Sunny Boy 700 Technical Description page 54

Sunny Boy 700
RS485 communication
In grids loaded with high interference several Sunny Boys can be connected to a PC
or the Sunny Boy Control via RS485 and a separate data cable. Data cables of up to
1200 m are permissible.
Sunny Boy Sunny Boy
Sunny Boy Sunny Boy
Fig. 6.4: Schematic layout of RS485 data transmission with several Sunny Boys
Fig. 6.5: Cross section of the recommended RS485 cable
SB700-11:EE
Sunny Boy
Sunny Boy Control
RS485
Sunny Boy
RS485
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Technical Description
interface
converter
RS232
PC
SMA Regelsysteme GmbH