Alarm Output; Alarm Output Relay Parameters - Dahua Smart 1U User Manual

Please parallel connect the Ground of the DVR and the ground of the alarm detector.
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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.
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4.3.3 Alarm Output

Provide external power to external alarm device.

To avoid overloading, please read the following relay parameters table carefully.

RS485 A/B cable is for the A/B cable of the PTZ decoder.
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4.3.4 Alarm Output Relay Parameters

Refer to the actual product for relay model information.
Model
Material of the touch
Rated switch
capacity
Maximum switch
Rating
power
(Resistance
Maximum switch
Load)
voltage
Maximum switch
currency
Between touches
Insulation Between touch and
winding
Turn-on Time
Turn-off Time
Mechanical
Longevity
Electrical
Working Temperature
HFD23/005-1ZS
AgNi+ gold-plating
30V DC 1A/125V AC 0.5A
62.5VA/30W
125V AC/60V DC
2A
400VAC 1 minute
1000VAC 1 minute
5ms max
5ms max
1×10 7 times
(300 times/MIN)
1×10 5 times
(30 times/MIN)
-30℃–+70℃
HRB1-S-DC5V
AuAg10/AgNi10/CuNi30
24V DC 1A/125V AC 2A
250VA/48W
125V AC/60V DC
2A
500VAC 1 minute
1000VAC 1 minute
5ms max
5ms max
5×10 6 times
(300 times/MIN)
2.5×10 4 times
(30 times/MIN)
-40℃–+70℃
Connecting Basics 24