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1、4451(RP-1011)Utility/CustomerInformationServices,Part2:DataObjectModelingandMappingtoBACnet™MichaelKintner-Meyer,Ph.D.MartinJ.Burns,Ph.D.MemberASHRAEABSTRACTAlthoughsimilartoBACnet™inmanyrespects,CASMspecificallysupportstopology-independentmessageThisisparttwoofapaperthatpresentsanexcerptofcon
2、struction.Inaddition,CASMprovidesamethodforASHRAEResearchProject1011-RP,“Utility/EnergydescribingmodelsofspecificdeviceandapplicationfunctionsManagementandControlsSystem(EMCS)Communicationbeyondsimpledatatypes.Finally,CASMsupportsrelativelyProtocolRequirements.”Thefocusofthisprojectwasontheunc
3、onstrainedhierarchicalmodeling,whichfacilitatesthedefinitionofenergy-relatedinformationservicesandtheanal-logicalorganizationofmodels.Thesecharacteristicsysisofdatarequirementstoenabletheseservices.Thefollow-ingnineinformationservicesweredefined,andtheircombinedmakeCASMthedataobjectmodelingfra
4、meworkcommunicationanddatarequirementswereanalyzed:(1)ofchoicefordevelopingthedataobjectmodelsthatenabletherevenuemeterreading(electricity,gas,water,andheatingandinformationservicesdiscussedinASHRAEprojectRP-1011coolingenergy),(2)qualityofservicemonitoring,(3)real-(Kintner-MeyerandBurns1999).t
5、ime-pricingtransmission,(4)loadmanagementservice,(5)CASMwasdesignedtomodeldevicesinaprotocolinde-on-sitegenerationsupervisorycontrol,(6)energyefficiencypendentway,yetitwasdesignedwithaminimalsetofrequire-monitoring,(7)weatherreportingandforecastingservices,(8)mentsfortransporttofacilitateitsma
6、ppingtoprotocolssuchindoorairqualitymonitoring,and(9)dynamicdemandasBACnetandothers.CASMwasdesignedtomeettwobiddingintoapowerexchange.primaryrequirementsforthemodelingofdevicesandThispaperintroducestheCommonApplicationServiceservices:(1)representationoffunctionalcapabilitiesandModels(CASM)asad
7、ata-modelingframeworkforachievingbehaviorsofthemodeand(2)representationoftopologyinde-topologyindependenceintheimplementationoftheseservicespendence.Whatfollowsisabriefsummaryoftheserequire-indiversenetworksusingawiderangeofcomputingpla
