HEIDENHAIN TNC 640 (34059x-02) ISO programming - Manual (Page 290)

Programming: Q Parameters
9.9 Entering formulas directly
9
290
TNC 640 | User's Manual for DIN/ISO Programming | 5/2013
Programming example
Calculate an angle with the arc tangent from the opposite side
(Q12) and adjacent side (Q13); then store in Q25.
To select the formula entering function, press
the Q key and the FORMULA soft key, or use the
shortcut:
Press the Q key on the ASCII keyboard
PARAMETER NUMBER FOR RESULT?
Enter parameter number 25 and press the ENT
key.
Shift the soft-key row and select the arc tangent
function
Shift the soft-key row and open the parentheses
Enter Q parameter number 12
Select division
Enter Q parameter number 13
Close parentheses and conclude formula entry
Example NC block
37 Q25 = ATAN (Q12/Q13)