Dahua Technology XVR4 Series, User Manual

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Connecting Basics 35
 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.
Figure 4-4
4.3.3 Alarm Output

Provide external power to external alarm device.

To avoid overloading, 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.
Model HFD23/005-1ZS HRB1-S-DC5V
Material of the touch AgNi+ gold-plating AuAg10/AgNi10/CuNi30
Rating
(Resistance
Load)
Rated switch
capacity
30V DC 1A/125V AC 0.5A 24V DC 1A/125V AC 2A
Maximum switch
power
62.5VA/30W 250VA/48W
Maximum switch
voltage
125V AC/60V DC 125V AC/60V DC
Maximum switch
currency
2A 2A
Insulation
Between touches 400VAC 1 minute 500VAC 1 minute
Between touch and
winding
1000VAC 1 minute 1000VAC 1 minute
Turn-on Time 5ms maximum 5ms maximum
Turn-off Time 5ms maximum 5ms maximum
Longevity
Mechanical
1×10
7
times
(300 times/MIN)
5×10
6
times
(300 times/MIN)
Electrical
1×10
5
times
(30 times/MIN)
2.5×10
4
times
(30 times/MIN)
Working Temperature -30
℃—
+70
℃
-40
℃—
+70
℃