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BS EN 61158-3-14-2008 工业通讯网络.数据总线规范.数据联络层设备定义.14型元件

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【英文标准名称】:Industrialcommunicationnetworks—Fieldbusspecifications—Part3-14:Data-linklayerservicedefinition—Type14elements
【原文标准名称】:工业通讯网络.数据总线规范.数据联络层设备定义.14型元件
【标准号】:BSEN61158-3-14-2008
【标准状态】:作废
【国别】:英国
【发布日期】:2009-01-31
【实施或试行日期】:2009-01-31
【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】: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】:ThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType14fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType14fieldbusapplicationlayerattheboundarybetweentheapplicationanddatalinklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.Thisstandarddonotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType14data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:M11
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:24P.;A4
【正文语种】:英语


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【英文标准名称】:Milkandmilkproducts-Determinationoffatcontent-Generalguidanceontheuseofbutyrometricmethods
【原文标准名称】:乳和乳制品.脂肪含量的测定.油脂计法使用的一般指南
【标准号】:BSISO11870-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【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】:验证;食品检验;使用条件;含量测定;试验设备;牛奶;乳制品;脂肪含量测定;油脂计法
【英文主题词】:Agriculturalproducts;Butyrometricmethods;Chemicalanalysisandtesting;Dairyproducts;Determinationofcontent;Fats;Foodproducts;Milk
【摘要】:ThisInternationalStandardgivesguidanceonthefollowingsubjects:—existingstandardizedmethods(bothreferenceandbutyrometric)forthedeterminationofthefatcontentofthevariousmilkproducts;—theprinciplesunderlyinganyacid-butyrometricanalysisandthemainoperatingrequirements;—avalidationprocedureforabutyrometricmethodinrelationtotherelevantreferencemethod.
【中国标准分类号】:X16
【国际标准分类号】:67_100_01
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Bituminousmixtures-Testmethodsforhotmixasphalt-Part32:Laboratorycompactionofbituminousmixturesbyvibratorycompactor(includesAmendmentA1:2007);EnglishversionofDINEN12697-32:2007-11
【原文标准名称】:沥青混合料.热混沥青的试验方法.第32部分:用振动压实机对沥青混合料的实验室压实
【标准号】:DINEN12697-32-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【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】:地沥青;压实;建筑;施工材料;定义;密度;设计;测定;钻芯;热混沥青;实验室测试;测量;测量仪器;测量技术;机械性能;物理性能;道路建筑;测试;厚度;厚度测量
【英文主题词】:Asphalts;Compacting;Construction;Constructionmaterials;Definition;Definitions;Density;Design;Determination;Drillcores;Hotmixasphalts;Laboratorytesting;Measurement;Measuringinstruments;Measuringtechniques;Mechanicalproperties;Physicalproperties;Roadconstruction;Testing;Thickness;Thicknessmeasurement
【摘要】:ThisEuropeanStandarddescribesatestmethodforthepreparationofbituminoustestspecimensusingavibratorycompactiontechnique.ThisEuropeanStandardisapplicabletoloosemixturesandcoresandisusedtoestablishareferencedensityforabituminousmixtureinaccordancewiththeproceduresdescribedinEN12697-9,ortheeaseofcompactionasdescribedinEN12697-10.
【中国标准分类号】:E43
【国际标准分类号】:93_080_20
【页数】:16P.;A4
【正文语种】:英语