Finding The Length Of A String Parameter - HEIDENHAIN TNC 640 User Manual

Programming Q Parameters | 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 control 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 from
which the control is to ascertain the length, 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.
HEIDENHAIN | TNC 640 | ISO Programming User's Manual | 10/2017
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