Electrical Connection SMA Solar Technology AG
50 SI5048-TEN093630 Technical Description
9. Move the slide switch (B) to RS485 (lower position).
10. Plug the communication interface onto the board (A).
Data Transmission Speed
The Sunny Island can be operated at different data transmission rates to communicate with external
devices. The parameter "250.06 ComBaud" must be set correspondingly.
Position Description
A Slot for communication interface
B Sliding switch to set the type of communication
C Cable route
D Enclosure feed-through in the base of the Sunny Island
Setting the baud rate
If PV inverters are connected to the communication bus, then the baud rate must be set to
1200 bps (factory setting).
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