4 System Overview
SMA Solar Technology AG
System Manual
SBSUL9540-SH-en-10
12
4.2
Circuitry Overview Battery Communication Connection
SUNNY BOY STORAGE with LG Chem RESUxxH
1
SUNNY BOY
STORAGE
6
5
4
3
2
A B C
D E
F
LG Chem RESUxxH
Clamping
position
Assignment
Clamping
position
Assignment
A
Not assigned
‒
‒
B
Enable
3
BAT EN
C
GND
2
GND - AUX
D
CAN L (twisted pair conductors, at
least CAT5e)
5
CAN - L
E
CAN L (twisted pair conductors, at
least CAT5e)
4
CAN - H
F
+12V supply for automatic trans-
fer switching device
‒
‒
Summary of Contents for SUNNY BOY STORAGE 3.8-US
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