19
CIF series
:
·
16 channel grounding alarm inputs. (Both Normally open and Normally closed type)
Please short connection between
COM
end and
GND
end of the alarm detector (the
power of the alarm detector must be provided by external power).
·
Parallel connect the Ground of the DVR and the ground of the alarm detector.
·
Connect the NC port of the alarm sensor to the DVR alarm input(ALARM)
·
If you need to reset the alarm remotely, you have to supply the controllable 12 V
power of the DVR to the alarm detector, such as the smoke detector.
·
Connect the ground of the external power supply with the ground of DVR.
2.4.2 Instructions about alarm output end
2 way relay alarm output (normally open contacts) should provide the power supply
to the alarm detector. To avoid over loading, please read carefully about the related
parameters of the relay. (See table below). The contro12v can provide the
power for restorable smoke detector.
2.4.3 Relays’ parameter of the alarm output end
D1 and HD1 series
Model: B3GA
Contacts materials
Silver
Rated switch capacity
30vDC 1A, 125vAC 0.5A
Maximum switch power
62.5VA 33W
Maximum switch voltage
125vAC 110vDC
Rating (Resistance Load)
Maximum switch electric
currency
1A
Between contacts with
same polarity
1000vAC 1 minute
50/60Hz
Between contacts different
polarity
1000vAC 1 minute
50/60Hz
Insulation
Between contacts & loop
1000vAC 1 minute
50/60Hz
Surge voltage
Between contacts with
same polarity
1500v (10x160us)
Length of open time
3ms maximum
Length of close time
3ms maximum
Mechanical
100x106 times (10Hz)
Longevity
Electric
200x103 times (0.5Hz)
Temperature
-40° ~ +70°C