Control Expert 15.0 SP1 reports Fatal error when upgrading M340 firmware from V2.40 to V2.70.
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The validated workaround is

• Open STA file

• Export application as ZEF file

• Open this ZEF file

• Perform the replace CPU from V2.40 to V2.70 (no errors because COBID not yet performed)

• Rebuild the application

• Save STA – new STA is with V2.70 CPU

Released for:Schneider Electric India