Ethernet Communication Connection - Sungrow SG3KTL-EC User Manual

5 Electrical Connection
the RS485 A and B cables (3 and 6) to terminating resistor or data logging
device or RS 485-232 converter.
6. Connect the other devices. Refer to the device manual for the definition of
the communication port. The following figure shows the RS485 connection
to the three-phase smart energy meter.
The length of insulation to be stripped off is 5 mm~7 mm.
The wires 3 and 6 are connected to terminals A and B respectively.
7. Verify the communication connection and configure the communication
parameters.
If there is more than one inverter to communicate with a PC or a data
logger, it is crucial to configure the communication parameters of each
inverter. See "10.9.5 Setting Communication Parameters".

5.7.3 Ethernet Communication Connection

You can connect the inverter to PC through NET port to set up Ethernet
communication. Network cable with RJ45 plugs enables connection between the
inverter and PC.
The Ethernet communication can be connected either in single or star topology.
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User Manual