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BS EN 61158-3-11-2008 工业通讯网络.数据总线规范.数据联络层设备定义.11型元件

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【英文标准名称】:Industrialcommunicationnetworks—Fieldbusspecifications—Part3-11:Data-linklayerservicedefinition—Type11elements
【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.11型元件
【标准号】:BSEN61158-3-11-2008
【标准状态】:现行
【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.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType11fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType11fieldbusapplicationlayerattheboundarybetweentheapplicationanddatalinklayersofthefieldbusreferencemodel,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-linkprotocolthatfulfillstheType11data-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】:40P.;A4
【正文语种】:英语


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【英文标准名称】:Germanstandardmethodsfortheexaminationofwater,wastewaterandsludge;Testmethodsusingwaterorganisms(groupL);Generalguidelinesfortheplanning,performanceandevaluationofbiologicaltests(L1)
【原文标准名称】:德国对水.废水和淤泥的统一检验法.用水生物试验法(L组).生物试验法的计划.执行及分析结果的一般说明
【标准号】:DIN38412-1-1982
【标准状态】:作废
【国别】:德国
【发布日期】:1982-06
【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】:试验;水质试验;废水;标准方法;生态学;污水
【英文主题词】:sewage;standardmethods;ecology;wastewater;testing;watertesting
【摘要】:
【中国标准分类号】:P41;C51
【国际标准分类号】:13_060_40
【页数】:9P;A4
【正文语种】:德语


【英文标准名称】:Reliabilityoffibreopticinterconnectingdevicesandpassiveopticalcomponents-Introductoryguideanddefinitions
【原文标准名称】:光纤互连装置和无源光学元件可靠性.介绍指南和定义
【标准号】:BSEN62005-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-09-05
【实施或试行日期】:2001-09-05
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:术语;术语;纤维光学连接器;纤维光学;光学纤维;手册;可靠度;光纤
【英文主题词】:Adjustment;Adjustments;Classifications;Components;Connectiontechnology;Connectoredjoints;Damping;Dampingcapacity;Definition;Definitions;Electricplugs;Fasteners;Fibreoptics;Glassfibrecables;Glassfibres;Measuringtechniques;Methods;Monomodefibres;Opticalwaveguides;Producttests;Reliability;Testing;Validation
【摘要】:ThispartofIEC62005isaguideforassessingthereliabilityinterconnectingdevicesandpassivecomponents.Itisintendedtobeappliedtoalltypesoffibre-opticinterconnectingdevicesandpassiveopticalcomponents.Thefamilyofapplicabletypesincludes,butisnotlimitedto,passivedevicesusedforconnection,branching,switching,minimizationofreflection,controlofpower/attenuation,dispersioncompensation,modulationandwavelengthselectionorfiltering.Closuresmaybeincludedinthefuture.
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:20P.;A4
【正文语种】:英语