Sungrow SG10RT, User Manual

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5.10 RS485 Connection
5.10.1 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.
In case of multiple inverters, all the inverters can be connected via RS485 cables in daisy
chain manner.
figure 5-6 Multi-inverter Connection
• The maximum number of inverters allowed to be connected in the same point
of connection is 5.
• The RS485 communication cable should be shielded twisted pair cables or
shielded twisted pair Ethernet cables.
• The RS485 cable between two devices should be not longer than 10 m.
• The RS485 communication cannot be used simultaneously with COM1 port for
WiNet-S.
• Refer to the manual of Logger for the communication connection to the meter.
5.10.2 Assembling the COM Connector
step 1 Unscrew the swivel nut from the connector.
step 2 Take out the terminal block.
5 Electrical Connection User Manual