LG RESU FLEX - Inverter Communication Connection

ENGLISH
43
4.2 Communication Line Connection
It is required for the battery pack to communicate with the inverter for
proper operation. Connect a communication cable between the BPU and
the inverter.
Communication
terminal block
Inverter CAN Hi
Inverter CAN Lo
15
14
Inverter RS485 A+
Inverter RS485 B-
12
11
Inverter ENABLE 12V(+)
4
Inverter ENABLE GND(-)
1
1. Find the Communication terminal
block inside the terminal hole.
Ferrules terminal
Comm. cable
10mm
2-1. Prepare the Communication line
Recommended communication cable
a) Max. cable length : < 30m(98ft)
b) Conductor cross section : 0.3
~ 0.5mm
2
* Use a multi conductor cable(Core 4 or 5)
with an outer diameter of 5.5 ~ 6.5mm.
c) Use ferrule terminal for the
communication cable
d) Use twisted-pair
communication cable
2-2. Connect the Communication
line according to the
communication type
(CAN or RS485)
* Refer to the following pin-map