Delphin ProfiMessage User Manual

ProfiMessage
Connection
Indicateherehowthesensorhasbeenconnected(thediagramdisplaystheselec-
tedwiring):
2 Wire:Thesensorisconnectedwithonlytwowires.Thisisrecommendedonly
forveryshortlinesandhighimpedancesensorsotherwisetheresultingvoltage
dropacrossthecircuitscanleadtomeasurementerrors.Alternatively,asensor
canbeusedwiththreeconnections,wheremeasurementtakesplacewithoutline
compensation.
4 Wire:Therecommendedconnectionmethodforlowimpedancesensorsand/or
longersupplylines.Thelossoffeedlinesdoesnotmatterbecausethedevicehasa
high-ohminputresistance(novoltagedroponthelinefeed)andthevoltagedrop
(themeasurementvalue)canbemeasureddirectlyatthesensor.
4.6.3.3 Sensortypecurrent
Mode
unipolar:Measuringonlypositivecurrents.
bipolar:Measuringpositiveand/ornegativecurrents.
Measuring range
Selectameasuringrangethatisequaltoorgreaterthanthecurrentattheloadres-
istortopreventA/Dconverteroverload.Thechannelreceivesthestatus‘Meas-
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Delphin Technology AG
Dezember 2015
ProfiMessage Manual

Delphin ProfiMessage Specifications

General

Brand	Delphin
Model	ProfiMessage
Category	Test Equipment
Language	English