IEC 61158-5-2-2010 工业通信网络.现场总线规范.第5-2部分:应用层协议规范.2型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-2:Applicationlayerservicedefinition-Type2elements
【原文标准名称】:工业通信网络.现场总线规范.第5-2部分:应用层协议规范.2型元件
【标准号】:IEC61158-5-2-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-08
【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/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:总线系统;总线(数据处理);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;现场总线;制导系统;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;物理层;过程控制;过程控制工程;过程控制系统;协议规范;协议;信号;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;Definitions;Digitaldata;Digitalengineering;Digitalsignals;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processcontrolsystems;Protocolspecification;Protocols;Signals;Transmissionmedia;Transmissionprotocol
【摘要】:Thefieldbusapplicationlayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType2fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType2fieldbusapplicationlayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedtoa)theFALuserattheboundarybetweentheuserandtheapplicationlayerofthefieldbusreferencemodel,andb)SystemsManagementattheboundarybetweentheapplicationlayerandSystemsManagementofthefieldbusreferencemodel.ThisstandardspecifiesthestructureandservicesoftheType2fieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498-1)andtheOSIapplicationlayerstructure(ISO/IEC9545).FALservicesandprotocolsareprovidedbyFALapplication-entities(AE)containedwithintheapplicationprocesses.TheFALAEiscomposedofasetofobject-orientedapplicationserviceelements(ASEs)andalayermanagemententity(LME)thatmanagestheAE.TheASEsprovidecommunicationservicesthatoperateonasetofrelatedapplicationprocessobject(APO)classes.OneoftheFALASEsisamanagementASEthatprovidesacommonsetofservicesforthemanagementoftheinstancesofFALclasses.Althoughtheseservicesspecify,fromtheperspectiveofapplications,howrequestandresponsesareissuedanddelivered,theydonotincludeaspecificationofwhattherequestingandrespondingapplicationsaretodowiththem.Thatis,thebehavioralaspectsoftheapplicationsarenotspecified;onlyadefinitionofwhatrequestsandresponsestheycansend/receiveisspecified.ThispermitsgreaterflexibilitytotheFALusersinstandardizingsuchobjectbehavior.Inadditiontotheseservices,somesupportingservicesarealsodefinedinthisstandardtoprovideaccesstotheFALtocontrolcertainaspectsofitsoperation.
【中国标准分类号】:M11
【国际标准分类号】:25_04_40;35_100_70;35_110
【页数】:200P.;A4
【正文语种】:英语


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【英文标准名称】:Acoustics-Measurementoftheinfluenceofroadsurfacesontrafficnoise-Statisticalpass-bymethod
【原文标准名称】:声学.路面对交通噪声影响力的测量.旁路统计法
【标准号】:BSENISO11819-1-2000
【标准状态】:现行
【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】:声学;商用车辆;比较试验;定义(术语);掘进速度;影响;测量;测量仪器;测量场所;测量技术;噪声等级;噪声测量;噪声测量值;人行道;路面(道路);私人汽车;道路磨耗层;路面;道路运输;道路车辆;道路;统计检验;统计学;表层;交通噪声;速度;磨耗层(道路)
【英文主题词】:Acoustics;Commercialvehicles;Comparativetests;Definitions;Drivingspeed;Influences;Measurement;Measuringinstruments;Measuringsites;Measuringtechniques;Noiselevels;Noisemeasurement;Noisemeasurements;Pavement;Pavements(roads);Privatecars;Roadcarpets;Roadsurfaces;Roadtransport;Roadvehicles;Roads;Statisticaltesting;Statistics;Surfacelayers;Trafficnoise;Velocity;Wearingcourses(roads)
【摘要】:
【中国标准分类号】:Z32
【国际标准分类号】:17_140_30;93_080_20
【页数】:36P;A4
【正文语种】:英语


【英文标准名称】:Structuraldesignandinstallationforresidentialphotovoltaicarray(roofmounttype)
【原文标准名称】:住宅用光伏天线(屋顶安装型)的结构设计和安装
【标准号】:JISC8956-2004
【标准状态】:作废
【国别】:日本
【发布日期】:2004-08-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonElectricityTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:この規格は,出力20kW未満の住宅屋根用太陽光発電システムに用いろ太陽電池アレイ(以下,アレイという。)のうち,陸屋根又はこう配屋根に設置する方式の構造に関する設計及び施工方法について規定する。
【中国标准分类号】:M51
【国际标准分类号】:27_160;91_140_50
【页数】:14P;A4
【正文语种】:日语