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【英文标准名称】:Railwayapplications.Communication,signallingandprocessingsystems.Softwareforrailwaycontrolandprotectionsystems
【原文标准名称】:铁路应用设施.通信,信号和处理系统.铁路控制和保护系统软件
【标准号】:BSEN50128-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-07-31
【实施或试行日期】:2011-07-31
【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】:
【英文主题词】:Applications;Competence;Computerapplications;Computersoftware;Continuous-pathcontrol;Controlengineering;Controlsystems;Dataprocessing;Definitions;Developments;Documentations;Informationprocessing;Maintenance;Operationalmonitoringsystems;Personnel;Programmable;Programmedcontrolsystems;Protectivemeasures;Railwayapplications;Railwayengineering;Railways;Safetyrequirements;Signaltransmission;Software;Telecommunications;Testing;Tools;Use
【摘要】:1.1ThisEuropeanStandardspecifiestheprocessandtechnicalrequirementsforthedevelopmentofsoftwareforprogrammableelectronicsystemsforuseinrailwaycontrolandprotectionapplications.Itisaimedatuseinanyareawheretherearesafetyimplications.Thesesystemscanbeimplementedusingdedicatedmicroprocessors,programmablelogiccontrollers,multiprocessordistributedsystems,largerscalecentralprocessorsystemsorotherarchitectures.1.2ThisEuropeanStandardisapplicableexclusivelytosoftwareandtheinteractionbetweensoftwareandthesystemofwhichitispart.1.3ThisEuropeanStandardisnotrelevantforsoftwarethathasbeenidentifiedashavingnoimpactonsafety,i.e.softwareofwhichfailurescannotaffectanyidentifiedsafetyfunctions.1.4ThisEuropeanStandardappliestoallsafetyrelatedsoftwareusedinrailwaycontrolandprotectionsystems,including–applicationprogramming,–operatingsystems,–supporttools,–firmware.Applicationprogrammingcompriseshighlevelprogramming,lowlevelprogrammingandspecialpurposeprogramming(forexample:Programmablelogiccontrollerladderlogic).1.5ThisEuropeanStandardalsoaddressestheuseofpre-existingsoftwareandtools.Suchsoftwaremaybeused,ifthespecificrequirementsin7.3.4.7and6.5.4.16onpre-existingsoftwareandfortoolsin6.7arefulfilled.1.6SoftwaredevelopedaccordingtoanyversionofthisEuropeanStandardwillbeconsideredascompliantandnotsubjecttotherequirementsonpre-existingsoftware.1.7ThisEuropeanStandardconsidersthatmodernapplicationdesignoftenmakesuseofgenericsoftwarethatissuitableasabasisforvariousapplications.Suchgenericsoftwareisthenconfiguredbydata,algorithms,orboth,forproducingtheexecutablesoftwarefortheapplication.ThegeneralClauses1to6and9ofthisEuropeanStandardapplytogenericsoftwareaswellasforapplicationdataoralgorithms.ThespecificClause7appliesonlyforgenericsoftwarewhileClause8providesthespecificrequirementsforapplicationdataoralgorithms.1.8ThisEuropeanStandardisnotintendedtoaddresscommercialissues.Theseshouldbeaddressedasanessentialpartofanycontractualagreement.AlltheclausesofthisEuropeanStandardwillneedcarefulconsiderationinanycommercialsituation.1.9ThisEuropeanStandardisnotintendedtoberetrospective.Itthereforeappliesprimarilytonewdevelopmentsandonlyappliesinitsentiretytoexistingsystemsifthesearesubjectedtomajormodifications.Forminorchanges,only9.2applies.Theassessorhastoanalysetheevidencesprovidedinthesoftwaredocumentationtoconfirmwhetherthedeterminationofthenatureandscopeofsoftwarechangesisadequate.However,applicationofthisEuropeanStandardduringupgradesandmaintenanceofexistingsoftwareishighlyrecommended.
【中国标准分类号】:S61
【国际标准分类号】:35_240_60;45_020;93_100
【页数】:132P.;A4
【正文语种】:英语