04 SD Cards and Logging – VBOX IISX

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The VBOX IISX stores logged data onto SD cards with FAT or FAT32 formats..The supplied SD cards are already optimised to be used with the VBOX IISX and as such they do not need formatting before you use them. Should the SD card subsequently need formatting due to card errors, you can do this in Windows:

Insert the SD card into an SD card reader.
Right-click on the drive in the 'computer' section and select 'format'.
To run a full format, make sure that 'quick format' is not ticked.

When the VBOX IISX is logging data to an SD card, the OLED display will show a small disk icon next to the name of the current file at the bottom of the display. It is important that you do not remove the SD card while the VBOX IISX is logging. If you do remove the card while the VBOX IISX is writing data to it, there is a risk that the data file may be corrupted and you could lose data.

There are two logging modes:

Log only when moving: In this mode, the VBOX IISX will start to log data only when the unit detects that the vehicle reaches a speed higher than 0.5 km/h. This mode requires a satellite lock.
Log continuously: Data is continuously logged to the SD card regardless of vehicle velocity or the number of satellites.

If the selected logging mode is ‘Log only when moving’, wait a short time after the vehicle has stopped for the logging to finish and the disk icon to disappear from the screen. Once the disk icon has gone, it is safe to remove the SD card.

If the selected logging mode is ‘Log continuously’, press the start/stop logging switch (if connected) to stop logging so that you can remove the card safely. If you do not have a start/stop logging switch available, press ’■’ on the front panel to enter the onboard configuration screen. This will close the file so that you can remove the card safely.

We recommend that you remove files from the disk regularly as it is easy to write continuously without fragments. The more file fragments there are on an SD card, the harder it is to stream data to the card.

To set the channels you want to log, select them in the VBOX Setup Software.

The maximum number of CAN channels available for logging varies according to whether or not the Kalman Filter is enabled:

Maximum logged channels without the Kalman Filter enabled (both velocity and position set to zero) – All standard channels plus 20 CAN channels.
Maximum logged channels with the Kalman Filter enabled (and either velocity or position set to non-zero values) – All standard channels plus 10 CAN channels.