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IEC 60770-1-1999 工业过程控制系统用变送器第1部分:性能评定方法

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【英文标准名称】:Transmittersforuseinindustrial-processcontrolsystems-Part1:Methodsforperformanceevaluation
【原文标准名称】:工业过程控制系统用变送器第1部分:性能评定方法
【标准号】:IEC60770-1-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-02
【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/SC65B
【标准类型】:()
【标准水平】:()
【中文主题词】:过程测量和控制技术;发射机;控制工艺学;工作性能;说明书;传感器;检验;控制系统;控制工程;试验;工业流程测量;磨损量;电控制设备;工业;过程控制;工业的;变流器;电气工程;气动控制系统
【英文主题词】:Control;Controlengineering;Controlequipment;Controlsystems;Controltechnology;Converters;Definitions;Electriccontrolequipment;Electricalengineering;Industrial;Industrialprocessmeasurement;Industries;Inspection;Instructions;Performanceinservice;Performancetesting;Pneumaticcontrolsystems;Processcontrol;Processmeasuringandcontroltechnology;Testing;Transducers;Transmitters;Wear-quantity
【摘要】:ThispartofIEC60770isapplicabletotransmitterswhichhaveeitherastandardanalogueelectriccurrentoutputsignalorastandardpneumaticoutputsignalinaccordancewithIEC60381-1orIEC60382.Thetestsdetailedhereinmaybeappliedtotransmitterswhichhaveotheroutputsignals,providedthatdueallowanceismadeforsuchdifferences.Forcertaintypesoftransmitterswherethesensorisanintegralpart,otherspecificIECorISOstandardsmayneedtobeconsulted(e.g.forchemicalanalysers,flowmeters,etc.)Thisstandardisintendedtospecifyuniformmethodsoftestfortheevaluationoftheperformanceoftransmitterswithpneumaticorelectricoutputsignals.Themethodsofevaluationspecifiedinthisstandardareintendedforusebymanufacturerstodeterminetheperformanceoftheirproductsandbyusersorindependenttestingestablish-mentstoverifymanufacturers'performancespecifications.Thetestconditionsdefinedinthisstandard,forexampletherangeofambienttemperaturesandpowersupply,representthosewhichcommonlyariseinuse.Consequently,thevaluesspecifiedhereinshouldbeusedwherenoothervaluesarespecifiedbythemanufacturer.Thetestsspecifiedinthisstandardarenotnecessarilysufficientforinstrumentsspecificallydesignedforunusuallyarduousorsafetyrelatedduties.Conversely,arestrictedseriesoftestmaybesuitableforinstrumentsdesignedtoperformwithinamorelimitedrangeofconditions.Whenafullevaluationinaccordancewiththisstandardisnotrequired,thosetestswhicharerequiredshallbeperformedandtheresultsreportedinaccordancewiththosepartsofthestandardwhicharerelevant.
【中国标准分类号】:N10
【国际标准分类号】:17_220_20
【页数】:37P.;A4
【正文语种】:英语


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【英文标准名称】:DigitalBroadbandDeliverySystem:OutofBandTransportPart2:ModeB
【原文标准名称】:数字宽频传输系统:带外传输.第2部分:B模式
【标准号】:ANSI/SCTE55-2-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:宽带系统;通信技术;数据传输;交付;数字信号;传输技术;运输
【英文主题词】:Broadbandsystems;Communicationtechnology;Datatransmission;Delivery;Digitalsignals;Transmissiontechnique;Transport
【摘要】:Describesthecompletephysicallayerstructure,i.e.,framingstructure,channelcodingandmodulation(QPSK),foreachdirection-DownstreamandUpstream.
【中国标准分类号】:M11
【国际标准分类号】:33_060_40
【页数】:
【正文语种】:英语


Product Code:SAE AMS4611
Title:Brass, Naval, Bars and Rods 60.5Cu - 38.7Zn - 0.8Sn Half Hard (H02)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers a copper alloy (naval brass) in the form of bars and rods.