8.3.5.2 Inserting the Memory Card
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section7, page96).
Procedure:
• Insert the memory card in the slot of the communication unit.
8.3.5.3 Enabling Data Storage on the Memory Card
1. Log into the user interface (see Section12.8.1, page177).
2. Select SunnyCentral > Settings > Security.
3. To activate data storage to the memory card, select the option Enabled in the field External memory.
4. To deactivate data storage to the memory card, select the option Disabled.
5. Select the button [Save].
8.3.5.4 Displaying the Memory Capacity Available on the Memory Card
1. Log into the user interface (see Section12.8.1, page177).
2. Select SunnyCentral > Info.
3. In the field Sunny Portal Buffer Load, you can see the space available in the internal ring buffer.
4. In the field SD card memory capacity, you can see the space available on the memory card.
8.4 Updating the Firmware
8.4.1 Automatic Update
If the communication unit has access to SunnyPortal, you can select automatic update of the firmware. The
communication unit checks whether a new firmware version is available every time data is transmitted to SunnyPortal.
If a new firmware update is available, the communication unit will download the firmware update from the Internet and
install it at night between 1:00a.m. and 4:00a.m (time set on the inverter). The automatic firmware update function is
disabled by default.
8 Operation
SMA Solar Technology AG
System Manual 111MVPS22JP-SH-en-11