Positioning with manual data input (mdi) – HEIDENHAIN TNC 128 (77184x-02) User Manual
Page 314

Positioning with Manual Data Input
12.1 Programming and executing simple machining operations
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TNC 128 | User's Manual HEIDENHAIN Conversational Programming | 5/2014
12.1
Programming and executing simple
machining operations
The
Positioning with Manual Data Input mode of operation is
particularly convenient for simple machining operations or to
pre-position the tool. It enables you to write a short program
in HEIDENHAIN conversational programming and execute it
immediately. You can also call TNC cycles. The program is stored in
the file $MDI. In the
Positioning with MDI mode of operation, the
additional status display can also be activated.
Positioning with manual data input (MDI)
Limitation
The following functions are not available in the MDI
mode:
Program section repeats
Subprogramming
Path compensation
The programming graphics
Program call
PGM CALL
The program-run graphics
Select the
Positioning with MDI mode of
operation. Program the file $MDI as you wish
To start program run, press the machine START
button.