Lupus Electronics XT 1 Plus, Руководство пользователя

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o
GND:
This is the input for the second wire of your potential fee alarm sensor. The other
wire is connected to IN1 or IN2. Thus, if you are using both sensor inputs, two
wires are connected to GND. If the potential free alarm sensor is triggered, and
the circuit is closed, the status of the sensor changes accordingly.

Inputs
o
COM:
If you want to use the potential free output of the alarm panel, you need to
connect one wire to this COM output.
o
N.O.:
The second wire of the output is NO (normally open) and is connected to the
device you want to control. The alarm panel does not feature a NC (normally
closed) output.
Please note:
If you do not require these inputs and output, you can disable them in the menu “Alarm
system”
 “Settings”  “General settings”  “Internal sensors”. The inputs and output
are removed from the sensor list afterwards.