IEC 61158-5-20-2010 工业通讯网络.现场总线规范.第5-20部分:应用层设备定义.20型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-20:Applicationlayerservicedefinition-Type20elements
【原文标准名称】:工业通讯网络.现场总线规范.第5-20部分:应用层设备定义.20型元件
【标准号】:IEC61158-5-20-2010
【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.”ThispartofIEC61158providescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType20fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbythedifferentTypesofthefieldbusApplicationLayerintermsofa)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】:52P.;A4
【正文语种】:英语


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【英文标准名称】:Roadvehicles-Environmentalconditionsandtestingforelectrical&electronicequipment-Climaticloads
【原文标准名称】:道路车辆.电气和电子设备的环境条件和试验.气候负荷
【标准号】:BSISO16750-4-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2006-08-31
【实施或试行日期】:2006-08-31
【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】:温度变化;气候;气候条件;气候荷载;腐蚀试验;湿热试验;识别标志;电缆;电气工程;电气设备;电力设备;电气试验;电子系统;环境;环境条件;环境影响;影响的环境因素;影响量;耐光性;摩托车;道路车辆;中性盐雾试验;规范(验收);应力;温度试验;试验;应用;车辆设备;运载工具;风化
【英文主题词】:Changesoftemperature;Climate;Climaticcondition;Climaticloading;Corrosiontests;Damp-heattests;Distinguishingsigns;Electriccables;Electricalengineering;Electricalequipment;Electricalinstallations;Electricaltesting;Electronicsystems;Environment;Environmentalcondition;Environmentalconditions;Environmentaleffects;Environmentalfactorofinfluence;Influencequantity;Light-fastness;Motorvehicles;Roadvehicles;Salt-spraytests;Specification(approval);Stress;Temperaturetest;Testing;Use;Vehicleequipment;Vehicles;Weathering
【摘要】:ISO16750appliestoelectricandelectronicsystems/componentsforroadvehicles.Itdescribesthepotentialenvironmentalstressesandspecifiestestsandrequirementsrecommendedforthespecificmountinglocationon/inthevehicle.ThispartofISO16750describestheclimaticloads.
【中国标准分类号】:T36
【国际标准分类号】:43_040_10
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:ASMEBoiler&PressureVesselCode-Section6:RecommendedRulesforCareandOperationofHeatingBoilers;2006AddendaJuly1,2006
【原文标准名称】:ASME锅炉和压力容器规范.第6部分:加热锅炉养护和操作的推荐原则.补充件2006
【标准号】:ASMEBPVCSection6Addenda2006-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:锅炉;铸铁;代码;控制设备;定义;试验(质量保证);热水锅炉;检验;装置;烧水壶;维修;操作;质量保证;安全工程;安全要求;锅炉钢;钢;监督(认可);容器
【英文主题词】:
【摘要】:
【中国标准分类号】:J98
【国际标准分类号】:27_060_30
【页数】:
【正文语种】:英语