Dahua Mobile DVR Series - Alarm Output Port

20
Figure 3-9
3.4.3 Alarm Output Port
 Alarm output is on-off signal alarm output (NO). Please use additional power supplying for the
peripheral device.
 To avoid overloading, please read the following relay parameters sheet carefully.
Relay Specification
Model: HFD23
Contact
Parameter
Contact mode





1Z
Contact resistance
100mΩ(0.1A 6VDC)
Contact material
AgNi+gold-plating
Contact
Load(Resistance)
AC 125V 0.5A /DC 30V 1A
Max switch voltage
AC 125V / DC 60V
Max switch current
2A
Max switch power
62.5VA/30W
Min allowed load
1mA 5V
Mechanical durability
1x10
7
(300/min)
Electric durability
1x10
5
(30/min)
Performance
Parameter
Insulation resistance
1000MΩ(500VDC)
Media
pressure
Between
loop and
contract
AC 1000V 1min
Between
separated
contact
AC 400V 1min
Operation time (Rated
voltage)）
≤5ms
Release time (Rated
voltage)
≤5ms