Buffer Memory; Suitable Usb Flash Drives - Fronius Symo Advanced 10.0-3-M Operating Instructions Manual

In order to avoid data loss, the CSV file should be backed up to a PC and deleted
from the USB flash drive within this seven-month period. If the logging interval is
set to a longer period, this time frame will be increased accordingly.
FLD file
The FLD file should not be larger than 16 MB. This will provide enough storage
capacity for approximately six years at a logging interval of five minutes.
If the file exceeds the 16 MB limit, it should be backed up to a PC and all of the
data on the USB flash drive should be deleted.
After backing up and removing the data, the USB flash drive can be reconnected
immediately to resume recording the logging data without any further steps be-
ing required.
IMPORTANT! Using a full USB flash drive can lead to data loss or data being
overwritten. When using USB flash drives, always ensure that there is sufficient
storage capacity on the flash drive.
NOTE!
Risk of USB flash drive becoming full.
This may result in data being lost or overwritten.
▶

Buffer memory

If the USB stick is unplugged (e.g. for data backup purposes), the logging data is
written to a buffer memory in the inverter.
As soon as the USB stick is plugged in again, the data is copied automatically
from the buffer memory to the stick.
The buffer memory can store a maximum of six logging points. Data is only
logged while the inverter is running (output greater than 0 W). The logging inter-
val is permanently set at 30 minutes. Data can be recorded on the buffer
memory for a three-hour time period as a result.
When the buffer memory is full, the oldest data in the memory will be overwrit-
ten by the next batch of data.
IMPORTANT! The buffer memory requires a permanent power supply.
If there is a power failure while the inverter is in operation, all the data in the buf-
fer memory will be lost. To avoid losing data during the night, the automatic night
switch-off facility must be deactivated (switch the "Night Mode" setup parameter
to ON - see the Datamanager 2.0 Operating Instructions, section "Setting and
displaying the menu items", "Viewing and adjusting parameters in the DATCOM
menu item").
On the Fronius Eco or Fronius Symo 15.0-3 208, the buffer memory also func-
tions with just a DC supply.
Suitable USB Due to the variety of USB flash drives available on the market, it cannot be guar-
flash drives anteed that every USB flash drive will be detected by the inverter.
Fronius recommends that only certified, industry-grade USB flash drives are
used (look out for the USB-IF logo).
The inverter supports USB flash drives with the following file systems:
When using USB flash drives, always ensure that there is sufficient storage
capacity on the flash drive.
93