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Dahua Technology IVSS User Manual

Dahua Technology IVSS
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User's Manual
37
Figure 3-13 NC alarm input connection
3.4.1.4 Alarm Output
The alarm output is on-off output (Normally Open Contact), and there should be external power
supply to alarm output device.
RS-485 A line and B line: connecting the A line and B line on the PTZ decoder.
To avoid overload from damaging the Device, see the parameters about relay.
Table 3-3 Relay parameters of alarm output port
Model HRB1-S-DC5V
Contact material Silver
Rated value (resistance load)
Rated power
capacity
24 VDC 2A, 125 VAC 2A
Maximum
power
62.5 VA/30 W
Maximum
power
voltage
125 VAC, 60 VDC
Maximum
power
current
2 A
Insulation
Between
contacts
1000 VAC 1 minute
Between
contact and
loop
400 VAC 1 minute
Insulation voltage 1,000 MΩ (500 VDC)
Turn-on Time < 5 ms
Turn-off Time < 5 ms
Life Mechanical 300 times per minute

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Dahua Technology IVSS Specifications

General IconGeneral
BrandDahua Technology
ModelIVSS
CategoryDVR
LanguageEnglish

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