User Documentation

Product Installation / Operation, ACT20X-SDI-HDO (Solenoid/Alarm Driver)
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Illustration 7-9: Applications
NPN Input (NPN and mechanical switch)
Trigger level (low) ≤ 2 V DC
Trigger level (high) ≥ 4 V DC
Max. external voltage 28 V DC
Input impedance 3.5 kΩ
PNP Input
Trigger level (low) ≤ 8 V DC
Trigger level (high) ≥ 10 V DC
Max. external voltage 28 V DC
Input impedance 3.5 kΩ