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DIN EN 61158-3-2-2008 工业通讯网络.现场总线规范.第3-2部分:数据联络层设备定义.2型元件.仅为CD-ROM

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-2:Data-linklayerservicedefinition-Type2elements(IEC61158-3-2:2007);EnglishversionEN61158-3-2:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第3-2部分:数据联络层设备定义.2型元件.仅为CD-ROM
【标准号】:DINEN61158-3-2-2008
【标准状态】:现行
【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;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(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;信号;规范;规范(验收);传输媒质
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType2fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto:?theType2fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel;?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.Type2DL-serviceprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunicationsandthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,including:a)thesizesandoctetorderingofvariousmulti-octetserviceparameters;b)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType1data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:49P.;A4
【正文语种】:英语


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【英文标准名称】:Steelfittingsforrailwayvehicles;crosspieces
【原文标准名称】:有轨车辆用钢管配件.四通
【标准号】:DIN1568-1952
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


【英文标准名称】:Methodsforthecalibrationofvibrationandshockpick-ups;part12:testingoftransverseshocksensitivity
【原文标准名称】:振动与冲击传感器的校准方法第12部分:横向冲击灵敏性的测试
【标准号】:ISO5347-12-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:放置;振动;阻振器;冲击吸收器;测头;校正;力学;传感器;试验;试验
【英文主题词】:Calibration;Lay;Mechanic;Sensors;Shockabsorbers;Testing;Tests;Transducers;Vibration;Vibrationdampers
【摘要】:Laysdowndetailedspecificationsfortheinstrumentationandproceduretobeusedfortransverseshocksensitivitytesting.Appliestorectilinearaccelerometersofthestraingauge,piezoresistiveandpiezoelectrictype.Isapplicableforatimerangefrom0,01msto10msandadynamicrangefrom100m/sto10m/s.Thelimitsofuncertaintyapplicableare?20%ofreading.
【中国标准分类号】:A53
【国际标准分类号】:17_160
【页数】:2P.;A4
【正文语种】:英语