The software will scan specific blocks (such as the System Data Blocks or SDBs). Any active passwords found will display on screen. Technical Specifications and Compatibility Specification Siemens S7-300, S7-400 series Supported Card Sizes 64 KB, 128 KB, 512 KB, 2 MB, 4 MB, 8 MB Output Formats .img , .s7img , .bin , .wld OS Compatibility Windows 7, Windows 10, Windows 11 (32-bit/64-bit) Safety and Best Practices

: Siemens MMCs have unique CID and CSD registers that identify them as official hardware. You cannot simply use a standard consumer MMC card even if you successfully write an image to it. 📥 Where to Download

You inherited a machine from a defunct OEM (Original Equipment Manufacturer). The PLC is password-protected. You cannot upload the block. The only solution is to read the MMC card, extract the image, and use a converter to nullify the password bytes in the hex code.

Use the function to translate the raw sector data into a readable directory structure.

Save a byte-for-byte .img or .s7img replica of the card.

Choose to process the block structures into configurations readable by simulation tools.

Before downloading, ensure you have:

After conversion:

Bypasses the need for original project source files to retrieve access credentials. www.runmode.com 📥 Acquisition and Safety Siemens does

The tool will process the image, looking for the System Data blocks which contain the password information.