ANSI/EIA-600.81-1997 公共应用语言(CAL)规范
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来源:标准资料网
【英文标准名称】:CommonApplicationLanguage(CAL)Specification
【原文标准名称】:公共应用语言(CAL)规范
【标准号】:ANSI/EIA-600.81-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:信息技术;程序设计语言
【英文主题词】:informationtechnology;programminglanguages
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_160;35_060
【页数】:
【正文语种】:英语
【英文标准名称】:Rubbervibrationisolatorsforjournalbearingthrustbearersofrailwayrollingstock
【原文标准名称】:铁路车辆轴颈轴受推力挡盖用防振橡胶垫
【标准号】:JISE4713-1989
【标准状态】:作废
【国别】:日本
【发布日期】:1989-09-01
【实施或试行日期】:1989-09-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:RailwayandRollingStocks
【标准类型】:()
【标准水平】:()
【中文主题词】:合成橡胶;轴颈轴承;铁路车辆零部件;轴向止推轴承;阻振器
【英文主题词】:railwayvehiclecomponents;vibrationdampers;;journalbearings;axial-thrustbearings
【摘要】:
【中国标准分类号】:S05;G35
【国际标准分类号】:45_060
【页数】:4P;A4
【正文语种】:日语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-12:Applicationlayerservicedefinition-Type12elements
【原文标准名称】:工业通讯网络.数据总线规范.第5-12部分:应用层设备定义.12型元件
【标准号】:IEC61158-5-12-2007
【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;Physicallayers;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType12fieldbus.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,nordoesitconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisapplicationlayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofconformingapplicationlayerprotocolsthatfulfillanygivenTypeofapplicationlayerservicesasdefinedinthisstandard.
【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】:120P;A4
【正文语种】:英语
