Alarm Input Port; Alarm Output Port - Dahua NVR6000 Series User Manual

NO1 C1，NO2 C2，NO3 C3，
NO4 C4

2.3.2 Alarm Input Port

Please refer to the following sheet for more information.

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.
JRC-27F
Model:
Silver
Material of the
touch
Rating
Rated switch capacity
（Resistance
Maximum switch power
Load）
Maximum switch voltage
Maximum switch currency
Insulation Between touches with same
polarity
Between touches with different
polarity
Between touch and winding
Between touches with same
Surge voltage
polarity
3ms max
Length of open
time
Four groups of normal open activation output (on/off
button)
GND
Figure 2-12
Relay Specification
30VDC 2A, 125VAC 1A
125VA 160W
250VAC, 220VDC
1A
1000VAC 1minute
1000VAC 1minute
1000VAC 1minute
1500V (10×160us)
13