HEIDENHAIN TNC 620 User Manual page 368

9
Programming Q parameters
9.10 String parameters
Finding the length of a string parameter
The STRLEN function returns the length of the text saved in a
selectable string parameter.
Select Q parameter function
Press the FORMULA soft key
Enter the number of the Q parameter in which
the TNC is to save the ascertained string length.
Confirm with the ENT key
Shift the soft-key row
Select the function for finding the text length of a
string parameter
Enter the number of the QS parameter whose
length the TNC is to ascertain, and confirm with
the ENT key
Close the parenthetical expression with the ENT
key and confirm your entry with the END key
Example: Find the length of QS15
N37 Q52 = STRLEN ( SRC_QS15 )
If the selected string parameter is not defined the
control returns the result -1.
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016