TECHNICAL DESCRIPTION
ULTRAFLOW® 54 DN150-300
Kamstrup A/S
·
Technical description
·
5512-876_M1_GB_12.2020
52
3
Flow sensor with active pulse output, powered by the 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 18
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
V and 5 V. Higher signal levels can be connected via a passive voltage divider, e.g. of 47 k
Ω
/10 k
Ω
at a signal level
of 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 k
Ω
Three wire connection:
Voltage
5...30 V
Load
5 k
Ω
Figure 46
The outputs are galvanically separated and protected against overvoltage and reversed polarity.
Max. counter capacity before overflow is 9,999,999 counts.
