Structure of the CSV file:
(1) (2) (3)
(4)
(5) (6) (7)
(1) ID
(2) Inverter no.
(3) Inverter type (DATCOM code)
(4) Logging interval in seconds
(5) Energy in watts per second, relative to the logging interval
(6) Inductive reactive power
(7) Capacitive reactive power
(8) Average values during the logging interval (AC voltage, AC current, DC
voltage, DC current)
(9) Additional information
Data volume and
storage capacity
A USB flash drive with a storage capacity of 1 GB can record logging data for
roughly seven years at a logging interval of five minutes.
CSV file
CSV files can only store 65,535 lines (data records) (up to Microsoft® Excel 2007;
there is no restriction from this version onwards).
At a five-minute logging interval, the 65,535 lines will be written within approx-
imately seven months (CSV data size of approx. 8 MB).
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.
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