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ULTRAFLOW® 54/34
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Kamstrup A/S · Technical description · 5512-2464_A1_GB_08.2019
3
Flow sensor with active pulse output, powered by Pulse Tester
This connection is used together with either Kamstrup's ULTRAFLOW
or Kamstrup's electronic pick-up for vane
wheel meters.
Connection (M1)
9: Red (9A)
10: Yellow (10A)
11: Blue (11A)
Connection (M2)
9: Red (9A)
69: Yellow (10A)
11: Blue (11A)
Table 33
4
Flow sensor with active output and integral supply
Flow sensors with active signal output are connected as shown in
. The signal level must be between 3.5
and 5 V. Higher signal levels can be connected via a passive voltage divider, e.g. 47 k
Ω
/10 k
Ω
at signal level 24 V.
Pulse outputs (M1/M2)
Pulse duration
> 4 ms
Duration of pause
Depending on the actual pulse frequency
Two-wire connection:
Voltage
24 V
Load
1.5 kΩ
Three-wire connection:
Voltage
5...30 V
Load
5 kΩ
Figure 63
The outputs are galvanically separated and protected against overvoltage and reversed polarity.
Max counter capacity before overflow is 9,999,999 counts.