Follow the circuit diagram
Please refer to the wiring and circuit diagrams for elec-
trical connection.
2.
Connect the flow sensor with the plug to the system control
cabinet.
ð
The flow sensor has been electrically connected.
n
Optoisolated output
n
Maximum switching voltage: 40 V
DC
n
Maximum switching current: 100 mA
n
Maximum saturation voltage between collector and emitter at
100 mA: 1.2 V
n
Maximum switch frequency (load of the collector or emitter, RL
= 470, V
OUT
= 24V
DC
): 1250 Hz
n
Maximum reverse current that can be sustained at the input
during and in case of accidental polarity reversal (VEC): 100
mA
n
Isolation of other secondary circuits: 500 V
DC
n
Maximum load at 30 V: 500 Ω
n
Update frequency corresponds to the sampling frequency
n
Protected against permanent overvoltages up to 30 V
DC
Connection diagrams
Fig. 2: On/Off outputs
Fig. 3: Output 4
Assembly and installation
Electrical connection
05.03.2020
Flow sensor PF55S
40
