Programming Q Parameters | Principle and overview of functions
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HEIDENHAIN | TNC 320 | ISO Programming User's Manual | 10/2017
341
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 control then displays the following soft keys:
Soft key Function group Page
Basic arithmetic (assign, add,
subtract, multiply, divide,
square root)
343
Trigonometric functions 346
If/then conditions, jumps 348
Other functions 352
Entering formulas directly 396
Function for machining
complex contours
See Cycle Program-
ming User's Manual
If you define or assign a Q parameter, then the control
shows the Q, QL and QR soft keys. You can use these
soft keys to select the desired parameter type. Then you
define the parameter number.
If you have a USB keyboard connected, you can press
the Q key to open the dialog for entering a formula.
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