【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-10:Applicationlayerservicedefinition-Type10elements
【原文标准名称】:工业通讯网络.数据总线规范.第5-10部分:应用层设备定义.10型元件
【标准号】:IEC61158-5-10-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-12
【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;数字的;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;工业的;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;服务设施;规范;规范(验收);传输媒质
【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;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms."Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictotype10fieldbus.Theterm“time-critical"isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevariousTypesofIEC61158,andthecorrespondingprotocolsstandardizedinsubpartsofIEC61158-6.ThisspecificationmaybeusedasthebasisforformalApplicationProgramming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisconformanceofequipmenttothisapplicationlayerservicedefinitionstandardmainlyachievedthroughimplementationofthemodeledbehaviorofanapplicationlayeruser(e.g.seeuserstatemachines)accompaniedbyimplementationofconformingapplicationlayerprotocolsthatfulfilltheapplicationlayerservicesasdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_70;35_160
【页数】:760P;A4
【正文语种】:英语


【英文标准名称】:Specificationforpressboardandpresspaperforelectricalpurposes-Part1:Definitionsandgeneralrequirements
【原文标准名称】:电工用压纸板和薄纸板规范.第1部分:定义和一般要求
【标准号】:IEC60641-1-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC15
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;传输环境;尺寸;电气工程;釉面绝缘压板;绝缘材料;绝缘纸;叠层纸;叠层压板;压板;纯度;规范(验收);规范;厚度;类型分类
【英文主题词】:Definition;Definitions;Deliveryconditions;Dimensions;Electricalengineering;Electricalinsulatingmaterials;Glazedinsulatingpressboardplate;Insulatingmaterials;Insulatingpapers;Laminatedpapers;Laminatedpressboards;Pressboard;Purity;Specification(approval);Specifications;Thickness;Typeclassification
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:01_040_29;29_035_10
【页数】:14P.;A4
【正文语种】:英语