Sensor device – CNB NXE3055MR User Manual
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Network Weatherproof Camera Installation Manual
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Alarm Input
Various alarm sensor types (IR, heat, magnetic, etc.) can be connected to
Alarm
input (+)/(-) terminal as
shown in figure 2.5. (NC or NO can be configured in Menu.)
Please note that the Alarm Sensor device requires a separate power source.
Alarm in(+)
Alarm in(-)
Photo Coupler
Sensor
Device
Signal(+5 ~ 30VDC)
GND
Adaptor
+
-
Internal Circuitry External Circuitry
Alarm Output
This terminal can only drive up to DC 30V/400mA. A relay has to be used to operate Alarm devices that
require higher voltage or current.
ALARM
DEVICE
POWER
Alarm out
Alarm out
+
+
-
-
Internal Circuitry External Circuitry
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