松下通讯协议MEWTOCOL说明.doc

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1、ComputerLinkMEWTOUOL—UOMFEATURES1.Dedicateprocedureandinteractiveoperation.2.ASCIIcodetransmissions.3.Theinitialrighttosendisatthepersonalcomputer.4.Therighttosendshiftseachtimethecommandmessageissent.DESCRIPTIONCommandMessage:Formats%AD(H)AD(L)#CommandcodeT

2、extcode1BCC(H)BCC(L)CR^HorizontalparityrangeResponseMessage(normal):%AD(H)AD(L)$ResponsecodeTextcode1BCC(H)BCC(L)CRResponseMessage(error)：%AD(H)AD(L)I0Error(H)Error(L)BCC(H)BCC(L)CRCOMMANDSCommandCodeDescriptionRCSReadsinglepointofcontactinformationwcsWrites

3、inglepointofcontactinformationRCPReadpluralpointofcontactinformationWCPWritepluralpointofcontactinformationRCCReadwordunitofcontactinformationWCCWritewordunitofcontactinformationSCPresetwordunitincontactareaRDReaddataareaWDWritedataareaSDPresetofdataareaRSRe

4、adtimerandcountersetvalueareawsWritetimerandcountersetvalueareaRKReadtimerandcounterelapsedvalueareaWKWritetimerandcounterelapsedvalueareaMCRegistrationandresetofmonitorcontactMDRegistrationandresetofmonitordataMGMonitorexecutionRRReadsystemregisterWRWritesy

5、stemregisterRTReadProgrammableController(PC)statusRPReadprogramWPWriteprogramRMRemotecontrol(RUN/PROGRAMmodeswitching)ABTransmissionabortcommandCONTACTANDDATACODES1.ContactCodesContactCodeDescriptionXExternalInputYExternalOutputRInterdqIRelayTTimerCCounterLL

6、inkRelay2.DataCodesDataCodeDescriptionDDataRegisterLLinkRegisterFFileRegisterSPresetValueKElapsedValueIXIndexRegisterExternalInputIYIndexRegisterExternalOutputWXWordExternalInputWYWordExternalOutputWRWordInternalRelayWLWordLinkRelayERRORCODESErrorTypeCodeDes

7、criptionLinkSystem20Undefined:Error21NACKerror:Eithertheremoteunitwasinincorrectlyrecognizedoradataerroroccurred・22WACKerror:Thereceivebufferoftheremoteunitisfull.23Duplicateporterror:Theremoteunitwassetwiththesameunitno.(01to16)asthelocalunit.24Transmission

8、formaterror:Attemptwasmadetosenddatathatdoesnotmatchthetransmissionformat.Eitheraframeoverflowordataerroroccurred・25Hardwareerror:Transmissionsystemhardwarestopsoperatingnormally・26Unitno.error: