HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 430)

Programming: Special functions
11.9 Freely definable tables
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TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
FN 26: TABOPEN – Open a freely definable table
With the function
FN 26: TABOPEN you open a freely definable
table to be written to with
FN 27 or to be read from with FN 28.
Only one table can be open in an NC program. A new
block with
FN 26: TABOPEN automatically closes the
last opened table.
The table to be opened must have the file name
extension .TAB.
Example: Open the table TAB1.TAB, which is saved in the
directory TNC:\DIR1.
56 FN 26: TABOPEN TNC:\DIR1\TAB1.TAB