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A common error in the "download" process is firmware mismatch. An image file often contains the firmware version that was on the original PLC. If you attempt to write an MMC image file to a card and insert it into a PLC with incompatible firmware, the CPU will reject the card. siemens mmc image file download
: Use a standard USB card reader. Warning : If Windows asks to format the card, click Cancel . Here’s a professional post you can use on
Creating a backup of a "healthy" card is the best insurance against future failure. siemens mmc image file download
