Alarm Output Port; Relay Specification - Dahua XVR User Manual

 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.

2.7.3 Alarm Output Port

Provide external power to external 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.

T+,T-,R+,R- are four-wire double duplex RS485 port.
T+ T-: output wire
R+ R-: input wire
Model
Material of the touch
Rated switch
capacity
Maximum
switch power
Rating
(Resistance Maximum
Load） switch voltage
Maximum
switch
currency
Between
touches
Insulation
Between touch
and winding
Turn-on Time
Turn-off Time
Longevity
Mechanical
Electrical
Figure 2-2

Relay Specification

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
7
1×10 times （
times/MIN）
5
1×10 times
（
times/MIN）
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
6
300 5×10 times
times/MIN）
4
30 2.5×10 times
times/MIN）
（ 300
30
（
16