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附录二英文文献XM120121DYNAMICMEASUREMENTMODULESTHEAWARDWINNINGALLENBRADLEYXMSERIESISTHEWORLD’SFIRSTMACHINEMONITORINGANDPROTECTIONSYSTEMDESIGNEDASADISTRIBUTEDNETWORKOFMODULESDEPLOYEDONANOPENSTANDARDINDUSTRIALBUSTHEXM120STANDARDANDTHEXM121LOWFREQUENCYDYNAMICMEASUREMENTMODULESAREINTELLIGENT2CHANNELGENERALPURPOSEMONITORSTHATSUPPORTMEASUREMENTSOFDYNAMICINPUTSSUCHASVIBRATION,PRESSUREANDSTRAINTHEMODULESBUILTINTACHOMETERMAKESTHEMPARTICULARLYWELLSUITEDFORMONITORINGSHAFT,CASINGANDPEDESTALVIBRATIONINROTATINGEQUIPMENTTHETWOMODULESAREIDENTICALEXCEPTFORTHEIRHIGHPASSFILTERSELECTIONSANDINTHATTHEXM120ALSOSUPPORTSSHAFTECCENTRICITYMONITORINGWHENITSALTERNATEXM120EFIRMWAREISLOADEDINPUTSACCEPTEDINCLUDEEDDYCURRENTPROBE,STANDARDINTEGRATEDELECTRONICSPIEZOELECTRICIEPEACCELEROMETER,ORANYVOLTAGEOUTPUTMEASUREMENTDEVICESUCHASAVELOCITYORPRESSURETRANSDUCERINADDITIONTOVIBRATIONINPUTS,THEMODULESACCEPTONETACHOMETERINPUTTOPROVIDESPEEDMEASUREMENTANDORDERANALYSISFUNCTIONSBOTHMODULESEMPLOYA24BITA/DCONVERTERWHICHPROVIDESUNPARALLELEDRESOLUTION,MAKINGTHEMIDEALLYSUITEDFORDETECTINGMACHINERYPROBLEMSVIRTUALLYANYFAULTTHATMANIFESTSITSELFTHROUGHCHANGESINTHEMAGNITUDEORPHASEOFVIBRATIONCANBEDETECTEDBYTHEADVANCEDSIGNALPROCESSINGCAPABILITIESOFTHEXM120XM121DYNAMICMEASUREMENTMODULESTHESEINCLUDEMOSTMECHANICALANDELECTRICALLYINDUCEDFAULTSSUCHASUNBALANCE,BEARINGWEAR,ROTORCRACKSANDRUBS,INSTABILITIESSUCHASOILWHIRL,PRELOADCONDITIONS/MISALIGNMENTANDANTIFRICTIONBEARINGDEFECTSWITHTWO420MAOUTPUTSANDASINGLEONBOARDRELAY,EXPANDABLETOFIVE,ANDANINTEGRALTACHOMETER,THEXM120ANDXM121MODULESOFFERACOMPLETEMONITORINGSYSTEMINASMALL,SIMPLE,EASILYINSTALLED,EASILYMAINTAINEDPACKAGETHEXM120ANDXM121MODULESCANOPERATESTANDALONE,WITHNOINTERFACETOHIGHERLEVELCONTROLSYSTEMSORINTERACTIVEUSERINTERFACESTHEYCANALSOBEDEPLOYEDONASTANDARDORDEDICATEDDEVICENETNETWORKWHERETHEYCANPROVIDEREALTIMEDATAANDSTATUSINFORMATIONTOOTHERXMMODULES,PLC’S,DCSANDCONDITIONMONITORINGSYSTEMSCONFIGURATIONCANBEPERFORMEDEITHERLOCALLYORREMOTELYVIATHEDEVICENETNETWORKLOCALCONFIGURATIONISPROVIDEDBYASIMPLE,INTUITIVESERIALCONFIGURATIONUTILITYEXECUTINGONAPCCONNECTEDTOTHEMODULESSERIALCOMMUNICATIONSPORTREMOTECONFIGURATIONCANBEPERFORMEDFROMANYNETWORKEDPCEXECUTINGEITHERANYSTANDARDDEVICENETCONFIGURATIONSOFTWARE,ORTHEXMSPECIFICCONFIGURATIONTOOLINCLUDEDINRSI’SRSMACCEOLSOFTWARESYSTEMSELECTINGWHICHMODULE,THEXM120ORXM121,ISAPPROPRIATEFORANAPPLICATIONISDEPENDENTONCONSIDERATIONOFTHEMINIMUMFREQUENCYOFINTEREST,THETYPESOFSENSORSAPPLIEDANDANYINTEGRATIONREQUIREMENTSTYPICALLYTHEMINIMUMFREQUENCYOFINTERESTWILLBEABOUTONETHIRDTHENORMALOPERATINGSPEEDOFTHEMACHINE,UNLESSITISIMPORTANTTOMONITORTHEMACHINESBEHAVIORDURINGSTARTUPORCOASTDOWNWHENMEASURINGLOWFREQUENCYVIBRATIONITISESSENTIALTHATTHESENSORUSEDBERATEDBELOWTHEMINIMUMFREQUENCYOFINTERESTOTHERWISETHESENSORMAYINTRODUCESIGNIFICANTNOISEPOSSIBLYRESULTINGINERRONEOUS,ORMISLEADING,DATAANDIFTHESIGNALMUSTBEINTEGRATEDTHENSPECIALATTENTIONTOTHESENSORQUALITYANDHIGHPASSFILTERSELECTIONMUSTBEMADETOINSURETHEMINIMUMOFNOISEINTRODUCEDTOTHESYSTEMASONLYASMALLAMOUNTOFNOISE,ATLOWFREQUENCIES,CANRESULTINADRAMATICREDUCTIONINTHEQUALITYANDCAPABILITYOFINTEGRATEDMEASUREMENTSCOMMUNICATIONSDEVICENETSTANDARDDEVICENETPROTOCOLFORALLFUNCTIONSAVAILABLEELECTRONICDATASHEETEDSFILEPROVIDESSUPPORTBYMOSTDEVICENETCOMPLIANTSYSTEMSAUTOBAUDTO125KB,250KBOR500KBCONFIGURABLEI/OPOLLRESPONSESIZEBYTESANDASSEMBLY6TOCHOOSEFROMHELPSOPTIMIZESPACEUTILIZATIONWITHINUSERSSCANNERINPUTTABLESNOTETHEXM120/121USESONLYTHEDEVICENETPROTOCOL,NOTPOWERMODULEPOWERISPROVIDEDINDEPENDENTLYSIDECONNECTORALLXMMEASUREMENTANDRELAYMODULESINCLUDESIDECONNECTORSTHATALLOWINTERCONNECTINGADJACENTMODULESTHEREBYSIMPLIFYINGTHEEXTERNALWIRINGREQUIREMENTSTHEINTERCONNECTPROVIDESPRIMARYPOWER,DEVICENETCOMMUNICATIONANDTHECIRCUITSNECESSARYTOSUPPORTEXPANSIONMODULESSUCHASTHEXM441EXPANSIONRELAYMODULESERIALLOCALCONFIGURATIONVIASERIALUTILITYPROGRAMRS232VIAMINICONNECTORORTERMINALBLOCKBAUDRATEAUTOBAUDTO19200TACHOMETER1TACHOMETERINPUTS25V50VMAXPEAKTOPEAKINPUTIMPEDANCE120KOHMSMINIMUMSPEED/FREQUENCYRANGE1TO1,200,000RPM00167TO20,000HZSPEEDMEASUREMENTERROR1TO12,000RPM/1RPM12,001TO120,000RPM/6RPM120,001TO1,200,000RPM/50RPMPULSESPERREVOLUTION0TACHOFFTO50,000INPUTS2CHANNELSOFEDDYCURRENTTRANSDUCERSIGNALSACCELEROMETERSIGNALSVOLTAGESIGNALSFROMANYDYNAMICMEASUREMENTDEVICE,SUCHASAVELOCITYORPRESSURETRANSDUCERTRANSDUCERPOWERCONSTANTVOLTAGE24VDCCONSTANTCURRENT45MA20FROM24VDCNONEVOLTAGEINPUTTACHOMETERMAYBEPOWERED,CONSTANTVOLTAGE,ORCONFIGUREDASVOLTAGEINPUTVOLTAGERANGESELECTABLEINSOFTWAREAS0TO20VMIN40VMAXPEAKTOPEAKSENSITIVITYUSERCONFIGURABLEINPUTIMPEDANCE100KOUTPUTS420MAOUTPUTSEACHOUTPUTISINDEPENDENTLYPROGRAMMEDTOREPRESENTSPEEDORACCELERATION,FROMEITHERCHANNEL2ISOLATEDOUTPUTS300OHMMAXLOADBUFFEREDOUTPUTS1ACTIVEBUFFERPERINPUTCHANNELRESISTIVEBUFFERFORTACHOMETERINDICATORS7LEDSMODULESTATUSRED/GREENNETWORKSTATUSRED/GREENCHANNEL1STATUSOFF/YELLOW/REDCHANNEL2STATUSOFF/YELLOW/REDTACHOMETERSTATUSOFF/YELLOW/REDSETPOINTMULTIPLIEROFF/YELLOWRELAYOFF/REDSIGNALCONDITIONINGSAMPLINGMODESASYNCHRONOUSSYNCHRONOUSFREQUENCYRANGE1HZTO20KHZRESOLUTIONA/DCONVERSION24BITSDYNAMICRANGE80DBFS001FS,90DBFSTYPICALFFTLINES/WAVEFORMBLOCKSIZE–100/256–200/512–400/1024–800/2048AMPLITUDERANGEDEPENDENTONSENSITIVITYINTEGRATIONTWOLEVELSPROVIDED,FIRSTINHARDWARE,SECONDINFIRMWAREAVERAGINGANYNUMBEROFAVERAGESMAYBESPECIFIEDIFSAMPLINGMODEISASYNCHRONOUSAVERAGINGWILLBEDONEONTHESPECTRASYNCHRONOUSAVERAGINGWILLBEPERFORMEDONTHETIMEWAVEFORMSLOWPASSFILTERSINDEPENDENTLYCONFIGUREDPERCHANNELSPECTRAFMAX10HZ20KHZOPTIONALOVERALLMEASUREMENTLPFILTER200HZ20KHZROLLOFF24DBPEROCTAVEHIGHPASSFILTERSINDEPENDENTLYCONFIGUREDPERCHANNELXM120INTEGRATIONOFF1,5,10,40,1000HZROLLOFF30DBPEROCTAVEFORTHE1HZHPF,OTHERWISE24DBPEROCTAVEINTEGRATIONON5,10,40,1000HZROLLOFF–SINGLEINTEGRATION30DBPEROCTAVEFORTHE5HZHPF,OTHERWISE24DBPEROCTAVE–DOUBLEINTEGRATION42DBPEROCTAVEFORTHE5HZHPF,OTHERWISE24DBPEROCTAVEXM121INTEGRATIONOFF02,08,2,4,238HZROLLOFF30DBPEROCTAVEFORTHE02HZHPF,OTHERWISE24DBPEROCTAVEINTEGRATIONON08,2,4,238HZROLLOFF–SINGLEINTEGRATION30DBPEROCTAVEFORTHE08HZHPF,OTHERWISE24DBPEROCTAVE–DOUBLEINTEGRATION42DBPEROCTAVEFORTHE08HZHPF,OTHERWISE24DBPEROCTAVEUNITSGVOLTMILSUMMM/SPAIPSPSICOMPLEXDATASPECTRASYNCHRONOUSORASYNCHRONOUSTIMEWAVEFORMSYNCHRONOUSORASYNCHRONOUSSIMULTANEOUSTIMEWAVEFORMSSYNCHRONOUSDATABUFFERTRENDBUFFERSTORESASETOFRECORDSCONTAININGMEASUREDPARAMETERSINRESPONSETOATRIGGEREVENTTRENDRECORD1TO16PARAMETERSTRENDINTERVAL1TO3600SECONDSTRIGGERTHETRENDISSAVEDWHENASPECIFIEDRELAYACTUATES,ORONCOMMANDFROMANXM440,HOSTORCONTROLLERCAPACITY170TO2048RECORDSDEPENDINGONTHENUMBEROFPARAMETERSSTOREDTRIPSPECTRAORTIMEWAVEFORMTHECURRENTTIMEWAVEFORMSORSPECTRAARESAVEDUPONTHESAMETRIGGEREVENTDEFINEDFORTHETRENDBUFFERABOVESPEEDBUFFERSTORESASTARTUP/COASTDOWNTRENDOFMEASUREMENTPARAMETERSINRESPONSETOCHANGESINSPEEDSU/CDRECORD1TO16PARAMETERSSU/CDINTERVAL1TO3600RPMTRIGGERRECORDSARESAMPLEDWHILESPEEDISBETWEENUSERSPECIFIEDMINIMUMANDMAXIMUMVALUESSAMPLEDWHILESPEEDISINCREASINGONLYDURINGSTARTUP
编号:201311171519536788    类型:共享资源    大小:100.00KB    格式:DOC    上传时间:2013-11-17
  
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