HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 68)

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3.1 Pr
ogr
amming and Ex
ecuting
Simple Mac
h
ining Oper
ations
3.1 Programming and Executing
Simple Machining Operations
The Positioning with Manual Data Input mode of operation is
particularly convenient for simple machining operations or pre-
positioning of the tool. You can 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 displays
can also be activated.
Positioning with Manual Data Input (MDI)
Select the Positioning with MDI mode of operation.
Program the file $MDI as you wish.
To start program run, press the machine START key.
Constraints:
The following functions are not available in the MDI mode:
„ FK free contour programming
„ Program section repeats
„ Subprogramming
„ Path compensation
„ The programming graphics
„ Program call PGM CALL
„ The program-run graphics