Siemens SIMATIC S7-1500 System Manual page 310

SIMATIC memory card
14.1 SIMATIC memory card – Overview
Please also note the following FAQ on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/59457183) relating to the removal of
the SIMATIC Memory Card.
Note
Using the SIMATIC Memory Card as a firmware update card
If you use the SIMATIC Memory Card as a firmware update card, removing and inserting the
card will not result in the loss of retentive data. You can find more information in SIMATIC
Drive Controller firmware update (Page 319).
Removing a SIMATIC Memory Card from Windows computers
If you are using the card in a commercially available card reader under Windows, use the
"Eject" function before you remove the card from the card reader. If you remove the card
without using the "Eject" function, you may lose data.
Deleting content from the SIMATIC Memory Card
You have the following options for deleting the content of the SIMATIC Memory Card:
• Delete files using Windows Explorer
• Format with STEP 7
Note
If you format the card with Windows tools, you will render the SIMATIC Memory Card
unusable as a storage medium for a CPU.
Deletion of files and folders is permitted, with the exception of the "__LOG__" and
"crdinfo.bin" system files. The CPU needs these system files. If you delete the files, you will no
longer be able to use the SIMATIC Memory Card with the CPU.
If you have deleted the "__LOG__" and "crdinfo.bin" system files, format the SIMATIC Memory
Card as described in the following section.
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SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD