Battery System; Device Address - SMA Sunny Island SIC50-MPT Installation Manual

SMA Solar Technology AG
7.1.2 Battery System
The battery system is set using the C1, C2 and C3 DIL switches. The following table displays the switch
position of the required battery system.
Switch 12 V battery system
C1 ON
C2 OFF
C3 OFF
7.1.3 Device Address
The sequential order of the devices is determined by configuring the device address. The device
address is set using the D1, D2 and D3 DIL switches.
Stand-alone operation
In the "Stand-alone operation" mode, the device address must be set to 0.
SMA operation
In the "SMA operation" mode, up to four charge controllers may be connected to the
Sunny Island. The device addresses intended for these four devices are one to four.
The following table displays the switch position of the device addresses:

Device address

0
1
2
3
4
5
6
7
Installation Guide
24 V battery system
OFF
ON
OFF
D3
OFF
OFF
OFF
OFF
ON
ON
ON
ON
48 V battery system
OFF
OFF
ON
D2
OFF
OFF
ON
ON
OFF
OFF
ON
ON
(First) Commissioning
D1
OFF
ON
OFF
ON
OFF
ON
OFF
ON
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