HEIDENHAIN iTNC 530 297
9.1 Principle and Overview
Calling Q-parameter functions
When you are writing a part program, press the “Q” key (in the
numeric keypad for numerical input and axis selection, below the +/–
key). The TNC then displays the following soft keys:
Function group Soft key Page
Basic arithmetic (assign, add, subtract,
multiply, divide, square root)
Page 299
Trigonometric functions Page 301
Function for calculating circles Page 303
If/then conditions, jumps Page 304
Other functions Page 307
Entering formulas directly Page 327
Function for machining complex
contours
Cycles
Manual
Function for string processing Page 331
The TNC opens the dialog for formula entry directly when
you press the Q key on the ASCII keyboard.
In order to define or assign QL local parameters, first press
the Q key in any dialog, and then press the L on the ASCII
keyboard.
In order to define or assign QR nonvolatile parameters, first
press the Q key in any dialog, and then press the R on the
ASCII keyboard.