会员注册 | 登录 | 微信快捷登录 支付宝快捷登录 QQ登录 微博登录 | 帮助中心 人人文库renrendoc.com美如初恋!
站内搜索 百度文库

热门搜索: 直缝焊接机 矿井提升机 循环球式转向器图纸 机器人手爪发展史 管道机器人dwg 动平衡试验台设计

   首页 人人文库网 > 资源分类 > DOC文档下载

外文翻译--XM-120及121动态测量模块.doc

  • 资源星级:
  • 资源大小:100.00KB   全文页数:13页
  • 资源格式: DOC        下载权限:注册会员/VIP会员
您还没有登陆,请先登录。登陆后即可下载此文档。
  合作网站登录: 微信快捷登录 支付宝快捷登录   QQ登录   微博登录
友情提示
2:本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3:本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

外文翻译--XM-120及121动态测量模块.doc

附录二英文文献XM120121DYNAMICMEASUREMENTMODULESTheawardwinningAllenBradleyXM®Seriesistheworldsfirstmachinemonitoringandprotectionsystemdesignedasadistributednetworkofmodulesdeployedonanopenstandardindustrialbus.TheXM120StandardandtheXM121LowFrequencyDynamicMeasurementModulesareintelligent2channelgeneralpurposemonitorsthatsupportmeasurementsofdynamicinputssuchasvibration,pressureandstrain.Themodulesbuiltintachometermakesthemparticularlywellsuitedformonitoringshaft,casingandpedestalvibrationinrotatingequipment.ThetwomodulesareidenticalexceptfortheirhighpassfilterselectionsandinthattheXM120alsosupportsshafteccentricitymonitoringwhenitsalternateXM120Efirmwareisloaded.Inputsacceptedincludeeddycurrentprobe,standardintegratedElectronicsPiezoElectricIEPEaccelerometer,oranyvoltageoutputmeasurementdevicesuchasavelocityorpressuretransducer.Inadditiontovibrationinputs,themodulesacceptonetachometerinputtoprovidespeedmeasurementandorderanalysisfunctions.Bothmodulesemploya24bitA/Dconverterwhichprovidesunparalleledresolution,makingthemideallysuitedfordetectingmachineryproblems.VirtuallyanyfaultthatmanifestsitselfthroughchangesinthemagnitudeorphaseofvibrationcanbedetectedbytheadvancedsignalprocessingcapabilitiesoftheXM120XM121DynamicMeasurementmodules.Theseincludemostmechanicalandelectricallyinducedfaultssuchasunbalance,bearingwear,rotorcracksandrubs,instabilitiessuchasoilwhirl,preloadconditions/misalignmentandantifrictionbearingdefects.Withtwo420mAoutputsandasingleonboardrelay,expandabletofive,andanintegraltachometer,theXM120andXM121modulesofferacompletemonitoringsysteminasmall,simple,easilyinstalled,easilymaintainedpackage.TheXM120andXM121modulescanoperatestandalone,withnointerfacetohigherlevelcontrolsystemsorinteractiveuserinterfaces.TheycanalsobedeployedonastandardordedicatedDeviceNetnetworkwheretheycanproviderealtimedataandstatusinformationtootherXMmodules,PLCs,DCSandConditionMonitoringSystems.ConfigurationcanbeperformedeitherlocallyorremotelyviatheDeviceNetnetwork.Localconfigurationisprovidedbyasimple,intuitiveSerialConfigurationUtilityexecutingonaPCconnectedtothemodulesserialcommunicationsport.RemoteconfigurationcanbeperformedfromanynetworkedPCexecutingeitheranystandardDeviceNetconfigurationsoftware,ortheXMspecificconfigurationtoolincludedinRSIsRSMACCEOLsoftwaresystem.Selectingwhichmodule,theXM120orXM121,isappropriateforanapplicationisdependentonconsiderationoftheminimumfrequencyofinterest,thetypesofsensorsappliedandanyintegrationrequirements.Typicallytheminimumfrequencyofinterestwillbeaboutonethirdthenormaloperatingspeedofthemachine,unlessitisimportanttomonitorthemachinesbehaviorduringstartuporcoastdown.Whenmeasuringlowfrequencyvibrationitisessentialthatthesensorusedberatedbelowtheminimumfrequencyofinterest.Otherwisethesensormayintroducesignificantnoisepossiblyresultinginerroneous,ormisleading,data.Andifthesignalmustbeintegratedthenspecialattentiontothesensorqualityandhighpassfilterselectionmustbemadetoinsuretheminimumofnoiseintroducedtothesystemasonlyasmallamountofnoise,atlowfrequencies,canresultinadramaticreductioninthequalityandcapabilityofintegratedmeasurements.CommunicationsDeviceNetStandardDeviceNetprotocolforallfunctionsAvailableElectronicDataSheetEDSfileprovidessupportbymostDeviceNetcompliantsystemsAutobaudto125kb,250kbor500kbConfigurableI/OPollResponsesizebytesandAssembly