Backing up data and series commissioning
9.1 Saving settings on a memory card
Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
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Safely remove the memory card
Data loss from improper handling of the memory card
If you remove the memory card when the converter is switched on without implementing the
"safe removal" function you may destroy the file system on the memory card. The data on
the memory card are lost. The memory card will only function again after formatting.
• Only remove the memory card using the "safe removal" function.
To remove the memory card safely from the control unit, proceed as follows using the IOP:
1. Set P9400 to 2.
2. Check the value of parameter P9400.
3. If P9400 = 3, you can safely remove the memory card.
4. Remove the Control Unit from the Power Module.
5. Remove the memory card.
6. Reattach the Control Unit to the Power Module.
You have now safely removed the memory card from the Control Unit.
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