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-
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Rev.1.0 (Jan. 2010)
15
SNS IN
Examples of sensing devices are infrared sensors, motion sensors, heat/smoke sensors,
magnetic sensor, etc. Connect the two wires of the sensors to “SNS In”. The sensor type
(NC/NO) can be set in Administrative mode. 10mA can be flown into sensor device. Multiple
sensor devices can be connected in parallel.
S ensor
Device
S ensor
Power
S upply
NO/NCType
S ensor
1 -
S ensor
1 +
+ 1 2V
GND
Sensor
Device
S ensor
Power
S upply
Open Collect
or
Type
Photo C oupler
Figure 2-4. SENSOR Input connection
RLY OUT
It is used for connecting external alarm generators such as sirens, flashing light, etc. When
activated, relay output configures a closed circuit.
A Relay output is provided for connecting alarm devices or for remote on/off devices such as
light.. Relay is normal open and it will be closed upon alarm annunciation or remote on. The relay
is capable of switching 30V AC/DC, 2A.
Alar
m
Out
Device
Relay1
Power
S upply
(
1
~30
VDC/AC,1A
)
Relay1
+
-
Relay Sw itch Pow er Supply
1 V~ 30VDC/AC,1 A
O ptional
Relay Sw itch
Alar
m
Out
Device
Power
S upply(
30V
~
)
Relay
Figure 2-5. RELAY Output connection
