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*AnalogInputs(DC0…10V)
*AnaloginputscurrentInputs(0…20mA)
Theabovefigureshowshowtomakeafour-wirecurrentmeasurement.
Connecttwo-wiresensortoELC-E-AI(I).
Two-wiresensorwiringisasfollows:
1.Connecttheoutputofthesensortothe “I” terminal(0…20mAcurrentmeasurement)ofELC-E-AI(I)
module.
2.Connecttheattachedconnectorofthesensortothe+24V(L+)ofpowersupply.
3.ConnectthecurrentoutputterminalMtothecorrespondingMterminals(M1,M2,M3)ofELC-E-AI(I).
ELC-E-PT100
Itcanbeconnectedwithonetwo-wireorthree-wireresistance-typethermocouple.
Whentwo-wiretechnologyapplied,theterminals “M1+andIC1” (thisrulealsoshallbeappliedto” M2+
andIC2”, “M3+andIC3” )wouldbeshortconnected.Suchconnectioncannotcompensate
error/tolerancecausedbytheresistanceinmeasurementloop.Themeasurementerrorof1Ωimpedance
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