Communication Connection; Ground Connection - Sungrow SG3425UD System Manual

System Manual
6.6

Communication Connection

The communication terminals are located in lower part of the inverter, as shown in the figure
below.
No.
A
B
On site, perform cable connection according to internal terminal markings.
6.7

Ground Connection

Overview
Generally, the ground connection includes equipotential connection of internal devices and
external grounding.
External Grounding
Two external grounding points are located at the bottoms on the front side and back side of
the inverter.
Connect the grounding cable to the external grounding points with M10 bolts, where the
recommended cable is of 50 mm
Description
RS485 communication port
Ethernet port
2 to 95 mm 2 .
6 Electrical Installation
43