
Sunny Boy 700
Technical Description
SB700-11:EE
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49
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SMA Regelsysteme GmbH
6 System Monitoring and Diagnosis
6.1 Data Transmission via Powerline
Signal transmission between the Sunny Boy and the Sunny Boy Control or the PC is
done with the grid connection via Powerline. This requires a minimum of installation
(see below). The Sunny Boy must be equipped with a Powerline modem for data
transmission. The PC must be equipped with the socket modem (SWR-COM). This is
already integrated in the Sunny Boy Control, the specific controller for PV-plants. The
PC or the Sunny Boy Control can be positioned anywhere within the in-house net-
work as they acquire data directly from the AC circuit.
For trouble-free operation the Sunny Boys and the PC socket modem or the Sunny
Boy Control must be connected to the same phase of the in-house network. If the
communicating partners are connected to different phases the communication must
be established with a so-called phase coupling device. The phase coupling device is
available from SMA and must be installed by qualified personnel. It will make com-
munication within the entire in-house network possible.
Sunny Boy
Sunny Boy
Sunny Boy
RS232,
modem
Sunny Boy
Sunny Boy
Sunny Boy
Sunny Boy
Control
SWR-COM
Sunny Boy
Sunny Boy
Sunny Boy
PC
PC
Sunny Boy
Control
Powerline
Powerline
Powerline
Fig. 6.1: Example of data transmission via Powerline