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do you have SD card in your PM 554? If not, it is not possible.
The program could be upload from cpu only if during programmation the authors has saved the source in the SD card inside the cpu.
Hope this help you
This is a really common question, and Flavio is correct.
- You CANNOT recover the source code from the complied program running in the CPU.
- You can recover a backup copy of the source code IF it was stored on an SD card on the PLC.
Please refer the attached image.
you can upload from codesys also.
when you select open option in codesys , you will find open from plc tab.
However i have never tried with ABB PLC.
But in some PLC you can upload program from codesys.