TECHNICAL DESCRIPTION
ULTRAFLOW® 54 DN150-300
Kamstrup A/S
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Technical description
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5512-876_M1_GB_12.2020
41
Galvanically separated output module (Y=3). ULTRAFLOW® is powered by the built-in supply (Z=2, 7 or 8).
Cable length to ULTRAFLOW® depends on calculator. When connected to MULTICAL® maximum cable length is 10 metres.
To calculator:
Type:
Open collector.
Connection:
Three-wire via the built-in 39.2 k
Ω
pull-up.
Module Y=3
OC and OD
Max input voltage
6 V
Max input current
0.1 mA
ON condition
U ≤ 0.3 V @ 0.1 mA
OFF condition
R ≥ 6 MΩ
Table 14
Concerning meter factor and pulse durations, see
paragraph 4.2.3
Figure 36. Block diagram of galvanically separated output module (Y=3) in ULTRAFLOW® 54.
Figure 37. Galvanically separated output module (Y=3).
Note the PCB number 5550-1219 in the encircled area.
