HEIDENHAIN TNC 640 User Manual page 458

10
Copying a substring from a string parameter
The SUBSTR function copies a definable range from a string
parameter.
Show the soft-key row with special functions
Open the function menu
Press the String functions soft key
Press the STRING FORMULA soft key
Enter the number of the string parameter in
which the control is to save the character string.
Confirm with the ENT key.
Select the function for cutting out a substring
Enter the number of the QS parameter from
which the substring is to be copied. Confirm with
the ENT key
Enter the number of the place starting from
which to copy the substring, and confirm with
the ENT key
Enter the number of characters to be copied, and
confirm with the ENT key
Close the parenthetical expression with the ENT
key and confirm your entry with the END key
The first character of a text string starts internally at the
0-position
Example: A four-character substring (LEN4) is read from the
string parameter QS10 beginning with the third character
(BEG2)
37 QS13 = SUBSTR ( SRC_QS10 BEG2 LEN4 )
458
Programming Q Parameters | String parameters
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017