Kamstrup MULTICAL 603 - Page 40

MULTICAL®603
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40
KamstrupA/S∙Technicaldescription∙5512‐2029
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A1_GB
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06.2017
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Belowpleasefindspecificationofrequirementstopulsedurat ionandpulsefrequencyformetersconnectedtopulse
inputs:
PulseinputsAandB
In‐A65‐66andIn‐B:67‐68viamodule 
Electronicswitch Reedswitch
Pulseinput
680kpull‐upto3.6V 680kpull‐upto3.6V
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PulseON
0.4Vfor30ms 0.4Vfor500ms
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PulseOFF
2.5Vfor30ms 2.5V
for500ms
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Pulsefrequency
3Hz 1Hz
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Electricalisolation No No
Maxcablelength 25m 25m 
Requirements to external
Leakagecurrentatfunctionopen1A
Updateofdisplay Followstheselectedintegrationinterval(from2to64s)
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Thepulse
inputsareplacedonthemodulewiththefollowingterminalnumbering:
  Connectedmeter MULTICAL®603
InputA1/A2:
Terminals
65‐66
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InputB1/B2:
Terminals
67‐68
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