SMA SUNNY ISLAND 6.0H - Page 24

4 Circuitry of Multicluster Systems
SMA Solar Technology AG
System DescriptionSI44M-80H-13-MC-IA-en-1024
Position Designation Description / information
C DC+ cable Battery connection
Conductor cross-section: from 50mm
2
to 95mm
2
Cable diameters: 14mm to 25mm
Torque: 12Nm
D DC- cable
E Measuring cable
Sunny Island: terminal BackupVtgCur
Multicluster-Box: terminal Slv.1/L2
F Data cable for the in-
ternal communication
in the cluster
SunnyIsland: terminal ComSyncIn
Master: terminal ComSync Out
G Data cable for the in-
ternal communication
in the cluster
SunnyIsland: terminal ComSyncOut
With slave 2: terminal ComSyncIn