MULTICAL® 803
50
Kamstrup A/S · Technical description · 5512-2360_A1_
GB
_02.2019
Below, the requirements for pulse duration and pulse frequency for meters connected to the pulse inputs are
specified:
Pulse outputs C and D
Out-C: 16-17 and Out-D: 18-19 via
module
Pulse duration:
Pulse value
When pulse outputs are used for, for
example, remote count of energy
and volume with the same
resolution as the display
1
Heat meter:
Out-C = CE+
Out-D = CV
Cooling meter:
Out-C = CE-
Out-D = CV
Heat/cooling meter:
Out-C = CE+
Out-D = CE-
Selectable:
10 ms, 32 ms or
100 ms
Pulse value
When pulse outputs are used as
Pulse Transmitter/Divider, e.g. for
regulatory purposes
Transmitter:
Out-C = V1
Out-D = V2
4 ms
Divider:
Out-C = V1/4
22 ms
,Communication module
HC-003-11 (Before 2017-05)
HC-003-21 & -31 (Before 2018-04)
HC-003-11 (After 2017-05)
HC-003-21 & -31 (After 2018-04)
Pulse output type
Open collector (OB)
Opto FET
External voltage
5…30 VDC
1…48 VDC/AC
Current
< 10 mA
< 50 mA
Residual stress
U
CE
≈ 1 V at 10 mA
R
ON
≤ 40
Ω
Electrical isolation
2 kV
2 kV
Max cable length
25 m
25 m
1
At a high resolution, the pulse outputs are down-divided into 1:10 when selecting 32 ms and 100 ms.