Sungrow SG10RT, User Manual, Page: 49 / 126

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• Check the positive and negative polarity of the PV strings, and connect the PV
connectors to corresponding terminals only after ensuring polarity correctness.
• Electric arc or contactor overtemperature may occur if the PV connectors are
not firmly in place, and SUNGROW shall not be held liable for any damage
caused due to this operation.
step 4 Seal the unused PV terminals with the terminal caps.
- - End
5.7 WiNet-S Connection
The WiNet-S module supports Ethernet communication and WLAN communication. It is not
recommended to use both communication methods at the same time.
The WiNet-S communication for Ethernet cannot be used simultaneously with A1 and B1
terminals for RS485 daisy chain.
For details, see the quick guide for the WiNet-S module. Scan the following QR code for the
quick guide.
5.7.1 Ethernet Communication
The WiNet-S communication for Ethernet cannot be used simultaneously with A1 and B1
terminals for RS485 daisy chain.
step 1 (Optional) Strip the insulation layer of the communication cable with an Ethernet wire strip-
per, and lead the corresponding signal cables out. Insert the stripped communication cable
into the RJ45 plug in the correct order, and crimp it with a crimper.
User Manual 5 Electrical Connection