6tochoosefromhelpsoptimizespaceutilizationwithinusersscannerinputtablesNoteTheXM120/121usesonlytheDeviceNetprotocol,notpower.Modulepowerisprovidedindependently.SideConnectorAllXMmeasurementandrelaymodulesincludesideconnectorsthatallowinterconnectingadjacentmodulestherebysimplifyingtheexternalwiringrequirements.TheInterconnectprovidesprimarypower,DeviceNetcommunicationandthecircuitsnecessarytosupportexpansionmodulessuchastheXM441ExpansionRelaymodule.SerialLocalconfigurationviaSerialUtilityProgramRS232viaminiconnectororterminalblockBaudrateautobaudto19200Tachometer1TachometerInputs±25V50VmaxpeaktopeakInputImpedance120kohmsminimumSpeed/FrequencyRange1to1,200,000RPM0.0167to20,000HzSpeedMeasurementError1to12,000RPM/1RPM12,001to120,000RPM/6RPM120,001to1,200,000RPM/50RPMPulsesperRevolution0tachoffto50,000Inputs2ChannelsofEddycurrenttransducersignalsAccelerometersignalsVoltagesignalsfromanydynamicmeasurementdevice,suchasavelocityorpressuretransducerTransducerPowerConstantvoltage24VdcConstantcurrent4.5mA±20from24VdcNonevoltageinputTachometermaybepowered,constantvoltage,orconfiguredasvoltageinputVoltageRangeSelectableinsoftwareas0to±20Vmin40Vmax.peaktopeakSensitivityUserconfigurableInputImpedance100kOutputs420mAOutputsEachoutputisindependentlyprogrammedtorepresentspeedoracceleration,fromeitherchannel2isolatedoutputs300ohmmaxloadBufferedOutputs1activebufferperinputchannelResistivebufferfortachometerIndicators7LEDsModuleStatusred/greenNetworkStatusred/greenChannel1Statusoff/yellow/redChannel2Statusoff/yellow/redTachometerStatusoff/yellow/redSetpointMultiplieroff/yellowRelayoff/redSignalConditioningSamplingModesAsynchronousSynchronousFrequencyrange1Hzto20kHzResolutionA/DConversion24bitsDynamicRange80dBfs0.01fs,90dBfstypicalFFTLines/Waveformblocksize–100/256–200/512–400/1024–800/2048AmplituderangeDependentonsensitivityIntegrationTwolevelsprovided,firstinhardware,secondinfirmwareAveragingAnynumberofaveragesmaybespecified.IfsamplingmodeisAsynchronousAveragingwillbedoneonthespectra.SynchronousAveragingwillbeperformedonthetimewaveformsLowPassFiltersIndependentlyconfiguredperchannelSpectraFMAX10Hz20kHzOptionalOverallmeasurementLPfilter200Hz20kHzRollOff24dBperoctaveHighPassFiltersIndependentlyconfiguredperchannelXM120IntegrationOFF1,5,10,40,1000HzRollOff30dBperoctaveforthe1HzHPF,otherwise24dBperoctaveIntegrationON5,10,40,1000HzRollOff–SingleIntegration30dBperoctaveforthe5HzHPF,otherwise24dBperoctave–DoubleIntegration42dBperoctaveforthe5HzHPF,otherwise24dBperoctaveXM121IntegrationOFF0.2,0.8,2,4,23.8HzRollOff30dBperoctaveforthe0.2HzHPF,otherwise24dBperoctaveIntegrationON0.8,2,4,23.8HzRollOff–SingleIntegration30dBperoctaveforthe0.8HzHPF,otherwise24dBperoctave–DoubleIntegration42dBperoctaveforthe0.8HzHPF,otherwise24dBperoctaveUnitsgvoltmilsummm/sPaipspsiComplexDataSpectrasynchronousorasynchronousTimeWaveformsynchronousorasynchronousSimultaneousTimeWaveformssynchronousDataBufferTrendBufferStoresasetofrecordscontainingmeasuredparametersinresponsetoatriggereventTrendRecord1to16parametersTrendInterval1to3600secondsTriggerThetrendissavedwhenaspecifiedrelayactuates,oroncommandfromanXM440,hostorcontrollerCapacity170to2048recordsdependingonthenumberofparametersstoredTripSpectraorTimeWaveformThecurrenttimewaveformsorspectraaresaveduponthesametriggereventdefinedfortheTrendBufferabove.SpeedBufferStoresastartup/coastdowntrendofmeasurementparametersinresponsetochangesinspeedSu/CdRecord1to16parametersSu/CdInterval1to3600RPMTriggerRecordsaresampledwhilespeedisbetweenuserspecifiedminimumandmaximumvaluesSampledwhilespeedisincreasingonlyduringstartup.

注意事项

本文(外文翻译--XM-120及121动态测量模块.doc)为本站会员(英文资料库)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网([email protected]),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

copyright@ 2015-2017 人人文库网网站版权所有
苏ICP备12009002号-5