6 communication, Communication – SMA SB 3300 Installation User Manual
Page 35

SMA Solar Technology AG
Electrical Connection
Installation Guide
SB33_38-IEN111851
35
7. Check the Electronic Solar Switch for wear, as
described in section 8.2 ”Checking the Electronic
Solar Switch for Wear” (page 51) and attach it
firmly.
☑ The PV generator is now connected.
5.6 Communication
The inverter is equipped with a socket for communication interfaces in order to communicate with
special data acquisition devices (e.g., Sunny WebBox) or a PC with corresponding software (e.g.
Sunny Data Control or Sunny Explorer).
Refer to the respective communication interface manual for a detailed wiring diagram and an
installation description for the interface.
NOTICE!
The Electronic Solar Switch can be damaged if it is plugged on incorrectly!
The Electronic Solar Switch can be damaged by high voltages if it has not been attached
properly.
• Do not tighten the screw inside the handle.
• Insert the handle of the Electronic Solar Switch securely in the socket on the bottom
of the enclosure until it audibly locks into place.
• Check whether the handle of the Electronic Solar Switch is securely connected.