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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part4-18:Data-linklayerprotocolspecification-Type18elements
【原文标准名称】:工业通讯网络.现场总线规范.第4-18部分:数据联络层协议规范.18型元件
【标准号】:IEC61158-4-18-2007
【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】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据设备;数据传送;定义;数字的;数字数据;数字工程;数字信号;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;链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;协议规范;协议;信号;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definitions;Digital;Digitaldata;Digitalengineering;Digitalsignals;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThedata-linklayerprovidesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Thisprotocolprovidescommunicationopportunitiestoallparticipatingdata-linkentitiesa)inasynchronously-startingcyclicmanner,accordingtoapre-establishedschedule,andb)inacyclicoracyclicasynchronousmanner,asrequestedeachcyclebyeachofthosedata-linkentities.Thusthisprotocolcanbecharacterizedasonewhichprovidescyclicandacyclicaccessasynchronouslybutwithasynchronousrestartofeachcycle.1.2SpecificationsThispartofIEC61158specifiesa)proceduresforthetimelytransferofdataandcontrolinformationfromonedata-linkuserentitytoapeeruserentity,andamongthedata-linkentitiesformingthedistributeddatalinkserviceprovider;b)proceduresforgivingcommunicationsopportunitiestoallparticipatingDL-entities,sequentiallyandinacyclicmannerfordeterministicandsynchronizedtransferatcyclicintervalsuptoonemillisecond;c)proceduresforgivingcommunicationopportunitiesavailablefortime-criticaldatatransmissiontogetherwithnon-time-criticaldatatransmissionwithoutprejudicetothetime-criticaldatatransmission;d)proceduresforgivingcyclicandacycliccommunicationopportunitiesfortime-criticaldatatransmissionwithprioritizedaccess;e)proceduresforgivingcommunicationopportunitiesbasedonstandardISO/IEC8802-3mediumaccesscontrol,withprovisionsfornodestobeaddedorremovedduringnormaloperation;f)thestructureofthefieldbusDLPDUsusedforthetransferofdataandcontrolinformationbytheprotocolofthisstandard,andtheirrepresentationasphysicalinterfacedataunits.1.3ProceduresTheproceduresaredefinedintermsofa)theinteractionsbetweenpeerDL-entities(DLEs)throughtheexchangeoffieldbusDLPDUs;b)theinteractionsbetweenaDL-service(DLS)providerandaDLS-userinthesamesystemthroughtheexchangeofDLSprimitives;c)theinteractionsbetweenaDLS-providerandaPh-serviceproviderinthesamesystemthroughtheexchangeofPh-serviceprimitives.1.4ApplicabilityTheseproceduresareapplicabletoinstancesofcommunicationbetweensystemswhichsupporttime-criticalcommunicationsserviceswithinthedata-linklayeroftheOSIorfieldbusreferencemodels,andwhichrequiretheabilitytointerconnectinanopensystemsinterconnectionenvironment.Profilesprovideasimplemulti-attributemeansofsummarizinganimplementation’scapabilities,andthusitsapplicabilitytovarioustime-criticalcommunicationsneeds.1.5ConformanceThispartofIEC61158doesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType18data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_20;35_160;35_240_50
【页数】:40P;A4
【正文语种】:英语


【英文标准名称】:Mobileroadconstructionmachinery-Safety-Part2:Specificrequirementsforroad-millingmachines;GermanversionEN500-2:2006
【原文标准名称】:移动式筑路机械.安全性.第2部分:压路机的特殊要求
【标准号】:DINEN500-2-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-04
【实施或试行日期】:2007-04-01
【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】:事故预防;报警信号;建筑机械;定义;设计;人类工效学;图形符号;操纵;危害;保健;维修;作标记;机械工程;铣刀;铣床;保护设备;保护措施;道路建筑;公路建设;道路开槽机;道路标记机械;道路;安全;安全措施;安全要求;规范(验收);运输;可移动的;可运输结构;警告标志;工作地点
【英文主题词】:Accidentprevention;Alarmsignals;Buildingmachines;Definition;Definitions;Design;Ergonomics;Graphicsymbols;Handlings;Hazards;Healthprotection;Maintenance;Marking;Mechanicalengineering;Millingcutters;Millingmachines;Protectiondevices;Protectivemeasures;Roadconstruction;Roadgroovingmachines;Roadmakingmachines;Roads;Safety;Safetymeasures;Safetyrequirements;Specification(approval);Transport;Transportable;Transportablestructures;Warningsigns;Workingplaces
【摘要】:ThispartofEN500specifiesthesafetyrequirementsforroad-millingmachinesasdefinedinClause3anddealswithallsignificanthazards,hazardoussituationsandeventsrelevanttothesemachines,whentheyareusedasintendedandunderconditionsofmisusewhicharereasonablyforeseeable.ThispartofEN500containsadditionalrequirementstoEN500-1"Commonrequirements".
【中国标准分类号】:P97
【国际标准分类号】:93_080_10
【页数】:20P;A4
【正文语种】:德语