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Unlock And Converter Mmc Image S - manchuela.wine.md

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How to Unlock and Convert MMC Image S Files

MMC Image S files are compressed files that contain the data of a Siemens SIMATIC S7 PLC memory card. These files are usually locked and encrypted to protect the intellectual property of the PLC program. However, sometimes you may need to unlock and convert these files to access or modify the PLC code. In this article, we will show you how to do that using some free tools and software.

What You Need

To unlock and convert MMC Image S files, you will need the following:

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  • A Windows PC with an SD card reader.
  • A Siemens SIMATIC S7 PLC memory card with an MMC Image S file on it.
  • The Unlock_and_converter_MMC_Image_S7_v501.rar file, which you can download from 2shared[^1^] or 2shared[^2^]. This file contains a program that can unlock and convert MMC Image S files to HEX files.
  • The Unlock_and_converter_MMC_Image_S7-ALSO-PROJECT.zi file, which you can download from CodeBus[^3^]. This file contains a project that can convert HEX files to AWL files, which are the source code files of the PLC program.
  • The SIMATIC Manager software, which you can use to open and edit AWL files. You can download this software from the Siemens website or use the CD that came with your PLC.

How to Unlock and Convert MMC Image S Files

Follow these steps to unlock and convert MMC Image S files:

  1. Insert your Siemens SIMATIC S7 PLC memory card into your PC's SD card reader.
  2. Copy the MMC Image S file from the memory card to your PC. The file name should be something like "MMC_Image_S7_300_400.img".
  3. Extract the Unlock_and_converter_MMC_Image_S7_v501.rar file to a folder on your PC. You will need a program like WinRAR or 7-Zip to do this.
  4. Run the Unlock_and_converter_MMC_Image_S7_v501.exe file in the folder. A window like this should appear: Unlock_and_converter_MMC_Image_S7_v501.exe window5. Click on the "Browse" button and select the MMC Image S file that you copied from the memory card.
  5. Click on the "Unlock" button. The program will ask you for a password. Enter "plcforum" (without quotes) and click "OK". The program will then unlock and convert the MMC Image S file to a HEX file. The HEX file name should be something like "MMC_Image_S7_300_400.hex".
  6. Extract the Unlock_and_converter_MMC_Image_S7-ALSO-PROJECT.zi file to another folder on your PC.
  7. Open the SIMATIC Manager software and create a new project.
  8. In the project tree, right-click on "Blocks" and select "Import blocks...". A window like this should appear: Import blocks window10. Click on the "Browse" button and select the HEX file that you created in step 6.
  9. Click on "OK". The program will then import and convert the HEX file to AWL files. The AWL files should appear under "Blocks" in the project tree.
  10. You can now open and edit the AWL files as you wish. You can also export them to other formats or upload them to another PLC.

Conclusion

In this article, we showed you how to unlock and convert MMC Image S files using some free tools and software. This can help you access or modify the PLC program stored on a Siemens SIMATIC S7 PLC memory card. However, please note that this process may violate the intellectual property rights of the original PLC programmer, so use it at your own risk and only for legitimate purposes. 8cf37b1e13