S7200与S7300的以太网通讯.docx
- 文档编号:10850607
- 上传时间:2023-02-23
- 格式:DOCX
- 页数:13
- 大小:768.62KB
S7200与S7300的以太网通讯.docx
《S7200与S7300的以太网通讯.docx》由会员分享,可在线阅读,更多相关《S7200与S7300的以太网通讯.docx(13页珍藏版)》请在冰豆网上搜索。
S7200与S7300的以太网通讯
EntryID:
17369594
Date:
10/16/2003
QUESTION:
HowdoIconfigureanS7connectionfordatacommunicationbetweenanS7-200andanS7-300viaEthernet?
ANSWER:
TheconfigurationofanS7connectionbetweenanS7-200andanS7-300viaEthernethastobedoneontheonehandinSTEP7Micro/WINwiththeEthernetWizardfortheS7-200andontheotherinNetProfortheS7-300.FortheEthernetcommunicationbetweenthetwostationsyouneedcommunicationprocessorsandCPUsthatsupportS7communication.InthisentrywehaveexplainedallthesettingsrequiredfortheS7-200andtheS7-300usingasampleconfigurationwithCPU226,CP243-1,CPU315-2DPandCP343-1.
ConfigurationoftheCP243-1usingtheEthernetWizardofSTEP7Micro/WIN
1.OpenSTEP7Micro/WINandthenstarttheEthernetWizardvia"Tools>EthernetWizard...".
Fig.1:
StartingtheEthernetWizard
2.InthefirststepoftheWizardisadescriptionoftheEthernetWizard.Clickon"Next"tostarttheconfigurationprocess.
Fig.2:
DescriptionoftheEthernetWizard
3.InthewindowthatisdisplayedyouareinformedthatyourSTEP7Micro/WINprojectmustbecompiledandbeinSymbolicAddressingmode.Acknowledgethemessagewith"Yes".
Fig.3:
CompilingtheprojectandenablingtheSymbolicAddressingmode
4.IfyouareconnectedwiththeCP243-1inyourS7-200station,youcandeterminethemodulepositionoftheCP243-1automaticallyviathe"ReadModules"button.Youcanalsoenterthemodulepositionmanually.Clickon"Next".
Fig.4:
Determiningthemoduleposition
5.DefineauniqueIPaddressfortheCP243-1andspecifytheassociatedsubnetworkmask.Acknowledgethesettingswith"Next".
Fig.5:
DefiningtheIPaddressandsubnetworkmaskfortheCP243-1
6.InourexampleweneedanS7connectionforcommunicationtotheS7-300.So,for"Numberofconnectionstoconfigureforthismodule"youenter"1".Clickon"Next".
Fig.6:
NumberofS7connections
7.ThedialogforconfiguringtheS7connectionopens.TheS7connectioncanbeconfiguredasaclientorserverconnection.Inourexamplewehaveusedaclientconnectionforthedatatransfer,i.e.theS7connectionissetupactivelybytheCP243-1.
∙EntertheTSAPforconnectionidentificationbetweenthetwostations.ThefirstpartoftheTSAP(xx.)istakenfrom10+connectionnumber,andthesecondpart(.xx)oftheTSAPistakenfromtheracknumberandtheslotoftheCP343-1.
InourexampletheTSAPis10.07,i.e.theconnectionnumber=0,theracknumber=0andtheslotoftheCP=7.
∙EntertheIPaddressoftheCP343-1.
∙Specifyasymbolicnamefortheconnection.
Clickonthe"DataTransfers"buttontodefineanewdatatransferforthisconnection.
Fig.7:
Connectionconfiguration
8.InordertoreaddatafromtheS7-300youselect"Readdatafromtheremoteserverconnection".EnterthenumberofdatabytestobereadfromtheserverandspecifywherethisdataislocatedintheS7-300.DefineastorageareaintheS7-200forthedataread.Assignasymbolicnameforthedatatransfer.Acknowledgethesettingswith"OK".
Fig.8:
Configuringthedatatransfer
9.SincetheconfigurationoftheCP243-1modulemaynolongerbechanged,youselectthesettingwithCRCprotection.YoucanspecifytheKeepAliveIntervalwiththedefaulttime.Clickon"Next".
Fig.9:
CRCprotectionandKeepAliveInterval
10.Selectafreeaddressareaforstoringtheconfiguration.
Fig.10:
Selectingastorageareafortheconfiguration
11.ClosetheEthernetWizardwith"Finish".TheEthernetWizardgeneratestheprojectcomponentsrequired.
Fig.11:
ClosingtheEthernetWizard
12.Inthemainprogram("MAIN(OB1)")youaddthecalloftheETH0_CTRL(communicationsetup)andthecalloftheETH0_XFR(readdatapackages).Theparameters"Chan_ID"and"Data"oftheETH0_XFRblockcanbeselectedwitharight-click.
Fig.12:
Addingtheprogramcodeinthemainprogram
13.SavetheconfigurationandloaditintheS7200.
ConfiguringanunspecifiedS7connectioninNetPro
1.OpenyourSTEP7projectwiththeconfiguredSIMATICS7-300stationandswitchtoNetProvia"Options>ConfigureNetwork".
Fig.13:
StartingNetPro
2.MarktheCPUintheSIMATICS7-300stationandcreateaconnectionvia"Insert>NewConnection...".
Fig.14:
Insertinganewconnection
3.SelectanunspecifiedS7connectionasconnectiontype.
Fig.15:
CreatinganunspecifiedS7connection
4.ThePropertiesDialogfortheS7connectionopens.Removethecheckmarkfor"Establishanactiveconnection",becausetheconnectionissetupbytheS7-200.ForthepartneraddressyouentertheIPaddressoftheS7-200.Thenclickon"AddressDetails...".
Fig.16:
PropertiesoftheS7connection
5.ThepartnerTSAPsettingsmustmatchthelocalsettingsinFig.7.However,thelocalTSAPiscalculateddifferentlythanfortheS7-200.LocalTSAP=10+ConnectionNumber.RackNumber+SlotoftheCPU.ThecorrectTSAPinthismaskistherefore10.02.
Fig.17:
Specificationoftheaddressdetails
6.Saveandcompiletheconfiguration.ThendownloadthecompleteS7-300stationfromNetPro.
7.Switchtotheblockfolder.CreateDB11withasufficientdatalength,becausethiscontainsthedataforthecommunication(Fig.8).Downloadthisalsointothecontroller.
8.Configurationisnowcompleted.
9.YoucannowmonitortheReceivedataarea(here:
VB1000)onlineviathestatustableinSTEP7Micro/WINandcheckwhetheradatatransferisbeingmade.
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- S7200 S7300 以太网 通讯