【英文标准名称】:FixedRadioSystems-Characteristicsandrequirementsforpoint-to-pointequipmentandantennas-Part2-1:System-dependentrequirementsfordigitalsystemsoperatinginfrequencybandswherefrequencyco-ordinationinapplied(EndorsementfortheEnglis
【原文标准名称】:固定无线电系统.点对点设备和天线的特性和要求.第2-1部分:在调频频带中运行的数字系统的相关系统要求(英文版本核准本EN302217-2-1V1.3.1(2010-01)作为德国标准)
【标准号】:EN302217-2-1-2010
【标准状态】:现行
【国别】:
【发布日期】:2010-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:天线;频带;通讯;数字的;电气工程;频率;信息处理;无线电天线;无线电工程;无线电系统;额定值;接收台;信号传输;规范(验收);电讯;电信;穿透法;传输技术
【英文主题词】:Antennas;Bandoffrequencies;Communication;Digital;Electricalengineering;Frequencies;Informationprocessing;Radioantennas;Radioengineering;Radiosystems;Ratings;Receivingstation;Signaltransmission;Specification(approval);Telecommunication;Telecommunications;Transmissionmethods;Transmissiontechnique
【摘要】:
【中国标准分类号】:M51
【国际标准分类号】:33_060_30;33_120_40
【页数】:2P;A4
【正文语种】:英语


【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-16:Applicationlayerservicedefinition-Type16elements(IEC61158-5-16:2007);EnglishversionEN61158-5-16:2008,onlyonCD-ROM
【原文标准名称】:工业通信网络.现场总线规范.第5-16部分:应用层服务定义.16型元件
【标准号】:DINEN61158-5-16-2008
【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;物理层;过程控制工程;服务;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;Physicallayers;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType16fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.Thisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbythefieldbusapplicationlayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto1)theFALuserattheboundarybetweentheuserandtheapplicationlayerofthefieldbusreferencemodel,and2)SystemsManagementattheboundarybetweentheapplicationlayerandSystemsManagementofthefieldbusreferencemodel.Thisstandardspecifiesthestructureandservicesofthefieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIapplicationlayerstructure(ISO/IEC9545).Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevariousTypesofIEC61158,andthecorrespondingprotocolsstandardizedinsubpartsofIEC61158-6.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
【页数】:36P;A4
【正文语种】:德语