthetwostations.ThefirstpartoftheTSAP(xx.)istakenfrom10+connectionnumber,andthesecondpart(.xx)oftheTSAPistakenfromtheracknumberandtheslotoftheCP343-1.InourexampletheTSAPis10.07,i.e.theconnectionnumber=0,theracknumber=0andtheslotoftheCP=7.Enter

13、theIPaddressoftheCP343-1.Specifyasymbolicnamefortheconnection.ClickontheDataTransfersbuttontodefineanewdatatransferforthisconnection.Fig.7:ConnectionconfigurationInordertoreaddatafromtheS7-300youselectReaddatafromtheremoteserverconnection.Enterthenumberofdatabytestobereadfromtheserverandspecifywhere

14、thisdataislocatedintheS7-300.DefineastorageareaintheS7-200forthedataread.Assignasymbolicnameforthedatatransfer.AcknowledgethesettingswithOK.Fig.8:ConfiguringthedatatransferSincetheconfigurationoftheCP243-1modulemaynolongerbechanged,youselectthesettingwithCRCprotection.YoucanspecifytheKeepAliveInterv

15、alwiththedefaulttime.ClickonNext.EthernetWizard-CHCPVQieciiortThewizardcangEnertea匚R匚toheipcdlBdltheradule-ccflfiguratiQnFiomininl日nlionmlmerrwovswites.Hortevei.ihi$picectionwil洌鮒川proamfiommakingmadficatiantolhecanligLralionsflrunliime.丫begenerateCHCpaatecliorifor臧canligualionhIhBdatablock.No,danatg

16、EneratcCRCpratccbanFathisconfiguialjon.KwpALveIrteiYsilWhenCTHHECed啊Ih臼陽mctEODmrrjnictnnspartnef,.gi艸hsccCanedFig.10:Selectingastorageareafortheconfiguration11.ClosetheEthernetWizardwithFinish.TheEthernetWizardgeneratestheprojectcomponentsrequired.Fig.11:ClosingtheEthernetWizard12.Inthemainprogram(M

17、AIN(OB1)youaddthecalloftheETH0_CTRL(communicationsetup)andthecalloftheETH0_XFR(readdatapackages).TheparametersChan_IDandDataoftheETH0_XFRblockcanbeselectedwitharight-click.Fig.12:Addingtheprogramcodeinthemainprogram13.SavetheconfigurationandloaditintheS7200.ConfiguringanunspecifiedS7connectioninNetP

18、ro1.OpenyourSTEP7projectwiththeconfiguredSIMATICS7-300stationandswitchtoNetProviaOptionsConfigureNetwork.Fig.13:StartingNetPro2.MarktheCPUintheSIMATICS7-300stationandcreateaconnectionviaInsertNewConnection.Fig.14:Insertinganewconnection3.SelectanunspecifiedS7connectionasconnectiontype.Fig.15:CreatinganunspecifiedS7connectionThePropertiesDialogfortheS7connectionopens.RemovethecheckmarkforEstablishanactiveconnection,becausetheconnectionissetupbytheS7-200.ForthepartneraddressyouentertheIPaddressoftheS7-200.ThenclickonAddressDetails.Fig.16:PropertiesoftheS7connecti