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【英文标准名称】:Buildingvalves-Combinedtemperatureandpressurereliefvalves-Testsandrequirements;GermanversionEN1490:2000
【原文标准名称】:建筑物阀门.组合型温度压力安全阀.试验和要求
【标准号】:DINEN1490-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:阀门;温度控制阀门;尺寸;水加热器;给水设施;输水管道配件;压力阀;密封性;特性;精整;规范(验收);稳定性(机械性能);给水;试验;建筑物;建筑物服务设施;作标记
【英文主题词】:
【摘要】:Thedocumentspecifiesmaterials,surfacecoatingsandfinishesoftheproduct,dimensions,hydrauliccharacteristics,tightnessandmechanicalproperties,tests,markingandpresentationforcombinedtemperatureandpressurereliefvalves.
【中国标准分类号】:J16
【国际标准分类号】:91_140_60
【页数】:25P;A4
【正文语种】:德语


【英文标准名称】:Numericalcontrolofmachines;Operationalcommandanddataformat
【原文标准名称】:机床数字控制工作指令和数据格式
【标准号】:ISO/TR6132-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981-08
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC184
【标准类型】:()
【标准水平】:()
【中文主题词】:维修说明书;机床;数字控制机床;数据处理;控制规程;信息块格式;数值控制;数据布置;符号;技术数据单;高级数据链路控制规程
【英文主题词】:
【摘要】:1DatatypesThenumericalcontrolsystemsaddressedbythisTechnicalReportuseacombinationoftwotypesofdata:1)Machineprogramdata—DataformattedinaccordancewithISO2539andcodedinaccordancewithISO840.2)Operationalstatements—Machineset-up,initializationand/oroperationalparameterdataformattedinaccordancewiththisTechnicalReportandcodedinaccordancewithISO646.Charactersubset:0-80-90-100-13charactersofcolumn2except2-7charactersofcolumn3except3-11and3-15charactersofcolumn4except4-0charactersofcolumn5characters7-12and7-152OperationalstatementsItisnotexpectedthatallNCsystemswillembodyallthefeaturesandcapabilitiesforwhichoperationalstatementshavebeendefinedinthisTechnicalReport.WhenanNCsystemhasthecapabilitytoenteroperationalstatements,themnemonicsandformatsdefinedinthisTechnicalReportshallbeused.ItisnotintendedthatthefunctionsdefinedhereinshalllimitthecapabilitiesofNCsystems;ad-ditionalfunctionsandoperationalstatementsmaybedefinedandimplementedbythecontrolbuilderasrequired.Itisalsoexpectedthatinsomeinstances,acontrolbuildermay,athisdiscretion,implementoneormoreofthefunctionsdefinedhereinexclusivelywithpushbuttonswitchesorotherconventionaloperatorcontrols.Ifthesefunctionsarelabelledinanabbreviatedormnemonicfashion,themnemonicsdefinedinthisTechnicalReportshallbeused.3HardwareconfigurationThisTechnicalReportdealswithnumericalcontrolsystemswhichmayassumeanyofawidevarietyofhardwareconfigurationsac-cordingtothepurposeandcapabilitiesrequiredofthesystem.Figure1showsanumericalcontrolsystemcontainingseveraltypesofperipheralhardware.TheprimaryconcernofthisTechnicalReportistheformofthedatapreparedbythepartprogrammerorin-troducedbytheoperatorintothenumericalcontrolsystemthroughoneormoreofthesedevices.Ingeneral,thesedatacanbeeither"machineprogramdata"or"operationalstatements".BinarydatainterchangeinformatsnotconformingtothisTechnicalReportmaybeutilizedwithinoramongvariousdevices,attheconvenienceofthecontrolbuilder,wheneversuchinterchangeistransparenttotheuser.Figure1suggestssomeofthepossibletypesofperipheralequipmentthatmaybeusedwithanumericalcontrolsystem;itisnottheintentofthisTechnicalReporttospecifyortolimitthetypesofperipheralsusedinagivensystem.Otherstandardsexisttodefinesomeofthephysicalinterfacesimpliedbyfigure1.4FunctionalcategoriesofcommandsToillustratetheimplementationofasystemhavingabroadrangeofcommandsandwithmaximumutilizationofanalphanumerickeyboardforcommandentry,asystemhavingastructureorganizationaccordingtofigure2hasbeenused.Figure2showsseveralcategoriesofcommandsthatmaybeimplemented.ItisnottheintentofthisTechnicalReporttospecificallyrequireortolimitthecommandstothoseshowninfigure2;theextentofthecapabilitiesofanygivennumericalcontrolsystemwilldependupontheusetowhichthesystemisput.Insomesystems,diagnosticcapabilities,managementinformationsystemfacilitiesandotherspecializedfunctionsorcategoriesmightbeprovidedinadditiontothoseshowninfigure2.Afeatureoftheorganizationshowninfigure2istheexistenceofaModeSelectorlevelinthesystemstructure.Anoperatorcom-municatingwithanumericalcontrolsystemhavingthisstructurecangainaccesstoanyofthesubordinatecommandcategoriesfromtheModeSelectorlevel.Oncehehasenteredtheappropriatesub-level,hecanperformanydesiredoperationforwhichmnemoniccommandshavebeendefinedinthatcommandcategory.Whenhehascompletedhistask,hecanswitchfromthesub-levelbacktotheModeSelectorlevel
【中国标准分类号】:J50
【国际标准分类号】:
【页数】:21P;A4
【正文语种】:英语