Rs485 Communication Connection - Sungrow SG3KTL-EC User Manual

5 Electrical Connection

For RS485 serial communication, the inverter operation information can be
transferred via RS485 port to a PC with monitoring software, or to data logging
device (such as MC Logger). The inverter operation information can also be
transferred via Wi-Fi terminal to a PC with monitoring software, or to SolarInfo
Bank via the router.

For Ethernet communication, the inverter operation information can be
transferred via NET port to a PC with monitoring software, or to Webserver, or to
SolarInfo Bank via the router.
Before communication connection, prepare communication cables and RJ45 plugs.
Cable requirements to ensure quality of communication:
 Shielded network cable
 DI connection cable
A converter such as RS485-232 converter or SolarInfo Logger, which
converts 485 signal to 232 signal, is needed between the inverter and PC.

5.7.2 RS485 Communication Connection

A RS485 cable can guarantee the communication connection.
Fig. 5-6 Inverters RS485 communication connection
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