Recommended Method Of Handling Compactflash Cards; Card Reader For Cf Cards - Siemens SIMOTION D410 Series Commissioning Manual

Maintenance and service
5.5 SIMOTION CompactFlash Card
Detailed information on the CompactFlash Card, bootloader version, SIMOTION D410
hardware, and SIMOTION firmware version compatibility relationships can be found in the
software compatibility list. This list is available both in the documentation supplied on the
SIMOTION SCOUT DVD (\1_Important\English\Compatibility\...) and on the Internet at
Internet address (http://support.automation.siemens.com/WW/view/en/18857317).
NOTICE
Note that CompactFlash Cards for SIMOTION D410-2 and D4x5-2 may have a different
boot loader!
5.5.5

Recommended method of handling CompactFlash Cards

Handling CF cards correctly
The following points should be noted when handling the CompactFlash Card:
● The CF card may only be inserted or removed when the system is de-energized.
● CompactFlash Cards cannot be rewritten as many times as the user wishes.
● Switching off the SIMOTION D Control Unit during write accesses to the CF card must be
5.5.6

Card reader for CF cards

Because of the quickly changing market and the large differences in the quality of card
readers, no specific recommendation can be made (except for the following card reader).
If problems occur identifying the CF card, this may be due to an incorrect power up of the
card reader.
Designation and ordering data
Card reader for CF/SD memory media,
with USB connection
Order number: 6FC5 335-0AA00-0AA0
196
With this in mind, it is better if you avoid writing user data from the application to the
CompactFlash Card on a cyclical basis. Depending on the system, a writing process from
the application may trigger one or more writing processes on the CompactFlash Card.
Therefore, we recommend you adopt a conservative approach in terms of the number of
writing processes. In other words, do not perform more than 100,000 write access
instances from the user program over the estimated service life of the application.
avoided at all costs (examples of write accesses to the CF card: "Copy RAM to ROM",
savePersistentMemoryData, _saveUnitDataSet, _exportUnitDataSet, etc.). In the worst
case scenario, switching off the SIMOTION D Control Unit during write access can
damage the file system on the CF card. In this case, the CF card must be reformatted
and the firmware/user data reloaded. During this process the licenses remain on the
CF card.
SIMOTION D410
Commissioning Manual, 02/2012