【英文标准名称】:Maritimenavigationandradiocommunicationequipmentandsystems-Digitalinterfaces-Part3:Serialdatainstrumentnetwork
【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.第3部分:串联数据设备网络
【标准号】:IEC61162-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC80
【标准类型】:()
【标准水平】:()
【中文主题词】:电路网络;数据传送;定义;数字信号;电气工程;电子工程;英语;执行;界面;接口;接口(数据处理);船舶用无线电通信设备;导航辅助设备;开式系统;OSI;开放系统互连;无线电设备;无线电接收机;无线电发射机;无线电导航;串行;;传输协议
【英文主题词】:Circuitnetworks;Datacommunication;Datatransfer;Definitions;Digitalsignals;Electricalengineering;Electronicengineering;Englishlanguage;Implementation;Interfaces;Interfaces(dataprocessing);Marineradioservice;Navigationalaids;Opensystems;Opensystemsinterconnection;OSI;Radioequipment;Radioreceivers;Radiotransmitters;Radionavigation;Serial;Serialtransmission;Transmissionprotocol
【摘要】:ThispartofIEC61162isbasedupontheNMEA2000standard.TheNMEA2000standardcontainstherequirementsfortheminimumimplementationofaserial-datacommunicationsnetworktointerconnectmarineelectronicequipmentonboardvessels.Equipmentdesignedtothisstandardwillhavetheabilitytosharedata,includingcommandsandstatus,withothercompatibleequipmentoverasinglesignallingchannel.Datamessagesaretransmittedasaseriesofdataframes,eachwithrobusterrorcheckconfirmedframedeliveryandguaranteedlatencytimes.Astheactualdatacontentofadataframeisatbest50%ofthetransmittedbits,thisstandardisprimarilyintendedtosupportrelativelybriefdatamessages,whichmaybeperiodic,transmittedasneeded,oron-demandbyuseofquerycommands.Typicaldataincludesdiscreteparameterssuchaspositionlatitudeandlongitude,GPSstatusvalues,steeringcommandstoautopilots,finiteparameterlistssuchaswaypoints,andmoderatelysizedblocksofdatasuchaselectronicchartdatabaseupdates.Thisstandardisnotnecessarilyintendedtosupporthigh-bandwidthapplicationssuchasradar,electronicchartorothervideodata,orotherintensivedatabaseorfiletransferapplications.ThisstandarddefinesallofthepertinentlayersoftheInternationalStandardsOrganisationOpenSystemsInterconnect(ISO/OSI)model,fromtheapplicationlayertothephysicallayer,necessarytoimplementtherequiredIEC61162-3networkfunctionality.Thisstandarddefinesdataformats,networkprotocol,andtheminimumphysicallayernecessaryfordevicestointerface.SOLASapplicationsshallemployredundantdesigns(forinstancedualnetworks,redundantnetworkinterfacecircuits)toreducetheimpactofsinglepointfailures.TheNMEA2000standardprovidesthefundamentaltoolsandmethodstosupportredundantequipment,busesandmessaging.Specificshipboardinstallationdesignsarebeyondthescopeofthisstandard,howeversomeguidanceisgiveninAnnexA.
【中国标准分类号】:U60
【国际标准分类号】:47_020_70
【页数】:17P;A4
【正文语种】:英语