46
USB Stick as a Data Logger and for Updating Invert-
er Software
USB stick as a
data logger
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
CSV file.
Older Excel versions (up to Excel 2007) have a row limit of 65536.
Data on the USB
stick
If the USB stick is used as a datalogger, three files are automatically created:
- FRONIUS.sys system file:
This file saves information from the inverter that is irrelevant to the customer. The file
must not be deleted individually. Only delete all files together (sys, fld, csv).
- DALO.fld log file:
Log file for reading out data in Fronius Solar.access.
You can find additional information on the Fronius Solar.access Software in the "DAT-
COM Detail" operating instructions at http://www.fronius.com
- DATA.csv log file:
A log file for reading out data in a spreadsheet program (e.g., Microsoft® Excel)
Data structure on the USB stick
(1) USB root directory
(2) Fronius inverter (Fronius Galvo,
Fronius Symo, Fronius Primo, or
Fronius Eco)
(3) Inverter number – can be set in the
setup menu under DATCOM
If multiple inverters exist with the same in-
verter number, the three files are saved in
the same folder. A number is appended to
the file name (e.g., DALO_02.fld)
Structure of the CSV file:
USB_Drive (1)
(2)
01 (3)
02
FRONIUS.sys
DALO.fld
DATA.csv
FRONIUS.sys
DALO.fld
DATA.csv
GALVO / SYMO / PRIMO / ECO
(1) (2) (3) (4) (5) (6) (7)
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