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【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-Digitalinterfaces-Multipletalkersandmultiplelisteners-Shipsystemsinterconnection-Companionstandardrequirementsandbasiccompanionstandards
【原文标准名称】:海上导航和无线电通信设备及系统.数字接口.多方通话器和受话器.船舶系统互连.配套标准要求和基本配套标准
【标准号】:BSEN61162-420-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-23
【实施或试行日期】:2002-04-23
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:船舶用无线电通信设备;无线电发射机;造船工程;无线电设备;数字信号;电气工程;无线电接收机;定义;接口(数据处理);导航辅助设备;船舶导航;无线电导航
【英文主题词】:
【摘要】:InternationalStandardIEC61162-420specifiestherequirementforandbasiccomponentsoftheIEC61162-4seriescompanionstandards.Thesecomponentsarereferredtoasfollows:a)PCS(PISCEScompanionstandards)whichcontaintherulesforcreationofcompanionstandards.ThegeneralprinciplesunderlyingthePCSaredescribedinclause4.b)PCSDL(PCSdescriptionlanguage).PartofthePCSisthedefinitionofthesyntaxforthevarioustypesofcompanionstandarddocumentsthatmakethemreadablebycomputertools.ThePCSDLisdescribedinclause5.c)functionblockdescription.ThefunctionblockdescriptionisahighlevelandgraphicaldescriptionofapplicationsusingtheIEC61162-4seriesinterfacestandard.Thefunctionblocksyntaxisspecifiedinclause7.d)PFS(PISCESfoundationspecifications)whichcontainaframeworkforclassificationofapplicationsadheringtotheIEC61162-4standard.ThePFSwillalsoprovideaminimumlevelofinteroperabilitybetweendifferentmanufacturers'applicationsusingthisframework.ThePFSisdescribedinclause6.Clause5containsthecompletereferencetothePCSdescriptionlanguage.Subclause5.2explainsthebasicconceptofthePCSwhichisgivenbythedistinctionbetweenfourtypesofspecifications:applications,interfaces,informationanddatatypes.GeneralconventionswithrespecttothesyntaxofthePCScanbefoundin5.3.AllPCSdocumentsarebasedonasimilarstructure.ThisapproachisintendedtomakeiteasiertobecomefamiliarwiththesyntaxandsemanticsofthePCSwhichisdefinedin5.3.1.ThefoursubclausesthereafterexplainindetailthesyntaxandsemanticsofthefourdifferenttypesofspecificationsgeneratedbythePCS.Clause6describestherelationshipbetweenthedifferentclassesofIEC61162-4applicationsandgivesanoverviewoftheirfunctionality.TheannexescontainthedetailedPCSdefinitionsfortheclasses.Theobjectiveofcompanionstandardsistoprovidedefinitionsoftheinformationthatistransferredwithinanintegratedshipcontrolsystemandofhowtheseinformationitemscanbeaccessedorprovided.Furthermore,thestandardshallallowthedefinitionoftheactualnetworkinterfaceswhichtheapplicationsusetoconnecttothesystem.Thedescriptionformatismachine-readable,allowinganautomaticcompilationofthedescriptionintointerfacesoftware.Acompanionstandardallowsthereaderto,atwill,shiftthefocusbetweenatechnicalspecificationandadefinitionofinterfacesandinformationitems.Thedevelopmentteamcandetermineinformationattributeslikeunit,power,accuracyandthestructureofthesystemarchitectureandcreateacommoninterpretationbasisfordatabeforethesystemimplementation.Theformalismsunderlyingthespecificationlanguagewillatthesametimeprovideanunambiguousandprecisedescriptionoftheequipmentinterfaceswhichallowtheuseofcomputertoolstoautomaticallygenerateinterfaceprogramcodesortoinspectandmanipulateinterfaceson-line,forexamplefordebuggingandmonitoringpurposes.
【中国标准分类号】:U66
【国际标准分类号】:47_020_70
【页数】:104P;A4
【正文语种】:英语