BS EN 50055-1991 可燃气体检测用电器.空气中沼气指示范围达5%(V/V)的第1类电器的性能要求

上一篇: BS 6686 Sec.2.3-1991 家用和类似电器发生的空气噪声的测定方法.第2部分:特殊要求.第3节:洗碗机
下一篇: BS EN 50058-1991 可燃气体检测用电器.沼气指示范围达100%(V/V)的第Ⅱ类电器的性能要求

【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part6-5:Applicationlayerprotocolspecification-Type5elements(IEC61158-6-5:2007);EnglishversionEN61158-6-5:2008,onlyonCD-ROM
【原文标准名称】:工业通信网络.现场总线规范.第6-5部分:应用层协议规范.5型元件
【标准号】:DINEN61158-6-5-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【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;数据服务;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;英语;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;处理字段总线;协议规范;协议;服务;规范;规范(验收);传输媒质;传输协议
【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;PROFIBUS;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType5fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisiblebehaviorprovidedbytheType5fieldbusApplicationLayerintermsofa)theabstractsyntaxdefiningtheapplicationlayerprotocoldataunitsconveyedbetweencommunicatingapplicationentities,b)thetransfersyntaxdefiningtheapplicationlayerprotocoldataunitsconveyedbetweencommunicatingapplicationentities,c)theapplicationcontextstatemachinedefiningtheapplicationservicebehaviorvisiblebetweencommunicatingapplicationentities;andd)theapplicationrelationshipstatemachinesdefiningthecommunicationbehaviorvisiblebetweencommunicatingapplicationentities;and.Thepurposeofthisstandardistodefinetheprotocolprovidedto1)definethewire-representationoftheserviceprimitivesdefinedinIEC61158-5-5,and2)definetheexternallyvisiblebehaviorassociatedwiththeirtransfer.ThisstandardspecifiestheprotocoloftheType5IECfieldbusApplicationLayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIApplicationLayerStructure(ISO/IEC9545).TheprincipalobjectiveofthisstandardistospecifythesyntaxandbehavioroftheapplicationlayerprotocolthatconveystheapplicationlayerservicesdefinedinIEC61158-5-5.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofprotocolsstandardizedinIEC61158-6.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_70;35_160
【页数】:113P.;A4
【正文语种】:德语


【英文标准名称】:Digitalcinema(D-cinema)packaging-Part3:Soundandpicturetrackfile
【原文标准名称】:数字电影院(D-cinema)组件.第3部分:声音和图片磁道文件
【标准号】:ISO26429-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【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/TC36
【标准类型】:()
【标准水平】:()
【中文主题词】:电影院;编码(数据转换);压缩;计算机制图;数据压缩;数据格式;数据处理;数字数据;数字工程;图像文件;图像处理;信息技术;电影技术;多媒体;软件;声道;磁道格式
【英文主题词】:Cinemas;Coding(dataconversion);Compression;Computergraphics;Datacompression;Dataformats;Dataprocessing;Digitaldata;Digitalengineering;Imagefiles;Imageprocessing;Informationtechnology;Motionpicturetechnique;Motion-picturetechnics;Multimedia;Software;Soundtracks;Trackformats
【摘要】:ThisstandardspecifiesthecommonfeaturesoftheformatofsoundandpictureTracksFilesfordistfibutionofD-CinemacontentusingtheMXFfileformat.Itdefinesdatastructuresforinterchangeatthesignalinterlacesofnetworksorstoragemedia,butdoesnotdefineinternalstorageformatsforcompliantdevicesormappingsforparticularessenceencedings.ThisdocumentisanApplicationSpecificationforDCinemaapplicationsItisbasedontheSMPTE390MOP-ATOMstandard,butisfurtherconstrainedtoaddresstheneedsofdistributionofD-Cinemacontenttoexhibitionsites.
【中国标准分类号】:P33
【国际标准分类号】:35_040;37_060_99
【页数】:9P;A4
【正文语种】:英语