installation & connection
30_
installation & connection
~
ALARM-IN : Used to connect the alarm input sensor or external day/night sensor.
~
ALARM-OUT : Used to connect the alarm output signal.
~
GND : Common port for alarm in/output signal.
J
`
If devices (e.g., flashing light and siren) that exceed the voltage and current specifications are connected by using the open
collector method, it may cause malfunction.
Refer to the “
Alarm Out Wiring Diagram
” when connecting devices that exceed the voltage and current specifications.
To connect the external sensor
Connect one strand of each signal line (2-strand) of the sensors to the [
ALARM IN
] port, and connect the
other strand to the [
GND
] port.
Alarm In Wiring Diagram
To connect the alarm out
If devices (e.g., flashing light and siren) that exceed the voltage and current specifications are connected by
using the open collector method, it may cause malfunction.
Refer to the alarm out connection diagram below when connecting devices that exceed the voltage and
current specifications.
Alarm Out Wiring Diagram
Sensor
GND
RESISTOR
ALARM IN (5mA SINK)
RESISTOR
RESISTOR
VCC_3.3V
DIODE
GND
MLCC
TRANSISTOR
External
connection
Inside of the camera
Warning lamp /
Siren power
Warning lamp /
Siren
(-)
(+)
ALARM OUT (12VDC 20mA MAX)
RESISTOR
10K ohm
DIODE
RELAY
DC 5V or 3.3V
TRANSISTOR
GND
GND
TRANSISTOR
External connection
Inside of the camera
GND
RESISTOR
Summary of Contents for QND-7022R
Page 40: ......
