3 Initialisation
Page3.5

3.4.CONNECTIONTOTHEMEASURENETWORK

3.4.1.Measureofvoltage
Isolatedinputmodule: themeasureofvoltageismadebetweentheredandblackterminalsofthe
inputsthroughcableswithsecuritymale single-pinplugs(accordingCEI1010).
Non-isolateddifferentialinputmodule:themeasureofvoltageismadebetweenthe"+"and"-"
terminalsoftheinputsthroughcablesonthescrew-typeterminalblock.
3.4.2.Measureoftemperature withathermocouple
Isolatedinputmodule: youhavetomeasurethevoltagegeneratedbythethermocoupleeffect
betweentheredandblackterminalsoftheconsideredinput.Toensurearightmeasurement,
connectdirectlybothendsofthethermocouplecableonclamping-type single-pinplugs.Connect
thetwosingle-pinplugsontheselectedinputinrespectwiththepolarity.
Donotusemale single-pinplugsforwelding:thethermocoupleeffectwouldbe
alteredbytheweld
Non-isolateddifferentialinputmodule:youhavetomeasurethevoltagegeneratedbythe
thermocoupleeffectbetweenthe"+"and"-"terminalsthroughcablesonthescrew-typeterminal
block.
Toensurearightmeasurementconnectdirectlybothendsofthethermocouplecableontheselected
inputinrespectwiththepolarity.
3.4.3.Measureoftemperature withaPT100
Availableonlywithanon-isolateddifferentialinputmodule.
ThePT100probemustbeconnectedtotheterminals I+ and I- (1mAcurrentgenerator
output).
ThevoltageproducedbythePT100mustbemeasuredwiththeteminals + and - withoneof
thefollowingscheme:2wires,3wiresor4wires. The4wiresmountingmakethemeasurement
independentoftheresistorvalueoftheline.
2wireswiring:
3wireswiring:
PT100
PT100