FAQ: How is the download error “The sum of static data size and dynamic data size exceeds the physical available data memory size” fixed?
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This error is usually generated when retained variables are included in a project and the controller does not support them. The Sigma-7Siec controller does not support retained variables, and the user cannot add them directly; however, retained variables can be added inadvertently by including a user library which employs retain variables.
This error is most commonly caused by including the AbsolutePositionManager function block (from the PLCopen_Toolbox) in the project. To clear the error:
1. Remove the AbsolutePositionManager function block.
2. Delete the variable of Data Type AbsolutePositionManager that was created when the function block was added.
3. Recompile the project.
Note: This error can also be caused by any user library that is included and contains retained variables.
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