14
Note
There are two alarm input types: NO/NC. (K-NL316K)
When connect the ground port of the alarm device to the NVR, you can use any of the GND ports
(
).
Connect the C port of the alarm device to the alarm input port (ALARM) of the NVR.
When there is peripheral power supplying for the alarm device, please make sure it is earthed with
the NVR.
2.3.3
Alarm input and output port
There is peripheral power supplying for the external alarm device.
In case overload may result in NVR damage, please refer to the following relay specifications for
detailed information.
A/B cable of the RS485 is for the A/B cable connection of the speed PTZ.
2.3.4
Alarm relay specifications
The K-NL304K and K-NL308K
alarm relay specifications
is shown as below.
Model:
JRC-27F
Material of the
touch
Silver
Rating
(
Resistance
Load
)
Rated switch capacity
30VDC 2A, 125VAC 1A
Maximum switch power
125VA 160W
Maximum switch voltage
250VAC, 220VDC
Maximum switch currency
1A
Insulation
Between touches with same
polarity
1000VAC 1minute
Between touches with different
polarity
1000VAC 1minute
Between touch and winding
1000VAC 1minute
Surge voltage
Between touches with same
polarity
1500V (10×160us)
Length of open
time
3ms max
Length of close
time
3ms max
Longevity
Mechanical
50×106
MIN
(3Hz)
Electrical
200×103
MIN
(0.5Hz)
Temperature
-40
℃
- +70
℃
Summary of Contents for k-nl308k
Page 1: ...Network Disk Recorder User s Manual Model No K NL304K K NL308K K NL316K Version 1 0 5 ...
Page 32: ...23 The following figure is based on our K NL316K product Figure 3 2 ...
Page 50: ...41 Figure 4 25 ...
Page 67: ...58 Figure 4 52 Figure 4 53 ...
Page 88: ...79 Figure 4 71 Figure 4 72 ...
Page 89: ...80 Figure 4 73 Figure 4 74 ...
Page 94: ...85 Figure 4 78 Figure 4 79 ...
Page 95: ...86 Figure 4 80 Figure 4 81 ...
Page 96: ...87 Figure 4 82 Figure 4 83 ...
Page 99: ...90 Figure 4 86 Figure 4 87 ...
Page 114: ...105 send rate and receive rate at the top panel Figure 4 105 ...
Page 119: ...110 Figure 4 111 Figure 4 112 ...
Page 129: ...120 Figure 4 125 Figure 4 126 ...
Page 164: ...155 Figure 5 38 Figure 5 39 Figure 5 40 ...
Page 172: ...163 Figure 5 51 Figure 5 52 Figure 5 53 Figure 5 54 ...