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What causes Concept error "807 Wrong controller type selected"?

   Error message is displayed when trying to connect to the PLC.

   The configuration of the project is not compatible with the PLC.

   1/  Make sure that the PLC chosen in the Project's PLC type configuration matches that of the target PLC.
   2/  Make sure that the type of firmware (IEC or LL984) in the PLC is the same as the firmware type of the Project's PLC.
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