ULTRAFLOW®54(H)/(J)
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KamstrupA/S∙TechnicalDescription∙5512‐1554_J1_GB_04.2018
8.6.2 Galvanic separated output module (Y=3).
Pulse Transmitter/Pulse Divider is powered by the built-in supply module (Z=2, 7 or 8).
Cable length to Pulse Transmitter/Pulse Divider depends on calculator.
To calculator:
Type: Open collector.
Connection: Three-wire connection is possible via the built-in 39.2 k 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 16
Concerning meter factors and pulse duration see paragraph 4.3.4.
Figure 41. Block diagram for galvanic separated output module (Y=3).
Figure 42. Galvanic separated output module (Y=3). Note the PCB number 5550-1219
in the encircled area.