HEIDENHAIN TNC 640, User Manual, Page: 458 / 948

Programming Q Parameters | String parameters
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HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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 )