SMA Technologie AG Archiving Data on an MMC/SD Card
Technical Description SI5048-11:EE4206 Page 81
11.7 Firmware Update
The firmware of the Sunny Island 5048 can be updated using the MMC/SD card.
When the Sunny Island 5048 starts up or when the MMC/SD card is inserted, the
Sunny Island 5048 searches for special update files on the MMC/SD card. If it finds
such files, it performs an update when the Sunny Island 5048 is in standby mode.
In a system with several Sunny Island 5048 devices, the firmware is only updated on
the master. If the master detects that a slave has a different firmware version, it transmits
its firmware to the slave and makes sure that all Sunny Island 5048 devices within a
system operate with the identical firmware version.
For help on troubleshooting, refer to section 19.9 "Troubleshooting" (Page 150).
While the master performs its update, the following message
is shown on the display:
Once the update has been successfully completed, a mandatory reset follows so
that the changes take effect.
If a slave with a different firmware version is switched on, the master interrupts
operation, performs a cluster update and starts up together with the slaves.
While the master updates the slave(s), the slave(s) display the
same message as the master.
The following message appears on the master at the same
time:
Update 1/2
Update 2/2
Update 1/2
Update 2/2
Updating Slaves
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