HEIDENHAIN TNC 620 (81760x-01) - Manual (Page 274)

Programming: Q Parameters
9.1 Principle and overview of functions
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TNC 620 | User's Manual
HEIDENHAIN Conversational 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)
276
Trigonometric functions 278
Function for calculating circles 279
If/then conditions, jumps 280
Other functions 284
Entering formulas in the part
program
315
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.