Siemens SITRANS FC720 Operating Instructions Manual page 116

Coriolis c
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FC7x0
Wiring
Connection of an electronic counter
Active pulse output
P/Sout
Maximum voltage and correct polarity must be observed for wiring.
Terms
Load resistance
Internal power supply
Maximum pulse rate
Frequency range
SITRANS FC
24 V
0 V
Fig. 73: Active pulse output connection P/Sout
Connection of an electromechanical counter
Terms
Maximum current
Average current
Internal power supply
Maximum pulse rate
Pulse width
SITRANS FC
24 V
0 V
Fig. 74: Active pulse output P/Sout connection with electromechanical counter
116 / 180
P/Sout+
P/Sout-
Load resistance
Electronic counter
P/Sout+
1
P/Sout-
Protective diode
Electromechanical counter
A5E52748387-AA, 2023/09
Value
> 1 kΩ
24 V
±20 %
DC
10000 pulses/s
0 – 12.5 kHz
1
2
Value
150 mA
≤ 30 mA
24 V
±20 %
DC
2 pulses/s
20, 33, 50, 100 ms
2
Transmitter

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