理解s7--200网络通讯的基本概念-毕业论文外文文献翻译

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1、英文资料原文UnderstandingtheBasicsofS7-200NetworkCommunicationsSelectingtheCommunicationInterfaceforYourNetworkTheS7-200isdesignedtosolveyourcommunicationsandnetworkingneedsbysupportingnotonlythesimplestofnetworksbutalsosupportingmorecomplexnetworks.TheS7-200alsoprov

2、idestoolsthatallowyoutocommunicatewithotherdevices,suchasprintersandweighscaleswhichusetheirowncommunicationsprotocols.TheS7-200supportsmanydifferenttypesofcommunicationnetworks.TheselectionofanetworkisperformedwithintheSetPG/PCInterfacepropertydialog.Aselected

3、networkisreferredtoasanInterface.Thedifferenttypesofinterfacesavailabletoaccessthesecommunicationnetworksare:1.PPIMulti-Mastercables2.CPcommunicationcards3.EthernetcommunicationcardsToselectthecommunicationinterfaceforSTEP7—MicroAVIN,youperformthefollowingsteps

4、.SeeFigure7-1.1.Double-clicktheiconintheCommunicationsSetupwindow.2.SelecttheinterfaceparameterforS«tPG/PCIntedecw0d~3AccetiHcfwoAP.aneteM^docotMgrMSMK>n（HSA）AccettofrSearchaim*PC/PRiuU"（PC/PRc

5、i-MasterCablesTheS7-200supportscommunicationthroughtwodifferenttypesofPPIMulti-Mastercables.ThesecabletypespermitcommunicationthrougheitheranRS・232oraUSBinterface.AsshowninFigure7-2,selectingthePPIMulti-Mastercabletypeissimple.Youperformthefollowingsteps:1.Clic

6、kthePropertiesbuttonontheSetPG/PCInterfacepropertypage.2.ClicktheLocalConnectiontabonthePropertiespage.3.SelecttheUSBorthedesiredCOMport.SetPG/PCInteffaceAccettPdTh

7、AccettPortdtheAppbcMorI□(StandardlotMicroAVIN)InterfaceParmeterA$$^nmertUsed

8、PO*PRcdbHPR)~~Ropym

9、[(f)S0PC/PPIeAte(PPl)iHTCP/IP•>3C53C320浮(Ass>gnng上_・■FImerftceAdd/Re

10、OKjFigure7-2PPIMulti-MasterCableSelectionMTCP/IPTipPleasenotethatonlyoneUSBcablecanbeusedatatime.TipExamplesinthismanualusetheRS-232/PPIMulti-Mastercable.TheRS-232/PPIMulti-Mastercablere

11、placesthepreviousPC/PPIcable.AUSB/PPIMulti-Mastercableisalsoavailable.RefertoAppendixEforordernumbers.UsingMasterandSlaveDevicesonaPROFIBUSNetworkTheS7-200supportsamaster-sl