ASTM D 6821-2002 恒定剪切应力粘度计中传动线路润滑剂的低温粘度的标准试验方法

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part4-8:Data-linklayerprotocolspecification-Type8elements
【原文标准名称】:工业通讯网络.数据总线规范.第4-8部分:数据联络层协议规范.8型元件
【标准号】:IEC61158-4-8-2007
【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;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;INTERBUS;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThedata-linklayerprovidesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Thisprotocolprovidesahighly-optimizedmeansofinterchangingfixed-lengthinput/outputdataandvariable-lengthsegmentedmessagesbetweenasinglemasterdeviceandasetofslavedevicesinterconnectedinaloop(ring)topology.Theexchangeofinput/outputdataistotallysynchronousbyconfiguration,andisunaffectedbythemessagingtraffic.Devicesareaddressedimplicitlybytheirpositionontheloop.Thedeterminationofthenumber,identityandcharacteristicsofeachdevicecanbeconfigured,orcanbedetectedautomaticallyatstart-up.1.2SpecificationsThisstandardspecifiesa)proceduresforthetimelytransferofdataandcontrolinformationfromonedata-linkuserentitytoapeeruserentity,andamongthedata-linkentitiesformingthedistributeddatalinkserviceprovider;b)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.1.5ConformanceThisstandardalsospecifiesconformancerequirementsforsystemsimplementingtheseprocedures.Thisstandarddoesnotcontainteststodemonstratecompliancewithsuchrequirements.
【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】:135P.;A4
【正文语种】:英语


【英文标准名称】:Residualcurrentoperatedcircuit-breakerswithintegralovercurrentprotectionforhouseholdandsimilaruses(RCBO's)-Part1:generalrules.
【原文标准名称】:家用和类似用途的带集成过流保护的剩余电流操控断路开关(RCBO's).第1部分:通则
【标准号】:NFC61-440/A12-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-05-01
【实施或试行日期】:2009-05-01
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;交流电流;交流电压;壳体;断路器;分类系统;接触安全装置;设计;差分电流开关;差分电流;民用电力设备;家用电气设备;接地断路器;接地漏泄断路器;电器;电气工程;电气装置;电气保护设备;电气安全;电磁兼容性;电磁兼容;故障电流断路器;故障电流;一般条件;家用(安装)设备;家用设备;家用;批注;初始的;检验;绝缘配合;绝缘件;线路开关;低电压;低压电器;低压设备;处理;小型断路器;安装材料;过流断路器;过电流保护;过电流保护装置;过载继电器;过电压保护装置;产品信息;性能;防电击;保护设备;额定值;剩余电流驱动的断路器;剩余电流控制器件;自动断路器;规范(验收);开关;开关设备;测试;跳闸机构(断路器)
【英文主题词】:Accessories;Alternatingcurrent;Alternatingvoltages;Bodies;Circuit-breakers;Classificationsystems;Contactsafetydevices;Design;Differentialcurrentswitches;Differentialcurrents;Domesticelectricalinstallations;Earth-leakagecircuit-breakers;Electricappliances;Electricalengineering;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electromagneticcompatibility;EMC;Faultcurrentbreakers;Faultcurrents;Generalconditions;Houseinstallations;Householdequipment;Householduse;Inscription;Inspection;Insulationcoordination;Insulations;Lineswitches;Lowvoltage;Low-voltageequipment;Marking;Miniaturecircuit-breakers;Mountingmaterials;Overcurrentcircuit-breakers;Overcurrentprotection;Overcurrentprotectiondevices;Overloadrelays;Overvoltageprotection;Productinformation;Properties;Protectionagainstelectricshocks;Protectiondevices;Ratings;Residualcurrentoperatedcircuit-breakers;Residualcurrent-operateddevices;Self-actingcircuit-breakers;Specification(approval);Switches;Switchgear;Testing;Trippingmechanisms(circuit-breakers)
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:9P;A4
【正文语种】:其他