LG BNU-BAC Installation & Owner's Manual page 9

Main features & Specification
(3) Possible to use together with the simple central controller
It is possible to use the BACnet Gateway by connecting the 16-room simple central controller to
the PI485.
TX
LG-NET 1
RX
TX
LG-NET 2
RX
1
DI
TX
2 LG-NET 3
RX
3
TX
4
LG-NET 4
RX
5
6
7
TX
8 Ext 1
RX
9
TX
10 Ext 2
RX
11
12
13
14
ACT
Ethernet 1
15
LNK
16
MENU/
17
ACT
SELECT Ethernet 2
18
LNK
19
20
TX
Console
RX
1
DO Run
2
3
4 Power
BACnet Gateway
(4) Interlocking Fire feature
The fire is controlled via the extended DI port (DI Port 4). When a fire breaks out, all indoor units
and ventilators on the LG-net are turned off.
Multi V
PI485
ON KSDO4H
L1 2 3 4
Central control
Multi V
PI485
ON KSDO4H
L1 2 3 4
Central control
Simple central controller
Main features & Specification
(0.1) ....................... (0.F)
(0.0)
address
(F.1) ....................... (F.F)
(F.0)
address
Installation/Owner Manual 9