Abus AZWG10020 Installation And Operating Instructions Manual page 71

If you are using transistor outputs, run the wiring accordingly.
All inputs must be triggered with the same polarity. The polarity
settings are adjusted under "System Options  Trigger Polarity".
Positive triggering
NO wiring
NC wiring
Negative triggering
NO wiring
NC wiring
Tamper
These connector clamps are normally connected to the tamper zone or
tamper line of an alarm control panel. When the housing is opened, the NC
contact of the device is also opened, interrupting the tamper line. This trig-
gers a tamper alarm on the alarm control panel.
16 UK