Connecting to alarm sensors and external devices – Samsung Version 1.1 User Manual

Page 18

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18

Connecting to Alarm Sensors and External Devices

S
E
N
S

O

R

1

S
E
N
S

O

R

2

S
E
N
S

O

R

3

S
E
N
S

O

R

4

G

N
D

G

N
D

ALARM IN

R/O RX

TX

1 2 3 4 - + - +

RA RC

G

G

Function

Name

Regular Capacity

Alarm In

Relay Out

Alarm 1/2/3/4/G

RA/RC

-TTL Level(5VDC)

-Initial Contact Resistance, Max. : 75m

§

-Max. Switching Power : 60W, 62.5VA
-Max. Switching Voltage : 220VDC/125VAC
-Max. Carrying Current : 2A
-Contact Rating(Resistive) : 2A 30VDC/0.5A 125VAC

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.

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