Connecting to Alarm Sensors and External Devices
ALARM IN
1 2
G
3 4
G
S
S
G
S
S
G
E
E
N
E
E
N
N
D
N
N
S
S
S
S
O
O
O
O
R
R
R
R
1
2
3
4
Function
Alarm In
Relay Out
Alarm sensors and external devices are usable by connecting to ALARM IN and R/O terminals of the reverse
side of the SNS-110 respectively.
Caution
When connecting an external device to R/O terminal, you are recommended to use
additional "Relay" for the purpose of the protection of each device.
R/O RX TX
RA RC
- + - +
N
D
Name
Alarm 1/2/3/4/G
-TTL Level(5VDC)
-Initial Contact Resistance, Max. : 75m
-Max. Switching Power : 60W, 62.5VA
RA/RC
-Max. Switching Voltage : 220VDC/125VAC
-Max. Carrying Current : 2A
-Contact Rating(Resistive) : 2A 30VDC/0.5A 125VAC
18
Regular Capacity
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