Sungrow SG5.0RT - RS485 Connection; RS485 Communication System

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5.9 RS485 Connection
5.9.1 RS485 Communication System
The RS485 (A1, B1) connection can establish the communication between the inverter
and an external device, as well as the communication between two inverters in parallel.
The followings show the RS485 (A1, B1) communication between the inverter and the
data collector (Logger).
SSiinnggllee--iinnvveerrtteerr CCoommmmuunniiccaattiioonn SSyysstteemm
In case of a single inverter, communication cable connection requires only one RS485
cable.
FFiigguurree 55--66 Single-inverter Connection
MMuullttii--iinnvveerrtteerr CCoommmmuunniiccaattiioonn SSyysstteemm
In case of multiple inverters, all the inverters can be connected via RS485 cables in the
daisy chain manner.
User Manual 5 Electrical Connection