Dahua DVR0X04AH-VD-E, Руководство пользователя

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20
G,
“ ”
GND
3.8.2 Alarm Input Port

Normal open or Normal close type.

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 ATM DVR and the ground of the alarm detector.

Please connect the NC port of the alarm sensor to the ATM DVR alarm input(ALARM)

Use the same ground with that of ATM DVR if you use external power to the alarm device.

Use the contro12V power to reset the smoke sensor remotely.
Figure 3-2
3.8.3 Alarm Output Port

Provide external power to external alarm device.

To avoid overloading, please read the following relay parameters sheet carefully.

For contro12V, it can be used to provide power to devices such a s reset smoke sensor.

RS485 A/B cable is for the A/B cable of the PTZ decoder.
Relay Specification
Model HFD3
Contact
Parameters
Contact Mode 1Z
Connection Resistance
100mΩ （
0.1A 6VDC
）
Contact Materials AgNi+ gold-plating
Contact Load
(Resistance)
0.5A 125VAC / 1A 30VDC
Max Switch Voltage 125VAC / 60VDC
Max Switch Current 2A
Max Switch Power 62.5VA / 30W
Min Tolerance Load 1mA 5V
Mechanical Durability 1×10
7
(300 times/min)
Electrical Durability 1×10
5
(30 times/min)
Performance
Parameters
Insulation Resistance
1000MΩ(500VDC)
Media
Pressu
rization Between Loop
and The
Contact
1000VAC 1min