Siemens SIMATIC S7-1500 System Manual page 190

SIMATIC memory card
11.1 SIMATIC memory card - overview
Deleting the c ontents of the SIMATIC m emory card
You have the following options for deleting the contents of the SIMATIC memory card:
● Delete files using Windows Explorer
● Format with STEP 7
Not e
If you format the card with Windows utilities, 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.
Formatting the SIMATIC m emory card
Not e
You may only format a SIMATIC memory card in the CPU; otherwise, the SIMATIC memory
card cannot be used in the CPU.
If you want to format the SIMATIC memory card using STEP 7, an online connection to the
relevant CPU must exist. The relevant CPU is in the STOP mode.
Proceed as follows to format a SIMATIC memory card:
1. Open the Online and Diagnostics view of the CPU (either from the project context or via
"Accessible devices").
2. In the "Functions" folder, select the "Format memory card" group.
3. Click the "Format" button.
4. Click "Yes" in response to the confirmation prompt.
Result:
● The SIMATIC memory card is formatted for use in the CPU.
● The data on the CPU is deleted with the exception of the IP address.
You can find information on how to repair an inconsistent or incorrectly formatted card in the
following FAQ on the Internet
(https://support.industry.siemens.com/cs/ww/en/view/69063974).
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Automation system
System Manual, 09/2016, A5E03461182-AD