您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 61158-5-2004 测量和控制用数字数据通信.工业控制系统用现场总线.应用层服务定义

作者:标准资料网 时间:2024-05-09 12:32:50  浏览:8482   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Digitaldatacommunicationsformeasurementandcontrol-Fieldbusforuseinindustrialcontrolsystems-Applicationlayerservicedefinition
【原文标准名称】:测量和控制用数字数据通信.工业控制系统用现场总线.应用层服务定义
【标准号】:BSEN61158-5-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-31
【实施或试行日期】:2004-08-31
【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】:数据通信;传播学;数字工程;数据传输线;数据服务;操作技术;工业设施;工业的;数字数据;信息技术;应用层;服务设施;电子仪器;制导系统;开放系统互连;开放系统互连;传输媒质;电气工程;计算机控制;数据传送;数据连接系统;总线系统;使用;电子数据处理;规范(验收);数据总线;计算机应用;数据处理;物理层;规范;控制;控制系统;电路网络;信息交换;控制设备;现场总线;总线;数据传输控制规程;过程控制工程;电子系统;控制工艺学;定义;数字的;接口(数据处理);数据网络;信息处理;数据交换
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Physicallayers;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:ThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa"windowbetweencorrespondingapplicationprograms."TheFALisanApplicationLayerCommunicationStandarddesignedtosupporttheconveyanceoftime-criticalandnon-time-criticalapplicationrequestsandresponsesamongdevicesinanautomationenvironment.Theterm"time-critical"isusedtorepresentthepresenceofanapplicationtime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.ThisstandardspecifiesthestructureandservicesoftheIECfieldbusApplicationLayer.ItisspecifiedinconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIApplicationLayerStructure(ISO/IEC9545).FALservicesandprotocolsareprovidedbyFALapplication-entities(AE)containedwithintheapplicationprocesses.TheFALAEiscomposedofasetofobject-orientedApplicationServiceElements(ASEs)andaLayerManagementEntity(LME)thatmanagestheAE.TheASEsprovidecommunicationservicesthatoperateonasetofrelatedapplicationprocessobject(APO)classes.OneoftheFALASEsisamanagementASEthatprovidesacommonsetofservicesforthemanagementoftheinstancesofFALclasses.ThispartofIEC61158specifiesinteractionsbetweenremoteapplicationsintermsof-anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseofFALServices,-theprimitives(interactionsbetweentheFALandtheFALuser)associatedwitheachFALService;-theparametersassociatedwitheachprimitive;-theinterrelationshipbetweenandthevalidsequencesoftheprimitivesforeachservice.Severalmodelsofcommunicationsarespecifiedinthisdocument.Eachmodelisspecifedasacommunciation"type".Eachtypehasitsownseparateclauseinthedocument.Althoughtheseservicesspecify,fromtheperspectiveofapplications,howrequestandresponsesareissuedanddelivered,theydonotincludeaspecificationofwhattherequestingandrespondingapplicationsaretodowiththem.Thatis,thebehavioralaspectsoftheapplicationsarenotspecified;onlyadefinitionofwhatrequestsandresponsestheycansend/receiveisspecified.ThispermitsgreaterflexibilitytotheFALusersinstandardizingsuchobjectbehavior.Inadditiontotheseservices,somesupportingservicesarealsodefinedinthisstandardtoprovideaccesstotheFALtocontrolcertainaspectsofitsoperation.
【中国标准分类号】:N17
【国际标准分类号】:35_100_70;35_160;35_240_50
【页数】:1290P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Determinationofexplosionlimitsofgasesandvapours.
【原文标准名称】:气体和蒸气的爆炸极限测定
【标准号】:NFS66-250-2004
【标准状态】:作废
【国别】:法国
【发布日期】:2004-02-01
【实施或试行日期】:2004-02-20
【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】:团料;格式(纸);安全;爆炸区域;定义;气体;试验;爆炸;点火极限;安全工程;爆炸性环境;混合气体;防爆;火灾危险;易燃材料;气爆;混合物;蒸气;事故预防;试验设备;空气;易燃性;试验报告;爆炸极限;燃烧气体;试验装置
【英文主题词】:Accidentprevention;Air;Burninggases;Conglomerates;Definition;Definitions;Explosionarea;Explosionlimits;Explosionprotection;Explosions;Explosiveatmospheres;Firerisks;Flammability;Flammablematerials;Forms(paper);Gasexplosion;Gasmixtures;Gases;Limitsofinflammability;Mixtures;Safety;Safetyengineering;Testequipment;Testreports;Testing;Testingdevices;Vapours
【摘要】:
【中国标准分类号】:C80
【国际标准分类号】:13_230
【页数】:28P.;A4
【正文语种】:其他


【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part3-3:Examinationsandmeasurements-Activemonitoringofchangesinattenuationandreturnloss
【原文标准名称】:纤维光学互连器件和无源元件.基本试验和测量程序.第3-3部分:检查和测量.衰减和回波损耗中变化的自动监控
【标准号】:IEC61300-3-3-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:阻尼(波);试验;光波导;测量技术;监控;可控区;衰减;回波损耗;外观检查(试验);电气工程;紧固件
【英文主题词】:Attenuation;Controlledarea;Damping;Electricalengineering;Fasteners;Measuringtechniques;Monitoring;Opticalwaveguides;Returnloss;Testing;Visualinspection(testing)
【摘要】:Describestheproceduretomonitorchangesinattenuationand/orreturnlossofacomponentoraninterconnectingdevice,whensubjectedtoanenvironmentalormechanicaltest.Theproceduremaybeappliedtomeasurementsonsinglesamplesortosimultan
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:46P;A4
【正文语种】:英语