HEIDENHAIN TNC 426 (280 476) - Manual (Page 33)

HEIDENHAIN TNC 426, TNC 430 7
1
.3 Modes of Oper
ation
Programming and Editing
In this mode of operation you can write your part programs. The FK
free programming feature, the various cycles and the Q parameter
functions help you with programming and add necessary information.
If desired, you can have the programming graphics show the individual
steps, or you can use a separate screen window to prepare your
program structure.
Soft keys for selecting the screen layout
Test run
In the Test Run mode of operation, the TNC checks programs and
program sections for errors, such as geometrical incompatibilities,
missing or incorrect data within the program or violations of the work
space. This simulation is supported graphically in different display
modes.
Soft keys for selecting the screen layout: see “Program Run, Full
Sequence and Program Run, Single Block,” page 8.
Screen windows Soft key
Program
Left: program blocks, right: program structure
Left: program. Right: programming graphics