Connecting Alarm Input And Alarm Output - LG LRN8240D-NH Owner's Manual

Connecting Alarm Input and Alarm
Output
Alarm terminals are used to connect the alarm devices such as
sensors, door switches, etc.
Alarm Input
You can connect up to 16 alarm sensors. Each alarm sensor should
be connected with G (GND). The signal state is adjustable to N/O
(Normal Open) or N/C (Normal Close) through the setup menu.
Sensor input connection
Alarm sensor
Terminal No.
1
2
3
4
G
5
6
7
8
G
9
10
11
RS - 232C
Alarm sensor
Description
Sensor Input 1
Sensor Input 2
Sensor Input 3
Sensor Input 4
Ground
Sensor Input 5
Sensor Input 6
Sensor Input 7
Sensor Input 8
Ground
Sensor Input 9
Sensor Input 10
Sensor Input 11
12
G
13
14
15
16
G
Alarm Output
Connect the alarm device to the alarm output. Alarm signal outputs
when an event occur.
2
D- D+ G
Alarm output connection
Alarm device
Terminal No.
G
1
2
3
4
NOTE
The internal switching relays are rated for 0.3 A at 125 V AC or 1 A
at 30 V DC. If the electric current is higher than that the unit can
be damaged.
Installation
Sensor Input 12
Ground
Sensor Input 13
Sensor Input 14
Sensor Input 15
Sensor Input 16
Ground
RS - 232C
Alarm device
Description
Ground
Alarm Output 1
Alarm Output 2
Alarm Output 3
Alarm Output 4
17
3