Example customization – Yaskawa MotionWorks IEC Toolboxes User Manual
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File_RW Toolbox: Function Blocks
MotionWorks IEC61131-3 Toolboxes: 2013-09-13
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NoDataError - The End Of File was reached, but the record count is zero
TooManyRecords - DataType is not large enough
MaxNotDefined - User must set the maximum number of records that can be added to
structure.
No Carriage return found in CSV buffer. The function searched the file for twice the length
of the specified buffer and was unable to find a carriage return indicating the end of a row.
Either the buffer size is too small, or the data is invalid.
Example Customization
Read_CSV_File must be customized to accommodate your data. Some supporting functions used by
Read_CSV_File (ReadBuffer and ReadValue) do not require customization and can remain in the
File_RW_Toolbox. To effectively use this function, follow these steps:
1) Copy & paste the MyDataStruct and associated datatypes into your project, and rename them to avoid
conflict with MyDataStruct in the File_RW_Template.
2) Modify the "MyData" dataType definition shown above such that it represents the number of columns and the
relevant datatypes. An example follows: