The buffer memory can store a maximum of 6 logging points. Data is logged only during
inverter operation (power greater than 0 W). The logging interval is set to 30 minutes.
This results in a time span of 3 hours for recording data in the buffer memory.
When the buffer memory is full, the oldest data in the buffer memory is written over with
the new data.
IMPORTANT! The buffer memory requires a constant power supply.
If there is an AC power outage during operation, all data in the buffer memory is lost. The
automatic night switch-off must be deactivated so that data is not lost at night (set “Night
Mode” to ON – see the Operating Instructions for Datamanager 2.0 and the sections
“Setting and Displaying Menu Items,” “Displaying and setting parameters in the ‘DAT-
COM’ menu item”).
Suitable USB
Thumb Drives
Due to the number of USB thumb drives on the market, we cannot guarantee that every
USB thumb drive will be recognized by the inverter.
Fronius recommends using only certified, industrial USB thumb drives (look for the USB-
IF logo).
The inverter supports USB thumb drives using the following file systems:
- FAT12
- FAT16
- FAT32
Fronius recommends that the USB thumb drive only be used for recording logging data
or for updating the inverter software. USB thumb drives should not contain any other
data.
USB symbol on the inverter display, e.g., in the 'NOW' display mode:
When the inverter recognizes a USB
thumb drive, the USB symbol will appear
at the top right of the display.
When inserting the USB thumb drive,
make sure that the USB symbol is dis-
played (it may also be flashing).
Notice! Please be aware that in outdoor applications the USB thumb drive may only
function in a limited temperature range.
Make sure, for example, that the USB thumb drive will also function at low temperatures
for outdoor applications.
USB Stick for
Updating Inverter
Software
The USB stick can be used to help end customers update inverter software via the USB
menu item in the SETUP menu item: the update file is first saved on the USB stick and
then transferred to the inverter. The update file must be saved in the USB stick root dir-
ectory.
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EN-US
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