OPC HDA 1.1 Custom Interface Specification.pdf

《OPC HDA 1.1 Custom Interface Specification.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、OPCHistoricalDataAccessCustomInterfaceSpecification1.0TMHistoricalDataAccessCustomInterfaceStandardVersion1.1i______________________________________________________________________________________________COPYRIGHTEDANDLICENSEABLEMATERIAL/ReproduceOnlyinAccordancewithLicenseAgreementOP

2、CHistoricalDataAccessCustomInterfaceSpecification1.0SpecificationTypeIndustryStandardSpecificationTitle:OPCHistoricalDataDate:January26,2001AccessCustomInterfaceSpecificationVersion:1.1SoftMS-WordSource:OPC_HIST_Cust.docAuthor:OpcFoundationStatus:ReleaseSynopsis:Thisspecificationisth

3、especificationoftheinterfacefordevelopersofOPCclientsandOPCservers.Thespecificationisaresultofananalysisanddesignprocesstodevelopastandardinterfacetofacilitatethedevelopmentofserversandclientsbymultiplevendorsthatshallinter-operateseamlesslytogether.Trademarks:Mostcomputerandsoftwareb

4、randnameshavetrademarksorregisteredtrademarks.Theindividualtrademarkshavenotbeenlistedhere.RequiredRuntimeEnvironment:ThisspecificationrequiresWindows95/WindowsNT4.0orlaterii______________________________________________________________________________________________COPYRIGHTEDANDLIC

5、ENSEABLEMATERIAL/ReproduceOnlyinAccordancewithLicenseAgreementOPCHistoricalDataAccessCustomInterfaceSpecification1.0NON-EXCLUSIVELICENSEAGREEMENTTheOPCFoundation,anon-profitcorporation(the“OPCFoundation”),hasestablishedasetofstandardOLE/COMinterfaceprotocolsintendedtofostergreaterinte

6、roperabilitybetweenautomation/controlapplications,fieldsystems/devices,andbusiness/officeapplicationsintheprocesscontrolindustry.ThecurrentOPCspecifications,prototypesoftwareexamplesandrelateddocumentation(collectively,the“OPCMaterials”),formasetofstandardOLE/COMinterfaceprotocolsbase

7、duponthefunctionalrequirementsofMicrosoft’sOLE/COMtechnology.Suchtechnologydefinesstandardobjects,methods,andpropertiesforserversofreal-timeinformationlikedistributedprocesssystems,programmablelogiccontrollers,smartfielddevicesandanalyzersinordertocommunicatetheinformationthatsuchserv

8、ersco