epro MMS 6000 User Manual

  MMS6110Directionforuse
  PurposeandApplication  Page3
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1. PURPOSEANDAPPLICATION
TheMMS6110dual-channelshaftvibrationmonitorispartoftheMMS6000machinemoni-
toring system. In connection with two eddy current measuring chains, the microprocessor
controlledmoduleservesmeasurementandsupervisionofrelativeshaftvibrationsatallkind
ofturbines,compressors,fansandgearboxes.
Duringconfigurationthetwochannelsofthemonitormaybedefinedforseparatemeasure-
mentorforthecombineduse.Thefollowingmodesarepossible:
• Dualchannelmodewithtwoseparatechannels.
Foreachchanneltheconfigurationparameters(measuringrange,typeoftransducer,limit
valuesetc.),canbedefinedseparately.Eachchannelcalculatesitsowncharacteristical
value(peak-peakorzero-peakvalue)andchecksitonlimitexceedingsandfaultsofthe
measuringchain.
• CalculationandoutputofmaximumvalueSmax.
TheresultingmaximumvalueSmaxoftheshaftvibrationforthemeasuringdirectionsX
andYaccordingtoDIN45670(characteristicalvalueA)iscalculatedbygeometricaladdi-
tionoftheactualvaluesS1(channel1)andS2(channel2)[
)t(2s)t(1s)t(S
22
m
+= ].The
maximumvalueSmaxisoutputascharacteristicalvalueandcheckedonlimitexceedings
• CalculationandoutputofmaximumvibrationamplitudesS
pp
max.accordingtoDIN
45670,characteristicalvaluesBormax(X,Y)accordingtoAPI670.
Thecharacteristicalvalue,outputandcheckedonlimitexceedings,isformedbythe
greatestofthetwomeasuringvaluesofchannels1or2inXandY-measuringdirection.
Thecharacteristicalvalueisoutputasimpressedcurrentofeither0...20or4...20mA.
Additionally,thereisananalogoutput,providingastandardizedd.c.outputNGLof0...+10V
proportionaltothestaticdistancebetweensensorandmeasuringtarget.
For checkingthesignals on limitexceedings,therearetwoalarm channels, each of them
withonewarning(Alert)andonedangerlevel.Inthedualchanneloperatingmodethechar-
acteristicalvalueissupervisedbytherelevantalarmchannel.Thelimitvaluesforprealarm
(ALERT)andmainalarm(DANGER)maybeadjustedseparately.
Withmeasuringmodesmax.valueSmaxandvibrationamplitudeS
pp
maxresp.max(X,Y)the
characteristicalvalue,calculatedfrombothchannels,issupervisedbythealarmchannelsof
bothmeasuringchannels-butwithonlyone"Alert"andone"Danger"limit.
During configuration the alarm outputs can be activated and the limit values defined. The
alarmstatusisshownbytworedLEDsonthefrontofthemonitor.Themoduleprovidesfour
relaydriveroutputswhichcanalternativelybeswitchedtonormallyclosedornormallyopen
operationmode.
Input"Alarmblocking"permitsblockingofthealarmoutputsbymeansofanexternalsignal.
Duringconfiguration,responsedelayandalarmblockingatfaultsituationscanbedefined.
TwogreenLEDsonthefrontandtworelaydriveroutputsindicatethestatusofchanneland
monitor supervision. In the normal state, i.e., if neither the channel nor the module super-
vision have detected an error, if the channel measurement is in the settled state and the
alarmsarenotblocked,message"ChannelClear=OK"willbeindicated.

epro MMS 6000 Specifications

General

Brand	epro
Model	MMS 6000
Category	Monitor
Language	English