Hello.
What is your PLC, Siemens?
Can you Reset this error, if you switch Pre-Op and Op over the Drive Engnineering without Reboot?
What happens if the PLC runs before the drive starts, then it´s works?
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There exist a initialize method to parametrize the drive correctly, alternative use one time the dotnet example DriveTool.exe to make this initialization of the drive.
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