SMA SI 3.0-11 Quick Reference Guide V.4.0 - Manual (Page 18)

5 System With Three Sunny Island Inverters SMA Solar Technology AG
18 FSS-IS-en-40 Installation Manual - Quick Reference Guide
5.3 Connecting Slave 1 and Slave 2
Figure 5: Connecting the Sunny Island inverter
F Data cable to
Sunny Remote Control
Terminal Display
G Speedwire network cable Terminal ComETH
In order to connect the router/network switch, the Speedwire data
module Sunny Island with the terminal ComETH must be mounted in
the Sunny Island (see Speedwire data module Sunny Island
installation manual).
H Data cable to lithium-ion battery Terminal ComSync In
Connection of the battery management of the lithium-ion battery
The communication bus must be connected to the lithium-ion battery.
If no lithium-ion batteries are used, plug the terminator into the terminal
ComSync In.
I Data cable for the internal
communication in the cluster
ComSync Out terminal
Connection of internal communication bus of slave 1
Position Designation Description/information