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IEC 61158-6-19-2010 工业通信网络.现场总线规范.第6-19部分:应用层协议规范.19型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part6-19:Applicationlayerprotocolspecification-Type19elements
【原文标准名称】:工业通信网络.现场总线规范.第6-19部分:应用层协议规范.19型元件
【标准号】:IEC61158-6-19-2010
【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】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;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;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(数据处理);开放系统互连;操作技术;OSI;过程控制工程;协议规范;协议;设备;传输媒质;传输协议
【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;Definitions;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Protocolspecification;Protocols;Services;Transmissionmedia;Transmissionprotocol
【摘要】:TheFieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType19fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbythedifferentTypesoffieldbusApplicationLayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedtoa)theFALuserattheboundarybetweentheuserandtheApplicationLayeroftheFieldbusReferenceModel,andb)SystemsManagementattheboundarybetweentheApplicationLayerandSystemsManagementoftheFieldbusReferenceModel.ThisstandardspecifiesthestructureandservicesoftheIECfieldbusApplicationLayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)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】:28P.;A4
【正文语种】:英语


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【英文标准名称】:StandardPerformanceRequirementsforPlasticChairsforOutdoorUse
【原文标准名称】:户外用塑料椅标准性能要求
【标准号】:ASTMF1561-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F15.33
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:casualfurniture;outdoorfurniture;patiofurniture;performancerequirements;plasticchair;resinfurniture;Casualfurniture;Nonresidentialdwellings;Outdoorfurniture;Patiofurniture;Performance--consumerproducts;Plasticfurniture;Residential
【摘要】:Testsandcriteriaasoutlineddeterminetheoverallusabilityandstabilityofchairsinanenvironmentsimulatingtheconditionsofuse.Testssimulatetwotypesofsurfaces:Smoothsurfacessuchaslinoleum,wetpooldecks,etc.Theglasstestingbase(Fig.2)isusedtosimulatethissurface.Roughsurfacessuchaswoodendecks,outdoorgrassedareas,etc.Theplywoodtestingbase(Fig.3)isusedtosimulatethissurface.Note8212;A=poly(methylmethacrylate)sheet(seestandardspecifications);B=ACexteriorgluefirplywood(seestandardspecifications);C=polypropylenemicrofoamsheet(seestandardspecifications);D=glass/tempered(seestandardspecifications).FIG.2GlassTestingBaseNote8212;A=poly(methylmethacrylate)sheet(seestandardspecifications);B=ACexteriorgluefirplywood(seestandardspecifications).FIG.3PlywoodTestingBase1.1TheserequirementsestablishnationallyrecognizedperformancerequirementsforClassA(residential)andClassB(nonresidential)plasticchairsintendedforoutdooruse.1.2Theserequirementsdonotaddressconditionsthataffecttheperformanceofthechairbeyondthemanufacturingsite.1.3Theserequirementsarenotapplicabletochaises,multipositionalchairs,upholsteredchairs,orothertypesoffurniture.1.4Theserequirementscoverthephysicalperformanceofproductregardingtheaspectsofoutdoorweathering,impact,staticload,andrearlegtesting.1.5Productsmaybemanufacturedfromrecycledplasticsaslongastheperformancerequirementsaremet.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y81
【国际标准分类号】:97_140
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Valves-Testofflowresistanceusingwaterastestfluid;GermanversionEN1267:1999
【原文标准名称】:阀门.以水作试验流体的流动阻力试验
【标准号】:DINEN1267-1999
【标准状态】:作废
【国别】:德国
【发布日期】:1999-11
【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】:流量率;管系统;滞后;阀门;试验媒体;测量技术;试验;试验报告;工业配件;流量测量;测量;水;截止阀;反虹吸系统;压力降;尺寸
【英文主题词】:Anti-siphonagesystems;Dimensions;Drag;Flowmeasurement;Flowrates;Industrialfittings;Measurement;Measuringtechniques;Mixingbattery;Pipingsystem;Pressuredrops;Shut-offvalves;Testmedia;Testreports;Testing;Valves;Water
【摘要】:Thedocumentspecifiesamethodfordeterminingthepressurelossandfluidratethroughvalvesinpipingsystemsusingwaterorairastestfluid.Typicalexamplesofvalvesforwhichthistestissuitableareisolatingvalves,non-return/checkvalves,mixingvalves.
【中国标准分类号】:J16
【国际标准分类号】:23_060_01
【页数】:24P.;A4
【正文语种】:德语



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