53
step 7 Connect OUT+ of the first optimizer and OUT- of the last optimizer to the PV input terminals
of the inverter.
If each PV module is equipped with an optimizer, the total power of PV modules in a PV input
shall not exceed the maximum input power of a single PV input of the inverter.
• Branch-connector connection on the input side of the inverter is not supported by the
optimizer.
• Please refer to the optimizer user manual for details.
- - End
5.7 WiNet-S/WiNet-S2 Connection
SG3.0-20RT uses WiNet-S2 module, and the WiNet-S2 module supports Ethernet commu-
nication and WLAN communication. It is not recommended to use both communication
methods at the same time.
User Manual 5 Electrical Connection