BS EN 61162-3-2008 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

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【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】:BSEN61162-3-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【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;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;开放系统互连;OSI;无线电设备;无线电接收机;无线电发射机;无线电导航;串行;连续传输;传输协议
【英文主题词】:Circuitnetworks;Datatransfer;Definition;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】:U66
【国际标准分类号】:47_020_70
【页数】:20P.;A4
【正文语种】:英语


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基本信息
标准名称:三股乙纶单丝绳索
中标分类: 农业、林业 >> 水产、渔业 >> 水产、渔业用器具
替代情况:调整为SC 5013-1988
发布日期:
实施日期:1989-07-01
首发日期:
作废日期:
出版日期:
页数:5页
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所属分类: 农业 林业 水产 渔业 水产 渔业用器具
Product Code:SAE AMS7902
Title:Beryllium Sheet and Plate, 98Be
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers beryllium in the form of sheet and plate produced by hot rolling beryllium block.