Sunny Island 4500
Installation & Operating Instructions
BWRI45-13-EE0304
- 72 -
SMA Regelsysteme GmbH
3.7.4 Alternative Communication at COM1 Interface
Fig. 3.24 shows as an example a simple island grid plant with a Sunny Boy as the
photovoltaic feeder, Sunny Island, Sunny Boy Control Plus and communication PC. A
motor feeding the grid is not included here but could be easily integrated.
The RS485 interface (COM1, SYNC BUS) of the Sunny Island to the PC is available
for communication in a single-phase island grid. All parameters and measured values
of the Sunny Island can be displayed in the well-known manner with the communica-
tion software Sunny Data.
Sunny Boy
Sunny Island
GSM-Modem
Sunny Boy Control Plus
Data Storage
RS485
RS485
RS232
COM 1/ 9600 Baud
COM 2/ 1200 Baud
Connection Box
Water
quantity
Iragg 1
Power
PV-plant
PT100
ambiente
PT100
PV-Module
Power
consumer
˚C
˚C
Laptop
Fig. 3.24:
Data communication with serial interface
Please read Chapter 8.3 carefully!