HEIDENHAIN TNC 640 User Manual page 453

Programming Q Parameters | Entering formulas directly
Example of entry
Calculate an angle with the arc tangent from the opposite side
(Q12) and adjacent side (Q13); then store in Q25.
Select the formula entry 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 25 (parameter number) and press the
ENT key
Shift the soft-key row and select the arc
tangentfunction
Advance through the soft key menu and press
the OPENING PARENTHESIS soft key
Enter 12 (Q parameter number)
Select division
Enter 13 (Q parameter number)
Close parentheses and conclude formula entry
Example
37 Q25 = ATAN (Q12/Q13)
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017
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