Alarm Input And Output Port; Alarm Output Port - Dahua 6064 SERIES User Manual

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1～4
NO1 C1， NO2 C2， NO3 C3， NO4
C4

2.3.2 Alarm input and output port

Please refer to the following sheet for more information.

Grounding alarm inputs. Normal open or Normal close type)

Please parallel connect COM end and GND end of the alarm detector (Provide external power to the
alarm detector).

Please parallel connect the Ground of the NVR and the ground of the alarm detector.

Please connect the NC port of the alarm sensor to the NVR alarm input(ALARM)

Use the same ground with that of NVR if you use external power to the alarm device.

2.3.3 Alarm Output Port


Provide power to peripheral alarm device.

To avoid overloading, please read the following relay parameters sheet carefully.

RS485 A/B cable is for the A/B cable of the PTZ decoder.
Figure 2-15
Note
ALARM 1 to ALARM 4. The alarm becomes active in low
voltage.
Four groups of normal open activation output (on/off
button)
GND
Figure 2-16
20