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IEC 61158-5-22-2010 工业通信网络.现场总线规范.第5-22部分:数据链路层协议规范.22型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-22:ApplicationlayerservicedefinitionType22elements
【原文标准名称】:工业通信网络.现场总线规范.第5-22部分:数据链路层协议规范.22型元件
【标准号】:IEC61158-5-22-2010
【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-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType22fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.Thisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbythefieldbusapplicationlayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice;b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedtoa)theFALuserattheboundarybetweentheuserandtheapplicationlayerofthefieldbusreferencemodel;andb)SystemsManagementattheboundarybetweentheapplicationlayerandSystemsManagementofthefieldbusreferencemodel.Thisstandardspecifiesthestructureandservicesofthefieldbusapplicationlayer,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】:84P.;A4
【正文语种】:英语


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MIL-A-17472A, INTERIM MILITARY SPECIFICATION: ABESTOS SHEET, COMPRESSED (GASKET MATERIAL) (04 JAN 1963) [USE MIL-A-0017472A IN LIEU OF MIL-A-17472] [S/S BY HH-P-46]., This specification covers symbol 2150 compressed asbestos sheet basket material used as a gasket joint sealing material for steam, hot and cold water or brine, air and gases, and oils.【英文标准名称】:Testingmethodsforpaints--Part4:Visualcharacteristicsoffilm--Section3:Visualcomparisonofthecolourofpaints
【原文标准名称】:涂料试验方法.第4部分:膜的视觉特性.第3节:涂料颜色的视觉比较.
【标准号】:JISK5600-4-3-1999
【标准状态】:现行
【国别】:日本
【发布日期】:1999-04-20
【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】:TechnicalCommitteeonChemicalProducts
【标准类型】:()
【标准水平】:()
【中文主题词】:视觉;颜色;涂料;色度特征;涂漆;薄膜材料;染色试验
【英文主题词】:painting;membranes;visualperception;colour;colorimetriccharacteristics;colourtests
【摘要】:この規格は,塗料及び関連製品の試料採取及び試験を取り扱う一連の規格のーつである。この規格は塗膜及び関連製品の色を,自然昼光又は色観察ブース内の人工光源を用いて,標準品(参照標準又は新たに調整した標準)と対比して目視比較するための方法を規定する。特別な効果を示す顔料を含む塗膜(例えば,メタリックエナメル)の方法については,照明及び受光のすべての詳細についての事前の協定がない場合には適用されない。
【中国标准分类号】:G50
【国际标准分类号】:87_040
【页数】:12P;A4
【正文语种】:日语