Difference between revisions of "NVR/Alarm Panel"
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[[Category:NVR]] | [[Category:NVR]] | ||
Latest revision as of 00:22, 16 November 2017
Alarm Connection
Alarm Port
The alarm port is shown as below. The following figure is based on the 78 series.
|
Icon |
Function |
|
1～16 |
ALARM1～ALARM16. The alarm becomes activated in the low level. |
|
NO1 C1，NO2 C2，NO3 C3，NO4 C4 |
Four NO activation output groups. (On-off button). |
|
NO5 C5 NC5 |
One NO/NC activation output group. (On-off button). |
|
CTRL 12V |
Control power output. Disable power output when alarm is canceled. Current is 500mA. |
|
＋12V |
Rated current output. Current is 500mA. |
|
GND | |
|
A/B |
485 communication port. They are used to control devices such as PTZ. Please parallel connect 120TΩ between A/B cables if there are too many PTZ decoders. |
Note
- Different models support different alarm input ports. Please refer to the specifications sheet for detailed information.
- Slight difference may be found on the alarm port layout.
Alarm input port
Connect the positive end (+) of the alarm input device to the alarm input port (ALARM IN 1～16) of the NVR. Connect the negative end (-) of the alarm input device to the ground end (
) of the NVR.
Note
- There are two alarm input types: NO/NC.
- When connect the ground port of the alarm device to the NVR, you can use any of the GND ports ().
- Connect the NC 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.
Alarm relay specifications
|
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℃ |
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