Dahua Technology DHI-XVR5108HS-4K, User Manual

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User's Manual
34

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 DVR and the ground of the alarm detector.

Please connect the NC port of the alarm sensor to the DVR alarm input (ALARM).

Use the same ground with that of DVR if you use external power to the alarm device.
Alarm input
4.3.3 Alarm Output

Provide external power to external alarm device.

To avoid overloading, please read the following relay parameters table carefully.

RS-485 A/B cable is for the A/B cable of the PTZ decoder.
4.3.4 Alarm Output Relay Parameters
Refer to the actual product for relay model information.
Table 4-2 Alarm output relay parameters
Model HFD23/005-1ZS HRB1-S-DC5V
Material of the touch AgNi+ gold-plating AuAg10/AgNi10/CuNi30
Rating
(Resistance
Load)
Rated switch capacity 30 VDC 1 A/125 VAC 0.5 A 24 VDC 1 A/125 VAC 2 A
Maximum switch
power
62.5 VA/30 W 250 VA/48 W
Maximum switch
voltage
125 VAC/60 VDC 125 VAC/60 VDC
Maximum switch
currency
2 A 2 A
Insulation
Between touches 400 VAC 1 minute 500 VAC 1 minute
Between touch and
winding
1000 VAC 1 minute 1000 VAC 1 minute
Turn-on Time 5 ms max 5 ms max
Turn-off Time 5 ms max 5 ms max
Longevity Mechanical 1×10
7
times 5×10
6
times