SAE AMS5725 Steel Bars, Corrosion and Heat Resistant 16cr 25.5ni 6.2mo 0.15n (Cancelled Jan 1991)
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来源:标准资料网
Product Code:SAE AMS5725
Title:Steel Bars, Corrosion and Heat Resistant 16cr 25.5ni 6.2mo 0.15n (Cancelled Jan 1991)
Issuing Committee:
Scope:
【英文标准名称】:SpecificationforImperviousGraphitePipeandThreading
【原文标准名称】:抗渗石墨管和螺纹的规范
【标准号】:ANSI/ASTMC662-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005-05-01
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:耐火材料;螺纹;石墨;管
【英文主题词】:refractorymaterials;graphite;threads;pipes
【摘要】:Thisspecificationcoversthestandardizationofthepipesizesandtypesofthreadsusedtojoinimperviousgraphitepipeandfittings.Thethreadstandardsmayalsobeappliedtoimperviouscarbonpipeandfittings.Itislimitedtophysicaldimensions.
【中国标准分类号】:Q51
【国际标准分类号】:23_040_50
【页数】:
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Profiles-Part3:Functionalsafetyfieldbuses-Generalrulesandprofiledefinitions
【原文标准名称】:工业通讯网络.剖面图.第3部分:功能安全数据总线.一般原则和剖面定义
【标准号】:IEC61784-3-2007
【标准状态】:作废
【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】: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;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);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;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);ITsecurity;Manufacturing;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processengineering;Productionengineering;Profile;Specification;Specification(approval);Transmissionmedia
【摘要】:ThispartoftheIEC61784-3seriesexplainssomecommonprinciplesthancanbeusedinthetransmissionofsafety-relevantmessagesamongparticipantswithinadistributednetworkusingfieldbustechnologyinaccordancewiththerequirementsofIEC61508seriesforfunctionalsafety.Theseprinciplescanbeusedinvariousindustrialapplicationssuchasprocesscontrol,manufacturingautomationandmachinery.Thispart1andtheIEC61784-3-xpartsspecifyseveralfunctionalsafetycommunicationprofilesbasedonthecommunicationprofilesandprotocollayersofthefieldbustechnologiesinIEC61784-1,IEC61784-2andtheIEC61158series.NOTE1Othersafety-relatedcommunicationsystemsmeetingtherequirementsofIEC61508seriesmayexistthatarenotincludedinthisstandard.NOTE2Itdoesnotcoverelectricalsafetyandintrinsicsafetyaspects.Electricalsafetyrelatestohazardssuchaselectricalshock.Intrinsicsafetyrelatestohazardsassociatedwithpotentiallyexplosiveatmospheres.Allsystemsareexposedtounauthorizedaccessatsomepointoftheirlifecycle.Additionalmeasuresneedtobeconsideredinanysafety-relatedapplicationtoprotectfieldbussystemsagainstunauthorizedaccess.IEC62443willaddressmanyoftheseissues;therelationshipwithIEC62443isdetailedinadedicatedsubclauseofthispart.NOTE3AdditionalprofilespecificrequirementsforsecuritymayalsobespecifiedinthefutureIEC61784-4.NOTE4Implementationofafunctionalsafetycommunicationprofileaccordingtothispartinadeviceisnotsufficienttoqualifyitasasafetydevice,asdefinedinIEC61508series.NOTE5TheresultingSILclaimofasystemdependsontheimplementationoftheselectedfunctionalsafetycommunicationprofilewithinthissystem.
【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】:52P;A4
【正文语种】:英语
