Hi Sharp DVR047-E, User Manual, Page: 7 / 53

7
1) Sensor Connection
Connect the Sensor to the SENSOR INPUT/
OUTPUT on the Rear Panel of the system
13,12,11,10,9,8,7,6,5,4,3,2,1
25,24,23,22,21,20,19,18,17,16,15,14
◆
Relay output : COM+NC, COM+NO
◆
Alarm input : Short-circuit between Alarm0, Alarm1, Alarm2 or Alarm3 and GND is recognized as
alarm by default.Alarm0~3 will be corresponding to Camera1~4.
NOTICE: Sensor input is RECOGNIZED as LOW when alarm signal is on a level with GND, and it is
recognized as HIGH when alarm signal is FLOATING or 5V. Following is internal circuit.
Thus, there is a danger of damage, when the sensor input goes to a Negative level or voltage higher than 5V.
Installation
Procedure
Internal Circuit
D1
5
V
1.ALARM0
2.ALARM1
3.ALARM2
4.ALARM3
23.ALARM NC
24.ALARM NO
25.ALARM COM
5. ~ 19. GND