HEIDENHAIN TNC 320 (77185x-01) ISO programming - Manual (Page 288)

Programming: Q Parameters
9.9 Entering formulas directly
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TNC 320 | User's Manual for DIN/ISO Programming | 3/2014
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)