ANSI/IEEE 802.3af-2003 信息技术标准.系统间通信和信息交换.局域网和城域网.特殊要求.第3部分:冲突检测载波检测多路访问(CSMA/CD)法及物理层规范.经由媒体相关接口的数据终端设备电力

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【英文标准名称】:StandardforInformationTechnology-TelecommunicationsandInformationExchangeBetweenSystems-LocalandMetropolitanAreaNetworks-SpecificRequirements-Part3:CarrierSenseMultipleAccesswithCollisionDetection(CSMA/CD)AccessMethodandP
【原文标准名称】:信息技术标准.系统间通信和信息交换.局域网和城域网.特殊要求.第3部分:冲突检测载波检测多路访问(CSMA/CD)法及物理层规范.经由媒体相关接口的数据终端设备电力
【标准号】:ANSI/IEEE802.3af-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_100_10;35_110
【页数】:
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Cable,electrical,forsignaltransmission-Part001:technicalspecification.
【原文标准名称】:航空航天系列.信号传输用电缆.第1部分:技术规范
【标准号】:NFL52-190-001-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-02-01
【实施或试行日期】:2010-02-13
【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】:验收检验;验收规范;航空航天运输;航空运输;编织外壳;电缆;检查表;数据传输线;交货条件;电线;电气装置;加标签;作标记;材料;多语种的;包装件;合格试验;合格;质量保证;信号传输;航天运输;规范(验收);试验;传输
【英文主题词】:Acceptanceinspection;Acceptancespecification;Aerospacetransport;Airtransport;Braidshieldings;Cables;Checklists;Dataline;Deliveryconditions;Electriccables;Electricalcords;Electricalinstallations;Labelling;Marking;Materials;Multilingual;Packages;Qualificationtesting;Qualifications;Qualityassurance;Signaltransmission;Spacetransport;Specification(approval);Testing;Transmission
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:
【页数】:22P;A4
【正文语种】:其他


【英文标准名称】:Safetyofmachinery-Electro-sensitiveprotectiveequipment-Part3:ParticularrequirementsforActiveOpto-electronicProtectiveDevicesresponsivetoDiffuseReflection(AOPDDR)
【原文标准名称】:机械安全.电感防护设备.响应漫反射的有源光电防护设备的特殊要求(AOPDDR)
【标准号】:BSDDCLC/TS61496-3-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2004-02-05
【实施或试行日期】:2004-02-05
【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】:规范(验收);作标记;漫反射;非接触型;电气安全;光电子器件;防护区;试验;安全元件;保护装置;电机;电动机;安全要求;安全;电气设备;定义;感官分析;安全措施;电气工程;防电击;接触安全装置;工业机械;控制系统;检波器(回路);电控制设备;光电子学;机器
【英文主题词】:Areaofprotection;Contactsafetydevices;Controlsystems;Definition;Definitions;Detectors(circuits);Diffusereflection;Electriccontrolequipment;Electricmachines;Electricmotors;Electricalengineering;Electricalequipment;Electricalsafety;Industrialmachines;Machines;Marking;Non-contacting;Optoelectronicdevices;Optoelectronics;Protectionagainstelectricshocks;Protectivedevices;Safety;Safetycomponents;Safetymeasures;Safetyofmachinery;Safetyrequirements;Sensoryanalysis;Specification(approval);Testing
【摘要】:Replacement:ThispartofIEC61496specifiesadditionalrequirementsforthedesign,constructionandtestingofelectro-sensitiveprotectiveequipment(ESPE)forthesafeguardingofmachinery,employingactiveopto-electronicprotectivedevicesresponsivetodiffusereflection(AOPDDRs)forthesensingfunction.Specialattentionisdirectedtorequirementswhichensurethatanappropriatesafety-relatedperformanceisachieved.AnESPEmayincludeoptionalsafetyrelatedfunctions,therequirementsforwhicharegivenbothinannexAofthispartandinannexAofIEC61496-1.Thispartdoesnotspecifythedimensionsorconfigurationsofthedetectionzoneanditsdispositioninrelationtohazardouspartsforanyparticularapplication,norwhatconstitutesahazardousstateofanymachine.ItisrestrictedtothefunctioningoftheESPE.AOPDDRsaredevicesthathaveadetectionzonespecifiedintwodimensionswhereinradiationinthenearinfraredrangeisemittedbyatransmitterelement(s).Whentheemittedradiationimpingesonanobject(forexample,apersonorpartofaperson),aportionoftheemittedradiationisreflectedtoareceivingelement(s)bydiffusereflectionwherebythepresenceoftheobjectcanbedetected.NOTEUndercertaincircumstances,limitationsofthesensorinrelationtoitsuseneedtobeconsidered.Forexample:–Objectsthatgeneratemirror-like(specular)reflectionsmaynotbedetectedifthediffusereflectancevalueislessthanthatspecifiedforthe"black"testpiece.–Thedeterminationoftheminimalreflectionfactorsforthedetectionofobstaclesisbasedontheclothingofaperson.Objectshavingareflectivitylowerthanthatconsideredinthispartmaynotbedetected.ExcludedfromthispartareAOPDDRsemployingradiationofwavelengthoutsidetherange820nmto946nm,andthoseemployingradiationotherthanthatgeneratedbytheAOPDDRitself.Forsensingdevicesthatemployradiationofwavelengthsoutsidethisrange,thispartmaybeusedasaguide.AlsoexcludedareAOPDDRshavingastateddetectioncapabilityoutsidetherange50mmto100mm.Thispartmayberelevanttoapplicationsotherthanthosefortheprotectionofpersons,forexample,fortheprotectionofmachineryorproductsfrommechanicaldamage.Insuchapplications,additionalrequirementsmaybenecessary,forexample,whenthematerialsthathavetobedetectedbythesensingfunctionhavedifferentpropertiesfromthoseofpersonsandtheirclothing.Thispartdoesnotdealwithelectromagneticcompatibility(EMC)emissionrequirements.Opto-electronicdevicesthatperformonlyone-dimensionalspot-likedistancemeasurements,forexample,proximityswitches,arenotcoveredbythispart.
【中国标准分类号】:K30
【国际标准分类号】:13_110;29_260
【页数】:60P.;A4
【正文语种】:英语