MULTICAL®603
KamstrupA/S∙Technicaldescription∙5512‐2029_A1_GB_06.2017
15
PulseinputsAandB
In‐A65‐66andIn‐B:67‐68viamodule
Electronicswitch Reedswitch
Pulseinput
680kpull‐upto3.6V 680kpull‐upto3.6V
PulseON
0.4Vfor30ms 0.4Vfor500ms
PulseOFF
2.5Vfor30ms 2.5V
for500ms
Pulsefrequency
3Hz 1Hz
Electricalisolation No No
Maxcablelength 25m 25m
Requirements to external
Leakagecurrentatfunctionopen1A
Updateofdisplay Followstheselectedintegrationinterval(from2to64s)
Pulseoutputs
CandD
Out‐C:16‐17andOut‐D:18‐19via
module
Pulseduration:
Pulsevalue
Whenpulseoutputsareusedfor
e.g.remotecountingofenergyand
volumewiththesameresolutionas
thedisplay
1
Heatmeter: Out‐C=CE+
Out‐D=CV
Coolingmeter: Out‐C=CE‐
Out‐D=CV
Heat/coolingmeter: Out‐C=CE+
Out‐D=CE‐
Selectable:
10ms,32msor
100ms
Pulsevalue
Whenpulseoutputsareusedas
pulsetransmitter/dividerfore.g.
regulationpurposes
Transmitter: Out‐C=V1
Out‐D=V2
4ms
Divider: Out‐C=V1/4
22ms
Communicationmodule TypeHC‐003‐21 TypeHC‐003‐11 TypeHC‐003‐11
Before2017‐05‐01 After2017‐05‐01
Pulseoutputtype Opencollector(OB) Opencollector(OB) OptoFET
Externalvoltage 5…30VDC 5…30VDC 5…48VDC/AC
Current 1…10mA 1…10mA 1…50mA
Residualstress
U
CE
≈1Vat10mA U
CE
≈1Vat10mA
R
ON
≤40
Electricalisolation 2kV 2kV 2kV
Maxcablelength 25m 25m 25m
1
Athighresolution,thepulseoutputswillbereducedby1:10whenselecting32msand100ms.Seeparagraph3.2.10
aboutPPcodes.