Panasonic k-nl304k, User Manual

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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
℃