GB/T 29103-2012 道路交通信息服务 通过可变情报板发布的交通信息

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part6-3:Applicationlayerprotocolspecification-Type3elements
【原文标准名称】:工业通讯网络.现场总线规范.第6-3部分:应用层协议规范.3型元件
【标准号】:IEC61158-6-3-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【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/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;OSI;过程控制工程;协议规范;协议;服务设施;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;PROFIBUS;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType3fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythesyntaxandbehavioroftheapplicationlayerprotocolthatconveystheapplicationlayerservicesdefinedinIEC61158-5-3.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofprotocolsstandardizedinpartsoftheIEC61158-6series.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttotheapplicationlayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthisapplicationlayerprotocolspecification.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_70;35_160
【页数】:384P;A4
【正文语种】:英语


【英文标准名称】:Dentistry-Suctionelementsforsuctiondevices
【原文标准名称】:牙科.吸气装置用抽吸部件
【标准号】:DIN13938-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:医用套管;定义;牙科设备;牙科;名称与符号;尺寸;软管配件;互换性;作标记;医疗设备;医疗真空导管装置;可置换性;抽样方法;规范(验收);吸引器具(医疗);吸入装置;吸引设备;测试;管端
【英文主题词】:Cannulas;Definition;Definitions;Dentalequipment;Dentistry;Designations;Dimensions;Hosefittings;Interchangeability;Marking;Medicalequipment;Medicalvacuum-pipelineservices;Replaceability;Samplingmethods;Specification(approval);Suctionapparatus(medical);Suctiondevices;Suctionequipment;Testing;Tubuleend
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_25
【页数】:10P.;A4
【正文语种】:德语