HEIDENHAIN TNC 620 Programming Station

Programming Qparameters | Principle and overview of functions
9
Calling Q parameter functions
When you are writing an NC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)
274
Trigonometric functions 277
Function for calculating circles 279
If/then conditions, jumps 280
Other functions 290
Entering formulas directly 283
Function for machining
complex contours
See the User's
Manual for
Programming
of Machining
Cycles
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 alphabetic keyboard connected via the
USB port, you can press the Q key to open the dialog for
entering a formula.
272
HEIDENHAIN | TNC620 | Klartext Programming User's Manual | 01/2022