16 Technicalspecifications
Page 3
16.2.Multiplexedinputs
16.2.1.Generalcharacteristics
Numberofinputspermodule: 12
Inputstypedifferentialnonisolated
Impedance:
Impedance>10 Mforranges 2V
Impedance=2 Mforanyotherrange
Maximumpossiblevoltages:
Betweenameasurechannelandtheground:48VDC
Betweenthe2terminalsofachannel:48VDC
Maximalcommonmodevoltages:
3Vforranges 2V
50Vforanyotherrange
Typeofmeasurements:
Voltage,current(byexternal shunt)
ThermocoupleJ,K, T,S,B,N,E,W5
PT1002,3or4wires
16.2.2.Voltagerecording
Maximumrange 50V
Minimumrange 1mV
Offset Adjustmentofthecentrebysoftware
Accuracy 0.1%ofthefullscale, 10 V, 0.1%oftheoffset
Offsetdrift 100ppm/ C 1 V/ C
16.2.3.RMSrecording
RMScalculationbysoftware
Resolution 200 s
Maximumfrequency 500Hz
Crestfactor 2.2
Accuracy 1%(wave signal)
Responsetime typical.100ms