Siemens SITRANS FC720 Operating Instructions Manual page 78

FC7x0
Transmitter
Terms
Internal power supply
Maximum pulse rate
Frequency range
SITRANS FC
24 V
0 V
Fig. 34: Active pulse output connection P/Sout
①
②
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. 35: Active pulse output P/Sout connection with electromechanical counter
①
②
Active pulse output
P/Sout with internal
Internal power supply
pull-up resistor
Internal pull-up resistor
Maximum pulse rate
Frequency range
78 / 180
P/Sout+
P/Sout-
Load resistance
Electronic counter
P/Sout+
1
P/Sout-
Protective diode
Electromechanical counter
A5E52748387-AA, 2023/09
Value
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
Value
24 V ±20 %
DC
2.2 kΩ
10000 pulses/s
0 – 12.5 kHz
Electrical interfaces