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Upload from S7-300 has no symbols or comments, only absolute addresses

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(@mtl514)
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Joined: 2 years ago
Posts: 0
Topic starter   [#112]

The old programming laptop died, hard drive gone, and no backup anyone can find. The machine is a granulator with a CPU 315-2 DP, still running fine.

Got STEP 7 V5.6 on a new laptop and did Upload station to PG. All the blocks came in, but every one of them is just DB1.DBX0.0, M10.3, I4.5, no names, no comments, no network titles. Its unreadable. I tried PLC, Upload from the blocks folder, and an upload with the CPU in STOP as well, same both times.

Is there a setting to upload with symbols that I'm missing? Or is the CPU missing a memory card that held them? There's an MMC in it, 512 KB I think. Could someone explain what actually lives in the CPU and what only ever lived on that dead laptop?


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