Communication In A Three-Phase Island Grid - SMA Sunny Island SI3300 Installation & Operating Instructions Manual

Sunny Island

3.8 Communication in a Three-Phase Island Grid

The following figure shows which interconnecting cables can be installed for commu-
nication in a three-phase island grid to ensure convenient and troublefree operation.
Sunny Island
Master
S-BUS
Communication Interface
RS485 1200 Baud Sunny Net
Service Interface
RS232
Sunny Boy
Fig. 3.22: Communication in a three-phase island grid
Please read chapter 8.3 carefully!
BWRI33-12:EE
Slave 1 Slave 2
Sunny Boy Sunny Boy
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Installation & Operating Instructions
Sunny Boy
Control
PC Interface
RS485 19200 Baud SMA Net
PC
SMA Regelsysteme GmbH