西门子TDC与S7400以太网通讯Word格式文档下载.docx
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西门子TDC与S7400以太网通讯Word格式文档下载.docx
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Fornetspeeditcanworkwith10Mbitand100Mbitnetwork,themodulecanautomaticallysensethenetspeed.
2.TDCconfigurationsteps
2.1HardwareconfigurationinSIMATICManager
2.1.1CreateanewS7project
2.1.2InsertaTDCstation
2.1.3SelecthardwareconfigurationinSIMATICManager,doubleclicktoopenit
2.1.4Insertthesubrack,CPU,communicationboardCP51M1andothermodulefromthehardwarecatalog
Keepthesametypewithwhichisusedinthesubrack.
2.1.5DefinetheCPUmoduleandcommunicationmoduleproperties
ForCP51M1,weneedtodefinethemodulenamefirstly
ForEthernetpropertyweneedtodefinetheIPaddressandsubnetmask
2.1.6Saveandcompiledthehardwareconfiguration
2.2CFCprogramming
2.2.1InsertaCFCprograminSIMATICManager,doubleclickittoopenit
2.2.2InserttheTCPIPcommunicationblockintothechart,definetheconnectionaddresswhichissetinthehardwareconfigurationandselectthepropercycletime
2.2.3InsertthesendfunctionblockCTV_P,definetheconnection:
CTS
P51M1hardwareaddresswhichissetinhardwareconfiguration
AT
channelname.protocoltype–CP51M1portnumber.partnerIPaddress–partnerportnumber,
forexample:
'
TRAN.T-02004.192168000003-02002’
MOD
normallyweselecthandshakemode
EN
setto1toenabletheFB
NBY
definethetelegramlengthinbytes
2.2.4InserttheDWR_Dblocktowritethecommunicationcontenttothecommunicationbuffer
Herewecandefinetheoffsetinthecommunicationbufferbysetconnector1/2.Thefinalresultisthesumofoffset1andoffset2.
ForconnectorSWPwesetitto1ifitcommunicateswithaPLC.
ThedatawetrytosendissetinconnectorX,hereis44asanexample.
Forreceivepart,wecandoitinthesameway.
ForconnectorARofCRV_P,wedonotneedtodefinethepartnerIPaddress–partnerportnumber.
2.2.5Compiledtheprogramanddownloadittothememorycardandrestartthesystem
3.S7-400configurationsteps
3.1S7hardwareconfiguration
FirstinserttheS7-400station,andthenopenthehardwareconfigurationtoinsertthemoduleswhichareavailableonthesubrack.
ForCP443-1moduleweneedtodefinetheIPaddressandsubnetmask.
TheIPaddresswillbeusedintheCFCprogram.
3.2networkconfigurationintheNetprosoftware
OpenNetprounderhardwareconfigurationmenu
SelecttheCPUintheSIMATICstationandinsertanewconnection,
SelectunspecifiedstationandTCPconnection,pressapplybutton.
SelecttheIDnumber,recordtheaddressLADDR.
BothofthemwillbeusedintheS7program.
Underaddressmenuweneedtosetthelocalportnumber,partneraddressandportnumber,pressOKbuttontoconfirmthesetting.
Forotherconnectionyouneed,youcandoitinthesameway.
Thenweneedtosaveandcompiletheconfiguration.
Weneedtodownloadnotonlythehardwareconfiguration,butalsotheNetproconfigurationtotheCPU.
3.3ProgrammingintheS7CPU
FortheindustrialEthernetcommunicationweusetheFC5AG_SEND,FC6AG_RECVblock.
TheseblockstransferandreceivethedataontheconfiguredTCPconnectiontoandfromtheEthernetCP.
HerewemadetwoFCseparatelyforsendandreceivefunction,oneisFC30forFC5,andanotherisFC31forFC6.
ForFC5,weneedtodefine:
ACT:
setittoonetotriggerFC
ID:
connectionIDnumberwhichissetinNetpro
LADDR:
CPmodulestartaddresswhichissetinhardwareconfiguration,also
availableinNetpro.TheaddressisinHEXmode,forexample3FF8H
SEND:
setthetransferdataaddressandbufferlength
keeptheformatforexampleP#DB31.DBX100.0BYTE8
LEN:
numbersofbytestobesendfromthetransportdataareawiththisjob
DONE:
bitsignalforexecutedstatus
ForerrorevaluatewecanchecktheconnectorErrorandStatus.ForthestatuscodewecangetdetailinformationintheFC5descriptiondocumentation.
ForFC6,wecandoitinthesameway.
BecauseweuseDB30andDB31intheprogramFC30andFC31,wemustinsertthesetwodatablockanddownloadittotheCPU.
4.Physicalconnection
TDCside:
CP51M1supplyRJ45interface
S7side:
CP443-1supplyRJ45interface
BetweenthedoublesidesweneedaSwitchtoconnect.
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