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English (US)
Alarm output signal
An alarm output signal is available.
Output transistor status indicates pump operation.
Output signal is activated if:
• Stop (input signal 0.5 V - 2 V)
• Stop (because of an alarm) (input signal 2 V - 10 V)
Output signal is not activated if:
• Pump fault.
• Running (input voltage < 0.5 V) (interpreted as cable break).
Rating Value
Rated input voltage - high level U
IH
4-24 V
Rated input voltage - low level U
IL
< 1 V
High-level input current I
IH
< 10 mA
PWM frequency output, open collector f 75 Hz ± 5 %
Accuracy of output signal regarding power consumption - ± 2 % of PWM signal
Collector-emitter breakdown voltage on output transistor U
C
< 70 V
Collector current on output transistor I
C
< 50 mA
Max. power dissipation on output resistor P
R
125 mW
Zener diode working voltage U
Z
36 V
Max. power dissipation in Zener diode P
Z
300 mW
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