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【英文标准名称】:Industrialcommunicationnetworks-Profiles-Part3-6:Functionalsafetyfieldbuses-AdditionalspecificationsforCPF6
【原文标准名称】:工业通讯网络.剖面图.第3-6部分:功能安全数据总线.CPF6用附加规范
【标准号】:IEC61784-3-6-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12-01
【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】:应用层;自动化;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;识别;工业的;工业设施;信息交换;信息处理;信息技术;联络母线;接口(数据处理);IT安全;制造;开放系统互连;物理层;过程控制;过程控制工程;工艺工程;加工工程;剖面图;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Automation;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Dataprocessing;Dataservices;Datatransfer;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Identification;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;INTERBUS;Interfaces(dataprocessing);ITsecurity;Manufacturing;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processengineering;Productionengineering;Profile;Specification;Specification(approval);Transmissionmedia
【摘要】:ThispartoftheIEC61784-3seriesspecifiesasafetycommunicationlayer(servicesandprotocol)basedonCPF6ofIEC61784-1,IEC61784-2andIEC61158Type8.ItidentifiestheprinciplesforfunctionalsafetycommunicationsdefinedinIEC61784-3thatarerelevantforthissafetycommunicationlayer.NOTE1Itdoesnotcoverelectricalsafetyandintrinsicsafetyaspects.Electricalsafetyrelatestohazardssuchaselectricalshock.Intrinsicsafetyrelatestohazardsassociatedwithpotentiallyexplosiveatmospheres.Thispart1definesmechanismsforthetransmissionofsafety-relevantmessagesamongparticipantswithinadistributednetworkusingfieldbustechnologyinaccordancewiththerequirementsofIEC61508forfunctionalsafety.Thesemechanismsmaybeusedinvariousindustrialapplicationssuchasprocesscontrol,manufacturingautomationandmachinery.Thispartprovidesguidelinesforbothdevelopersandassessorsofcompliantdevicesandsystems.NOTE2TheresultingSILclaimofasystemdependsontheimplementationoftheselectedfunctionalsafetycommunicationprofilewithinthissystem–implementationofafunctionalsafetycommunicationprofileaccordingtothispartinastandarddeviceisnotsufficienttoqualifyitasasafetydevice.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_05;35_160;35_240_50
【页数】:86P;A4
【正文语种】:英语


【英文标准名称】:Quantitiesandunits-Atomicandnuclearphysics
【原文标准名称】:量和单位.原子物理学和核物理学
【标准号】:BSISO31-9-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-07-16
【实施或试行日期】:2004-07-16
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:单位;测量单位;符号;变换;国际单位制;原子物理学;量;物理学;定义;尺寸
【英文主题词】:Atomphysics;Conversion;Definition;Definitions;Physics;Quantities;SIsystem;Size;Symbols;Units;Unitsofmeasurement
【摘要】:Givesname,symbolanddefinitionfor51quantitiesandunitsofatomicandnuclearphysics.Whereappropriate,conversionfactorsarealsogiven.AnnexAincludesnamesofsymbolsofthechemicalelements,AnnexBthenotationofsymbolsforchemicalelementsandnuclides,AnnexCtheoriginalnamesandsymbolsfornuclidesofradioactiveseries,AnnexDexamplesofrelationsindifferentsystemsofequationsusingdifferentsystemsofunits.
【中国标准分类号】:A51
【国际标准分类号】:01_060;07_030
【页数】:30P;A4
【正文语种】:英语