SMA SUNNY ISLAND 6.0H - User Mode; Displaying Parameters and Operating;Setting

4 Circuitry of Multicluster Systems
SMA Solar Technology AG
System DescriptionSI44M-80H-13-MC-IA-en-1026
Position Designation Description / information
F Data cable for the in-
ternal communication
in the cluster
SunnyIsland: terminal ComSyncIn
Slave1: terminal ComSyncOut
G Data cable for the in-
ternal communication
in the cluster
Terminal ComSyncOut
A data cable must be connected to the battery only when lithium-ion batteries are
used. The communication bus must be equipped with a terminator on both ends.
4.4 Connecting the SunnyIsland Inverters in ExtensionClusters
Function of the SunnyIsland in-
verter
Which cables must be con-
nected?
Where must the cables be con-
nected?
Master in extensioncluster 1/2/3 See installation - Circuitry Overview
of the Multicluster-Box
see Section4.1, page21
Slave 1 in extensioncluster 1/2/3 see Section4.2, page23
Slave 2 in extensioncluster 1/2/3 see Section4.3, page25