HEIDENHAIN iTNC 530 (340 49x-04) - Manual (Page 643)

HEIDENHAIN iTNC 530 643
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Checking a string parameter
With the INSTR function you can check whether a string parameter is
contained in another string parameter.
 Select Q parameter functions.
 Select the FORMULA function.
 Enter the number of the Q parameter in which the
TNC is to save the place at which the search text
begins. Confirm with the ENT key.
 Shift the soft-key row.
 Select the function for checking a string parameter
 Enter the number of the QS parameter in which the
text to be searched for is saved. Confirm with the
ENT key.
 Enter the number of the QS parameter to be
searched, and confirm with the ENT key.
 Enter the number of the place starting from which the
TNC is to search the substring, and confirm with the
ENT key.
 Close the parenthetical expression with the ENT key
and confirm your entry with the END key.
Example: Search through QS10 for the text saved in parameter
QS13. Begin the search at the third place.
If the TNC does not find the substring, it saves the value 0
in the result parameter.
If the substring is found in more than one place, the TNC
returns the first place at which it finds the substring.
37 Q50 = INSTR ( SRC_QS10 SEA_QS13 BEG2 )