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"Store DTI to File" Ladder function


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Why is it, when I execute this instruction with parameter D set to 0, that I get an error code -31, Number of lines in file is 0., and no file is created?

According to the help file, setting this to 0, should write entire data table.

I'm using ver. 1.21.51

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I'm checking this issue for you.

I think it is a "bug" in the help, but I'm also checking if maybe it's just not working correctly in the PLC, or this feature was not implemented.

You can however use the number of rows from the table itself, for example: Table1.Number of rows

 

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