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Service Functions
8.2.2 Device update via the Internet (recommended)
If the Sunny WebBox has Internet access, you can update the firmware of the devices in your PV plant
automatically or manually from the Internet.
Activating automatic device update
If automatic device updates are activated, the Sunny WebBox checks whether a new device update
is available once a day, between 10 pm and 3 am. If a new device update is available, the
Sunny WebBox downloads the device update from the Internet. In SMA inverters with upgraded
SMA Bluetooth piggy-backs, the update process starts on the following day as a result of overnight
shutdown (11 am). For all other supported SMA devices, the update process starts in the following
night (4 am).
Unexpected interruption of an automatically started update procedure
If an automatically started update procedure of the Sunny WebBox is interrupted (e.g. as
a result of a power outage or if the update source changes), the Sunny WebBox restarts
the update procedure the following day.
1. Select "Name of your PV plant" in the plant tree and select "Updates" in the device menu.
2. Select the "Settings" parameter group.
3. Click on the [Edit] button.
4. Select "Yes" in the "Activated" field.
5. Select "Automatic update" in the "Operating mode" field.
6. In the field "Update source", select "Update portal".
7. Select [Save].
☑ Automatic device updating is activated.
Performing a Manual Device Update
1. Select "Name of your plant" in the plant tree, and select "Updates" in the device menu.
2. Select the device type (e.g. SB5000TL-20, SB4000TL-20) for which you want to carry out an
update manually.
3. Select the required update file in the "Available updates" area, and click [Download].
☑ The Sunny WebBox downloads the update file from the Internet and indicates when the
process is complete by marking the update file as "Ready" in the "Available updates" area.
– If the update file cannot be downloaded, your computer's Internet connection may be
interrupted. Reestablish Internet access. If necessary, contact your Internet service provider.
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SMA America, LLC
Installation Guide
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