HEIDENHAIN TNC 640 (34059x-05) - Manual (Page 385)

Miscellaneous functions for path behavior 10.4
10
TNC 640 | User's Manual
HEIDENHAIN Conversational Programming | 1/2015
385
Deleting basic rotation: M143
Standard behavior
The basic rotation remains in effect until it is reset or is overwritten
with a new value.
Behavior with M143
The TNC erases a programmed basic rotation from the NC
program.
The function M143 is not permitted during mid-
program startup.
Effect
M143 is effective only in the block in which it is programmed.
M143 becomes effective at the start of the block.