SMA SUNNY ISLAND 8.0H - State of Charge of the Battery; Status of the External Energy Source

SMA Solar Technology AG 4 Product Description
Installation Manual SI80H-60H-OffGrid-IA-en-11 25
4.5 Communication
The off-grid inverter is equipped with two interface slots for the connection of SMA communication
interfaces.
The SI-COMSMA.BGx communication interface is an additional RS485 interface on the off-grid
inverter. You can connect the off-grid inverter to the following products using RS485:
• SMA communication products (e.g. Sunny WebBox)
•PV inverters
• Wind power inverters
• Masters of extension clusters
In a multicluster system, the masters of the clusters must communicate with each other via an individual
CAN bus. An SI-SYSCAN.BGx communication interface must be installed in each master for
multicluster communication.
If you order off-grid inverters with communication interfaces, the off-grid inverters will be delivered with
communication interfaces already installed.