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IEC 61158-3-4-2007 工业通讯网络.数据总线规范.第3-4部分:数据联络层设备定义.4型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-4:Data-linklayerservicedefinition-Type4elements
【原文标准名称】:工业通讯网络.数据总线规范.第3-4部分:数据联络层设备定义.4型元件
【标准号】:IEC61158-3-4-2007
【标准状态】:现行
【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;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);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;信号;规范;规范(验收);传输媒质
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;P-NET;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleservicesprovidedbytheType4fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservices;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType4fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel;?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters;b)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType1data-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
【页数】:30P;A4
【正文语种】:英语


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【英文标准名称】:F-NumberGroupingforTitanium-RutheniumAlloy(Ti0.1Ru)ClassificationUNSR52255FillerMetalSectionIX
【原文标准名称】:钛钌合金(Ti0.1Ru),UNSR52255级填充金属用F-编码分组.第IX节
【标准号】:ASME2336-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:F-NumberGroupingforTitanium-RutheniumAlloy(Ti0.1Ru)ClassificationUNSR52255FillerMetalSectionIX
【中国标准分类号】:H63
【国际标准分类号】:
【页数】:
【正文语种】:英语


【英文标准名称】:Informationtechnology.InternationalstandardizedprofileRB.Relayingtheconnection-modenetworkservice.DefinitionofprofileRB51.1111,relayingtheconnection-modenetworkservicebetweeenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsovera
【原文标准名称】:信息技术.国际标准化数据区RB.中继连接模式网络服务.CSMA/CD局域网子网络和使用在PSTN租赁线路永久性通路上进行虚拟呼叫的PSDN之间的中继连接模式网络服务的数据区RB51.1111的定义
【标准号】:BSISO/IECISP12067-4-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-11-15
【实施或试行日期】:1998-11-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:网络层;信息传递;局域网;计算机网络;连接模式(OSI);开放系统互连;通信规程;信息交流;合格;总线网;子网络;电话网;通信网;包交换网络;数据传输;带有检测冲突的载波侦听多路存取网络;数字信号;网络服务
【英文主题词】:computernetworks;csma/cdnetworks;networkservices;informationexchange;digitalsignals;informationtransfer;communicationprocedures;telephonenetworks;datatransmission;localareanetworks;packetswitchingnetworks;opensystemsinterconnection;connection-mode(osi);networklayer(osi);conformity;busnetworks;communicationnetworks
【摘要】:1GeneralISO/IECISP12067isapplicabletointerworkingunitsconcernedwithoperatingintheOpenSystemsIntercon-nection(OSI)environment.ItspecifiesacombinationofOSIbasestandardsthatcollectivelyprovidearelayfunctionfortheconnection-modeNetworkService.ThispartofISO/IECISP12067definestheRB51.1111profile,whichisapplicabletoaninterworkingunitoperatingbetweenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsoveraPSTNleasedlinepermanentaccess.2PositionwithinthetaxonomyThetaxonomyofprofilesisdefinedinISO/IECTR10000-2.ThispartofISO/IECISP12067definestheprofile:RB51.1111Relayingtheconnection-modeNetworkServicebetweenCSMA/CDLANsubnetworksandPSDNsusingvirtualcallsoveraPSTNleasedlinepermanentaccess.3ScenarioFigure1illustratestheconfigurationofsystemstowhichtheRB51.1111profileisapplicable.Thefigureshowstworeferencepoints,butanimplementationofthisprofilemayincludemoreattachmentstoCSMA/CDLANsandPSDNs,withareferencepointateach.AsthisprofileisamemberortheRBgroup,itisintendedthataconformingimplementationiscapableofinterworkingwithotherprofilesoftheRBgroupandwithendsystemsimplementingprofilesfromtheTB,TC,TDandTEgroupsortheUBgroup,providedthatsuitablerelaysarcinplaceinthecaseofthosemembersofthesegroupswhichrelatetodifferentelementsofthesubnetworktaxonomy.Thisprofilespecificstherequiredfunctionsfromthesupportingprotocolstackshownbelow.
【中国标准分类号】:L78
【国际标准分类号】:35_100_05
【页数】:12P.;A4
【正文语种】:英语