Once finished, check the card in Windows Explorer. It should appear empty but accessible.
1️⃣ You need a standard Siemens PG or a PC with a compatible PCMCIA slot (or a USB adapter). You also need the executable file (often referred to as the S7MemFormat tool). siemens mmc card format tool
Some engineers use Linux to zero out the first 1MB of the card ( dd if=/dev/zero of=/dev/sdb bs=1M count=1 ). This effectively "bricks" the card in Windows, but sometimes allows the Siemens tool to recover it. Once finished, check the card in Windows Explorer
: If you click "Format," Windows overwrites the proprietary hidden partition and registers (CID/CSD) that the Siemens CPU uses to identify the card. Once this happens, the card becomes a "dead" brick to the PLC, even though it works perfectly as a standard 16MB or 32MB card for a computer. Official Methods for "Formatting" (Resetting) You also need the executable file (often referred
allows you to format a card that is already inserted into a connected PLC. Go to the "Project tree" and select Online access Find your PLC under the relevant network card and select Online & diagnostics Navigate to the folder and select Format memory card button. Note that the CPU must be in to complete this action. "https://docs.tia.siemens.cloud". 2. Manual Reset via PLC Hardware (MRES)