【英文标准名称】:Drilledcheeseheadscrews,fullythreaded,fortemperaturesabove260degreesC.
【原文标准名称】:.温度高于260℃用全螺纹钻孔用圆柱头螺钉
【标准号】:NFL22-277-1968
【标准状态】:现行
【国别】:法国
【发布日期】:1968-02
【实施或试行日期】:1968-01-24
【发布单位】:(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:线密度;名称与符号;镗孔头紧固件;凸圆头紧固件;钻孔沉头螺钉;航空运输;材料规范;螺钉;尺寸公差;粗糙度;槽头螺钉;槽头紧固件;尺寸;凸头螺钉;规范;飞行器部件;飞行器设备
【英文主题词】:
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:1P.;A4
【正文语种】:其他


【英文标准名称】:Functionalsafetyofelectrical/electronic/programmableelectronicsafety-relatedsystems.Requirementsforelectrical/electronic/programmableelectronicsafety-relatedsystems
【原文标准名称】:电气,电子,可编程电子安全性系统的功能安全性.电气,电子,可编程电子安全性系统的要求
【标准号】:BSEN61508-2-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-06-30
【实施或试行日期】:2010-06-30
【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】:交付使用;计算机应用;计算机硬件;计算机软件;计算机技术;计算机;控制系统;控制工艺学;数据处理;电控制设备;电气的;电气工程;电气设备;电气安全性;电子的;电子工程;电子系统;失败;故障;功能效率;信息处理;工作性能;过程测量和控制技术;可编程序的;程序设计;保护措施;可靠性;可靠性保证;安全性;安全装置;安全工程;安全措施;安全性要求;安全研究;安全系统;规范(验收)
【英文主题词】:Commissioning;Computerapplications;Computerhardware;Computersoftware;Computertechnology;Computers;Controlsystems;Controltechnology;Dataprocessing;Electriccontrolequipment;Electrical;Electricalengineering;Electricalequipment;Electricalsafety;Electronic;Electronicengineering;Electronicsystems;Fail;Failure;Functionalefficiency;Informationprocessing;Operatability;Processmeasuringandcontroltechnology;Programmable;Programming;Protectivemeasures;Reliability;Reliabilityassurance;Safety;Safetydevices;Safetyengineering;Safetymeasures;Safetyrequirements;Safetystudies;Safetysystems;Specification(approval)
【摘要】:1.1ThispartoftheIEC61508seriesa)isintendedtobeusedonlyafterathoroughunderstandingofIEC61508-1,whichprovidestheoverallframeworkfortheachievementoffunctionalsafety;b)appliestoanysafety-relatedsystem,asdefinedbyIEC61508-1,thatcontainsatleastoneelectrical,electronicorprogrammableelectronicelement;c)appliestoallelementswithinanE/E/PEsafety-relatedsystem(includingsensors,actuatorsandtheoperatorinterface);d)specifieshowtorefinetheE/E/PEsystemsafetyrequirementsspecification,developedinaccordancewithIEC61508-1(comprisingtheE/E/PEsystemsafetyfunctionsrequirementsspecificationandtheE/E/PEsystemsafetyintegrityrequirementsspecification),intotheE/E/PEsystemdesignrequirementsspecification;e)specifiestherequirementsforactivitiesthataretobeappliedduringthedesignandmanufactureoftheE/E/PEsafety-relatedsystems(i.e.establishestheE/E/PEsystemsafetylifecyclemodel)exceptsoftware,whichisdealtwithinIEC61508-3(seeFigures2to4).Theserequirementsincludetheapplicationoftechniquesandmeasuresthataregradedagainstthesafetyintegritylevel,fortheavoidanceof,andcontrolof,faultsandfailures;f)specifiestheinformationnecessaryforcarryingouttheinstallation,commissioningandfinalsafetyvalidationoftheE/E/PEsafety-relatedsystems;g)doesnotapplytotheoperationandmaintenancephaseoftheE/E/PEsafety-relatedsystems–thisisdealtwithinIEC61508-1–however,IEC61508-2doesproviderequirementsforthepreparationofinformationandproceduresneededbytheuserfortheoperationandmaintenanceoftheE/E/PEsafety-relatedsystems;h)specifiesrequirementstobemetbytheorganisationcarryingoutanymodificationoftheE/E/PEsafety-relatedsystems;i)doesnotapplyformedicalequipmentincompliancewiththeIEC60601series.
【中国标准分类号】:N18
【国际标准分类号】:13_260;25_040_40;29_020
【页数】:94P.;A4
【正文语种】:英语