ISO/IEC 24764-2010 信息技术.一般数据中心用有线系统
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【英文标准名称】:Informationtechnology-Genericcablingsystemsfordatacentres
【原文标准名称】:信息技术.一般数据中心用有线系统
【标准号】:ISO/IEC24764-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑物服务设施;电缆分布点;电缆分布系统;电缆敷设;电缆系统;布线;同轴电缆;通信;通信电缆;通信系统;计算机硬件;配置;连接电缆;软索;数据中心;数据交换;数据处理;数据传输;定义;尺寸选定;配电电缆;电气装置;纤维光缆;玻璃纤维电缆;玻璃纤维;硬件;信息交换;信息技术;接口;接口(数据处理);场所;规范(验收)
【英文主题词】:Buildingservices;Cabledistributingpoints;Cabledistributionsystems;Cablelaying;Cablesystems;Cabling;Coaxialcables;Communication;Communicationcables;Communicationsystems;Computerhardware;Configuration;Connectingcables;Cords;Datacentres;Dataexchange;Dataprocessing;Datatransmission;Definitions;Dimensioning;Distributioncables;Electricalinstallations;Fibreopticalcables;Glassfibrecables;Glassfibres;Hardware;Informationinterchange;Informationtechnology;Interfaces;Interfaces(dataprocessing);Locations;Specification(approval)
【摘要】:
【中国标准分类号】:L65
【国际标准分类号】:35_110;35_200
【页数】:44P;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks—Fieldbusspecifications—Part3-3:Data-linklayerservicedefinition—Type3elements
【原文标准名称】:工业通信网络.现场总线规范.数据链路层服务定义.3型元件
【标准号】:BSEN61158-3-3-2008
【标准状态】:现行
【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】: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;数据服务;数据传送;定义;数字的;数字数据;数字工程;EDP;电气工程;电子仪器;电子系统;英语;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;处理字段总线;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;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;PROFIBUS;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:ThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType3fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType3fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviouslyexistingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.Thisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType1data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:L79;M10
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:72P.;A4
【正文语种】:英语
【英文标准名称】:Householdandsimilarelectricalappliances-Safety-Particularrequirementsforroomheaters
【原文标准名称】:家用和类似用途电器.安全.房间电暖器的特殊要求
【标准号】:BSEN60335-2-30-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-09
【实施或试行日期】:2003-09-09
【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】:定义;家用的;电气器具;电热器;家用电器;热电对流供暖;电器工程;电器安全;设备安全;火灾危险;防火安全;加热器;家用设备;家用;铭牌;检验;使用说明;作标记;防电击;房间加热器;安全;安全工程;安全要求;对流式供暖系统;规范(验收);材料强度;测试
【英文主题词】:Definitions;Domestic;Electricappliances;Electricheaters;Electrichouseholdappliances;Electricspaceheating;Electricalengineering;Electricalhouseholdappliances;Electricalsafety;Equipmentsafety;Firerisks;Firesafety;Heaters;Householdequipment;Householduse;Inscription;Inspection;Instructionsforuse;Marking;Protectionagainstelectricshocks;Roomheaters;Roomheatingappliances;Safety;Safetyengineering;Safetyrequirements;Space-heatingsystems;Specification(approval);Strengthofmaterials;Testing
【摘要】:1.1GeneralThispartofthisEuropeanStandarddefinestheterms,definitions,symbolsandunitsthatareusedthroughouttheEN13445.Italsocontainsinstructionsonhowtousethestandard(AnnexA)aswellasanindexwhichcoversthewholestandard(AnnexB).ThisinformationisaimedtoaidtheuseroftheEN13445.ThisEuropeanStandardappliestounfiredpressurevesselswithamaximumallowablepressuregreaterthan0,5bar(0,05MPa)gaugebutmaybeusedforvesselsoperatingatlowerpressures,includingvacuum.NOTETheselection,applicationandinstallationofsafetyrelatedaccessoriesintendedtoprotectpressurevesselsduringoperationarecoveredinEN764-7.1.2ExclusionsThisEuropeanStandardisnotapplicabletopressureequipmentofthefollowingtypes:a)transportablepressureequipment;b)itemsspecificallydesignedfornuclearuse,thefailureofwhichmaycauseareleaseofradioactivity;c)pressureequipmentintendedforthegenerationofsteamorsuperheatedwaterattemperatureshigherthan110°C;d)vesselsofrivetedconstruction;e)vesselsoflamellarcastironoranyothermaterialsnotincludedinparts2,6,or8ofthestandard;f)multilayered,autofrettagedorpre-stressedvessels;g)pipelinesandindustrialpiping.
【中国标准分类号】:Y63
【国际标准分类号】:97_100_10
【页数】:40P.;A4
【正文语种】:英语
