SMA SUNNY ISLAND 4548-US Operating Manual page 102

11 Data Storage on SD Memory Card
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Parameters and settings
Individual parameters and settings are retained during a firmware update.
Switching on a slave with a different firmware version
If a slave with a different firmware version is connected, first stop the master. Stop all slaves.
Then restart the master. The slaves start automatically and the master performs a firmware
update.
102 SI4548-6048-US-BE-en-21
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SMA Solar Technology America LLC
Display from
Master
Master
Master
Master
Slave
Explanation
Master update part 2/
2.
The slave update starts.
The slave update is
running.
The master update is
completed.
The slave update is
completed.
Operating Manual