HEIDENHAIN TNC 620 Programming Station, User Manual

Page: 368 / 695

Programming Q parameters
9.10 String parameters
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HEIDENHAIN | TNC 620 | ISO Programming User's Manual | 9/2016
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
.