【英文标准名称】:Operatingconditionsforindustrial-processmeasurementandcontrolequipment-Power
【原文标准名称】:工业过程测量和控制设备工作条件.功率
【标准号】:BSEN60654-2-1980
【标准状态】:现行
【国别】:英国
【发布日期】:1980-09-30
【实施或试行日期】:1980-09-30
【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】:辅助能源;控制装置;控制设备;控制系统;控制技术;控制工艺学;定义(术语);直流电压;电控制设备;电能;电力系统;电功率;电气工程;应急电力设备;能源;供能系统(建筑物);环境条件;工业的;工业流程测量;工业;测量;测量设备;计量学;使用条件;功率(力学);电源;过程控制;过程测量和控制技术;特性;规范(验收)
【英文主题词】:Auxiliaryenergy;Controldevices;Controlequipment;Controlsystems;Controltechnique;Controltechnology;Definitions;Directvoltage;Electriccontrolequipment;Electricenergy;Electricpowersystems;Electricpower(wattage);Electricalengineering;Emergencyelectricalinstallations;Energysources;Energysupplysystems(buildings);Environmentalcondition;Industrial;Industrialprocessmeasurement;Industries;Measurement;Measuringequipment;Metrology;Operatingconditions;Power(mechanics);Powersupply;Processcontrol;Processmeasuringandcontroltechnology;Properties;Specification(approval)
【摘要】:Givesthelimitingvaluesforpowerreceivedbyland-basedandoff-shoresystems,orpartsofsystems,duringoperation.
【中国标准分类号】:N10
【国际标准分类号】:25_040_40
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-5:Applicationlayerservicedefinition-Type5elements
【原文标准名称】:工业通讯网络.现场总线规范.第5-5部分:应用层设备定义.5型元件
【标准号】:IEC61158-5-5-2007
【标准状态】:现行
【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-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType5fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevarioustypesofIEC61158.Thisspecificationmaybeusedasthebasisforformalapplicationprogramminginterfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisapplicationlayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofconformingapplicationlayerprotocolsthatfulfilltheType5applicationlayerservicesasdefinedinthisstandard.
【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】:520P;A4
【正文语种】:英语