ANSI/(NFPA) T2.24.1 R1-2007 液压传动.固定工业机械用系统标准.ISO4413-1998补充件.液压传动.与系统相关的一般规则
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【英文标准名称】:Hydraulicfluidpower-Systemsstandardforstationaryindustrialmachinery-SupplementtoISO4413:1998-Hydraulicfluidpower-Generalrulesrelatingtosystems
【原文标准名称】:液压传动.固定工业机械用系统标准.ISO4413-1998补充件.液压传动.与系统相关的一般规则
【标准号】:ANSI/(NFPA)T2.24.1R1-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:防火;液压系统;总论;液压传动;液压液;液压传动系统;工业的;机械;维修;制造过程;采购;安全系统;固定的
【英文主题词】:Fireprotection;Fluidsystems;Generalsection;Hydraulicfluidpower;Hydraulicfluids;Hydraulicsystems;Hydraulictransmissionsystems;Industrial;Machinery;Maintenance;Manufacturingprocess;Purchases;Safetysystems;Stationary
【摘要】:Thisstandardprovidesgeneralrulesrelatingtohydraulicsystemsonmachineryusedinindustrialmanufacturingprocesses.Itisintendedasaguideforbothsuppliersandpurchasers,withaviewtoensuring:safety;uninterruptedsystemoperation;easeandeconomyofmaintenance;andlonglifeofthesystem.ThisstandardparallelsandsupplementsISO4413.TherequirementsandprovisionsofISO4413apply,exceptwheremodified,altered,oraugmentedbytheprovisionscontainedinthisstandard.
【中国标准分类号】:J20
【国际标准分类号】:23_100_01
【页数】:
【正文语种】:英语
【英文标准名称】:LABORATORYGLASSWARE.WOLFFBOTTLES.
【原文标准名称】:实验室玻璃器皿.三颈瓶
【标准号】:NFB35-015-1969
【标准状态】:作废
【国别】:法国
【发布日期】:1969-05
【实施或试行日期】:1969-04-28
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;烧瓶(实验室);几何;烧瓶;规范;实验室玻璃器皿;分类系统;分类;几何特性
【英文主题词】:
【摘要】:
【中国标准分类号】:N64
【国际标准分类号】:71_040_20
【页数】:3P.;A4
【正文语种】:其他
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part4-14:Data-linklayerprotocolspecification-Type14elements(IEC61158-4-14:2007);EnglishversionEN61158-4-14:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第4-14部分:数据联络层协议规范.14型元件.仅为CD-ROM
【标准号】:DINEN61158-4-14-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】: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;数据连接系统;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;数字信号;电子数据处理;电气工程;电子仪器;电子系统;英语;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;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;协议规范;协议;信号;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;Digitalsignals;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:1.1GeneralThedata-linklayerprovidesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Thisprotocolprovidescommunicationopportunitiestoallparticipatingdata-linkentitiesa)inasynchronously-startingcyclicmanner,accordingtoapre-establishedschedule,andb)inacyclicoracyclicasynchronousmanner,asrequestedeachcyclebyeachofthosedata-linkentities.Thusthisprotocolcanbecharacterizedasonewhichprovidescyclicandacyclicaccessasynchronouslybutwithasynchronousrestartofeachcycle.1.2SpecificationsThisstandardspecifiesa)proceduresforthetimelytransferofdataandcontrolinformationfromonedata-linkuserentitytoapeeruserentity,andamongthedata-linkentitiesformingthedistributeddata-linkserviceprovider;b)proceduresforgivingcommunicationsopportunitiestoallparticipatingDL-entities,sequentiallyandinacyclicmannerfordeterministicandsynchronizedtransferatcyclicintervalsuptoonemillisecond;c)proceduresforgivingcommunicationopportunitiesavailablefortime-criticaldatatransmissiontogetherwithnon-time-criticaldatatransmissionwithoutprejudicetothetime-criticaldatatransmission;d)proceduresforgivingcyclicandacycliccommunicationopportunitiesfortime-criticaldatatransmissionwithprioritizedaccess;e)proceduresforgivingcommunicationopportunitiesbasedonstandardISO/IEC8802-3mediumaccesscontrol,withprovisionsfornodestobeaddedorremovedduringnormaloperation;f)thestructureofthefieldbusDLPDUsusedforthetransferofdataandcontrolinformationbytheprotocolofthisstandard,andtheirrepresentationasphysicalinterfacedataunits.1.3ProceduresTheproceduresaredefinedintermsofa)theinteractionsbetweenpeerDL-entities(DLEs)throughtheexchangeoffieldbusDLPDUs;b)theinteractionsbetweenaDL-service(DLS)providerandaDLS-userinthesamesystemthroughtheexchangeofDLSprimitives;c)theinteractionsbetweenaDLS-providerandaPh-serviceproviderinthesamesystemthroughtheexchangeofPh-serviceprimitives.1.4ApplicabilityTheseproceduresareapplicabletoinstancesofcommunicationbetweensystemswhichsupporttime-criticalcommunicationsserviceswithinthedata-linklayeroftheOSIorfieldbusreferencemodels,andwhichrequiretheabilitytointerconnectinanopensystemsinterconnectionenvironment.Profilesprovideasimplemulti-attributemeansofsummarizinganimplementation’scapabilities,andthusitsapplicabilitytovarioustime-criticalcommunicationsneeds.
【中国标准分类号】:P76;N18
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:36P.;A4
【正文语种】:英语
