您的位置: 标准下载 » 协会标准 » SAE 美国机动车工程师学会 »

SAE J2824 J2824-Goldilocks Serial Communication Protocol Design

作者:标准资料网 时间:2024-05-11 12:13:02  浏览:9279   来源:标准资料网
下载地址: 点击此处下载
Product Code:SAE J2824
Title:J2824-Goldilocks Serial Communication Protocol Design
Issuing Committee:Vehicle Architecture For Data Communications Standards
Scope:
Rationale:
下载地址: 点击此处下载
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-7:Applicationlayerservicedefinition—Type7elements
【原文标准名称】:工业通讯网络.现场总线规范.应用层服务定义.7型元件
【标准号】:BSEN61158-5-7-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【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】: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;设备;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;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia;WorldFIP
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType7fieldbusApplicationLayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto1)theFALuserattheboundarybetweentheuserandtheApplicationLayeroftheFieldbusReferenceModel,and2)SystemsManagementattheboundarybetweentheApplicationLayerandSystemsManagementoftheFieldbusReferenceModel.ThisstandardspecifiesthestructureandservicesoftheIECfieldbusApplicationLayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIApplicationLayerStructure(ISO/IEC9545).Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevarioustypesofIEC61158.Thisspecificationmaybeusedasthebasisforformalapplicationprogramminginterfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_70;35_160;35_240_50
【页数】:240P.;A4
【正文语种】:英语


【英文标准名称】:Lungventilatorsformedicaluse;part1:requirements
【原文标准名称】:医用肺换气机.第1部分:要求
【标准号】:ISO10651-1-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-06-01
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC121
【标准类型】:()
【标准水平】:()
【中文主题词】:肺换气机;呼吸设备;作标记;规范(验收);医疗设备;安全要求;医疗技术学;试验
【英文主题词】:testing;breathingequipment;specification(approval);medicaltechnology;lungventilators;medicalequipment;safetyrequirements;marking
【摘要】:
【中国标准分类号】:C30
【国际标准分类号】:11_040_10
【页数】:25P.;A4
【正文语种】:英语