HEIDENHAIN TNC 320 (77185x-01) ISO programming - Manual (Page 250)

Programming: Q Parameters
9.1 Principle and overview of functions
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TNC 320 | User's Manual for DIN/ISO Programming | 3/2014
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)
252
Trigonometric functions 254
If/then conditions, jumps 255
Other functions 258
Entering formulas in the part
program
285
Function for machining
complex contours
See User’s
Manual for Cycles
The TNC shows the soft keys Q, QL and QR when
you are defining or assigning a Q parameter. First
press one of these soft keys to select the desired
type of parameter, and then enter the parameter
number.
If you have a USB keyboard connected, you can
press the Q key to open the dialog for entering a
formula.