Alarm-In Connection - Ganz ZR-DHC830NP Instruction Manual

1.4 Alarm - in connection
1.4 Alarm - in connection
Input alarm-
in no. 1
When an event occurs, the sensor device should open or close a mechanical connection to
form a circuit to inform the DVR that it has been activated. The mechanical switch can
connect with either a GND or an alarm input. Each alarm input terminal can be set up as NC
(Normal Close) or NO (Normal Open) in the system configuration.
Sensor connection method
1. Connect the signal line of the sensor device with the alarm input terminal number.
2. Connect the other signal line with the GND.
GND
Input alarm-
in no. 9
GND
16
16