HB700 | CPU | PMC921xEx | en | 24-04 125
Deployment CPU iC921xM-FSoE
Memory management > Slot for Yaskawa SD card
7. Switch on the power supply of the CPU again.
🡆 The CPU starts in Standard Mode again. If a project was loaded in
Safe Mode, it
is executed in RUN operating mode.
5.6.2 Slot for Yaskawa SD card
■ You can only insert a Yaskawa SD card with a valid license file in this slot.
■ In the WBM at ‘Security 🠂 SD Card’, you can enable or disable the use of the SD card
and call up information about it. By default, the use of the SD card is enabled. ⮫‘SD
Card’...page 197
■ An inserted Yaskawa SD card is only recognized by the CPU after PowerON.
■ If a new, unused Yaskawa SD card is detected after PowerON, the overlay file system
with user program, configurations, user data and firmware adjustments, is moved
from the internal parametrization memory to the
Yaskawa SD card and deleted in
the internal parametrization memory. The CPU uses the overlay file system on the
Yaskawa SD card, now.
■ If, after PowerON, an Yaskawa SD card is recognized on which there is already an
overlay file system
, the overlay file system is deleted in the internal parametriza-
tion memory without being moved. The CPU uses the existing overlay file system on
the Yaskawa SD card, now.
WARNING
Data loss - card removal only when the power supply is switched off!
− Only remove the Yaskawa SD card when the power supply of the CPU is
switched of
f. Otherwise this will lead to data loss!
− If you remove the SD card during operation, the safety CPU switches to
the safe state (failure State).
NOTICE
Project deletion possible when inserting the SD card
Please note the following points if you only use the internal flash memory of
the CPU:
− Take mandatory organisational measures that prevent the deletion of the
safety-related and non-safety-related project.
− If you insert an SD card while the safety CPU is in operation, the safety-
related and non-safety-related project on the internal flash memory will
be deleted after a power reset or a restart of the system. In addition, a
safety-related project that may be present on the SD card could be loaded
into the safety CPU with a dif
ferent CRC checksum.