SMA ST6-US - Manual (Page 41)

SMA America, LLC Communication
Installation Guide ST36-48US-IA-IUS112321 41
8 Communication
For detail information on communication, refer to the SB 6000US/SB 7000US/SB 8000US and the
Sunny WebBox installation guide.
• If ordered, the Sunny WebBox is already installed inside the Sunny Tower.
• Connect the communication cables to each installed Sunny Boy. Connect other bus participants
to the communication distributor.
• The communication distributor is situated inside the Sunny Tower.
8.1 External communication device
To connect an external communication device to the communication bus of the Sunny Tower simply
connect the RS485 cable to the RJ45 socket as you can see below.
The communication cables must be wired in separate conduits or raceways and must be
isolated from the power lines!
Position Description
A Socket for external communication device
B Socket for additional bus participant or termination resistor