ULTRAFLOW® 54 DN15-125
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Kamstrup A/S · Technical description · 5512-2464_D1_GB_09.2021
7.7
Pulse output of Pulse Transmitter and Pulse Divider
7.7.1
Galvanically separated output module (Y=2)
Pulse Transmitter/Pulse Divider is powered by the built-in supply module (Z=7 or 8).
The cable length to Pulse Transmitter/Pulse Divider depends on the calculator.
To calculator:
Type:
Open collector.
Connection:
Can be connected as two-wire or three-wire via the built-
in 56.2 kΩ pull
-up.
Module Y=2
OC and OD
(OB) Kam
Max input voltage
6 V
30 V
Max input current
0.1 mA
12 mA
ON condition
U ≤ 0.3 V @ 0.1 mA
U
CE
≤ 2.5 V @ 12 mA
OFF condition
R ≥ 6 MΩ
R ≥ 6 MΩ
Table 26
Concerning meter factors and pulse durations, see paragraph
4.3.4 Pulse Divider configuration CCC-DD-E-MMM
Figure 51. Block diagram for galvanically separated output module (Y=2).
Figure 52. Galvanically separated output module (Y=2).
Note the PCB number 5550-1062 in the encircled area.