Electrical Connection Overview - Sungrow SG30CX User Manual

5 Electrical Connection
* The image shown here is for reference only. The actual product received may differ.
I I t t e e m m T T e e r r m m i i n n a a l l
A PV terminals
Communica-
B
tion terminal
AC junction
C
box
Additional
grounding
E
terminal

5.3 Electrical Connection Overview

The electrical connection should be realized as follows:
26
f f i i g g u u r r e e 5 5 - - 1 1 Terminal Description
M M a a r r k k N N o o t t e e
MC4 PV connector
SG30CX, SG33CX: 6 pairs of terminals
+ / -
SG40CX: 8 pairs of terminals
SG50CX: 10 pairs of terminals
For RS485 communication wiring.
COM1
COM2 For Communication module connection.
For digital input and output DI/DO wiring.
COM3
For DRM communication wiring.
COM4
Remove the protective case and use the
junction box in the shipping accessory for
—
wiring.
use at least one of them to ground the
inverter.
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