Electrical Connection SMA Solar Technology AG
52 SI5048-TB-TEN110340 Technical Description
Connecting Sunny Island to the Sunny Boy/Sunny Mini Central/Sunny Tripower/
Windy Boy and Sunny WebBox with one RS485 cable
Connecting Sunny Island to the Sunny Boy/Sunny Mini Central/Sunny Tripower/
Windy Boy and Sunny WebBox with separate RS485 cables
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.
Setting the baud rate
If PV inverters are connected to the communication bus, then the baud rate must be set to
1 200 bps (default setting).
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