Fronius Symo 10-20 kW User Manual
USB Stick as a Data Logger and for Updating Invert-
USB stick as a
A USB stick connected to the USB A socket can act as a data logger for an inverter.
Logging data saved to the USB stick can at any time
be imported into the Fronius Solar.access software via the included FLD file,
be viewed directly in third-party applications (e.g., Microsoft® Excel) via the included
Older Excel versions (up to Excel 2007) have a row limit of 65536.
Data on the USB
If the USB stick is being used as a data logger, three files will be created automatically:
FRONIUS.sys system file:
This file stores information from the inverter that is irrelevant to the customer. The file
must not be deleted separately; only ever delete all of the files (sys, fld, csv) in one go.
DALO.fld log file:
A log file for reading the data in the Fronius Solar.access software.
Further details on the Fronius Solar.access software can be found in the "DATCOM
Details" operating instructions at http://www.fronius.com
DATA.csv log file:
A log file for reading the data in a spreadsheet program (e.g. Microsoft® Excel)
Data structure on the USB stick
USB root directory
Fronius inverter (Fronius Galvo or
Inverter number - can be set in the
Setup menu under DATCOM
If there are several inverters with the same
inverter number, the three files will be sa-
ved in the same folder. A digit is added to
the file name as a suffix (e.g.: DALO_02.fld)
Structure of the CSV file:
GALVO / SYMO