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To avoid needing the format tool frequently, follow these industrial best practices.
An MMC is not just a storage device; it's the boot device. When you format a card, it is empty. If you plug an empty card into an S7-300 CPU, the CPU has no hardware configuration. It will likely go into STOP mode or report a configuration mismatch.
If a card has been accidentally formatted by Windows, it is no longer "visible" to Siemens software. In this case, you need a tool that can write a raw image file back to the card.
To avoid needing the format tool frequently, follow these industrial best practices.
An MMC is not just a storage device; it's the boot device. When you format a card, it is empty. If you plug an empty card into an S7-300 CPU, the CPU has no hardware configuration. It will likely go into STOP mode or report a configuration mismatch.
If a card has been accidentally formatted by Windows, it is no longer "visible" to Siemens software. In this case, you need a tool that can write a raw image file back to the card.
