ProfiMessage
l Theapplication“Bearingdiagnosticsusingenvelopespectrum”(using
digitaldemodulationfilter)limits(dependingonboardversion)analogue
inputsto1...4.Detailsonthisapplicationareavailableinthe"Applications
usingAMDT"manual.
Rules concerning phase measurement
l Beawareofthefollowingwhenusingphasestoevaluatecharacteristicval-
uesinrotatingmachinery:Phasemeasurementcanbeusedonlyforlowrota-
tionspeeds(typ.<500rpm).Acquisitionof1to10signalperiodswithina
timesignalblockisnormal.ReferheretothesectionsonMainvibration
phaseandPhaseof1X/2X/3X/xXvibration.
9.1.2 Connectorpanel(industrial)
Information on connections
RefertoTechnicalspecifications.
Analogue inputs
Voltagesignalsfromamax.of±10VinafrequencyrangeDC…8000Hzcanbe
connected.Inputresistanceis0.8MΩ.Currentsignalsfrom0/4…20mAarepro-
cessedusingterminatingresistors(tobewiredbetweenthe'+'and'-'con-
nectors).
DCcouplingisfactoryset.SwitchingispossibleusingaDIPswitchwithinthemod-
ule.
Thepermittedtotalvoltagedifferencebetweenchannelsis100VDC.
Analogue outputs
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Delphin Technology AG
Dezember 2015
ProfiMessage Manual