MULTICAL® 803
14
Kamstrup A/S · Technical description · 5512-2360_A1_
GB
_02.2019
Pulse frequency
<
128 Hz
<
1 Hz
<
8 Hz
<
128 Hz
Integration frequency
<
1 Hz
<
1 Hz
<
1 Hz
<
1 Hz
Electrical isolation
No
No
No
2 kV
Max cable length
10 m
10 m
10 m
100 m
Max cable length with
Cable Extender Box, Type
66-99-036
30 m
30 m
30 m
-
Pulse inputs A and B
In-A 65-66 and In-B: 67-68 via modules
in slots M1 and M2
Electronic switch
Reed switch
Pulse input
680 k
Ω
pull-up to 3.6 V 680 k
Ω
pull-up to 3.6 V
Pulse ON
<
0.4 V i
>
30 ms
<
0.4 V i
>
500 ms
Pulse OFF
>
2.5 V i
>
30 ms
>
2.5 V i
>
500 ms
Pulse frequency
<
3 Hz
<
1 Hz
Electrical isolation
No
No
Max cable length
25 m
25 m
Requirements to external
contact
Leak current at open contact
<
1
µ
A
Update of display
Follow the selected integration interval (from 2 to 64 s)
Pulse outputs C and D
Out-C: 16-17 and Out-D: 18-19 via
modules in slots M1 and M2
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. See paragraph
10 about PP codes.