MULTICAL® 803
Kamstrup A/S · Technical description · 5512-2360_A1_GB_02.2019
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Internal supply voltage
3.6 VDC ± 0.1 VDC
Backup battery
Replacement interval
3.6 VDC, 2xA lithium
10 years
Supply, 230 V
Type 803-xxxxxxx-A/-C
230 VAC +15/-30 %, 50/60 Hz
Supply, 24 V
Type 803-xxxxxxx-b
24 VAC ±50 %, 50/60 Hz or 24 VDC +75/-25 %
Supply, 24 V
Type 803-xxxxxxx-d
24 VAC ±50 %, 50/60 Hz or 24 VDC +75/-25 %
Note: The internal 24 VDC auxiliary supply for, for example, analog outputs requires that
the supply is > 15 VAC or > 20 VDC
Insulation voltage
3.75 kV
Power consumption
<
1 W for type 803-0000000-A and -b
<
7 W for type 803-0000000-C and -d
EMC data
Fulfils EN 1434 class A and C (MID class E1 and E2)
Temperature measurement
t1
Inlet
t2
Outlet
t3
Control
t4
Extra
∆Θ
(t1-t2)
Heat
measurement
∆Θ
(t2-t1)
Cooling
measurement
t5
Preset
for A1 and A2
Measuring
range
0.00…185.00
°
C
(t1 and t2: Approved for 2.00…180.00
°
C)
Offset adjustment
± 0.99 K joint zero point adjustment for t1, t2, t3 and t4.
See paragraph 7.3
Note: The offset adjustment is only active on measured temperatures. If, for
example, t3 has been selected for a preset value, the offset adjustment will not
influence the preset value.
Max cable lengths
Pt100, 2-wire
Pt500, 2-wire
Max ø8 mm
cable
2 x 0.25 mm
2
: 2.5 m
2 x 0.50 mm
2
: 5 m
2 x 1.00 mm
2
: 10 m
2 x 0.25 mm
2
: 10 m
Pt100, 4-wire
Pt500, 4-wire
4 x 0.25 mm
2
: 100 m
4 x 0.25 mm
2
: 100 m
Flow measurement V1
and V2
-ULTRAFLOW
V1: 9-10-11 and V2: 9-69-
11
Reed switches
V1: 10-11 and V2: 69-11
FET switches
V1: 10-11 and V2: 69-11
24 V active pulses
V1: 10B-11B and V2: 69B-79B
CCC code
1xx-2xx-4xx-5xx-8xx
0xx
9xx
2xx and 9xx
EN 1434 pulse class
IC
IB
IB
(IA)
Pulse input
680 k
Ω
pull-up to 3.6 V
680 k
Ω
pull-up to 3.6 V 680 k
Ω
pull-up to 3.6 V
12 mA at 24 V
Pulse ON
<
0.4 V i
>
1 ms
<
0.4 V i
>
300 ms
<
0.4 V i
>
30 ms
<
4 V i
>
3 ms
Pulse OFF
>
2.5 V i
>
4 ms
>
2.5 V i
>
100 ms
>
2.5 V i
>
70 ms
>
12 V i
>
4 ms