HEIDENHAIN TNC 640 User Manual page 498

11
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 control erases a programmed basic rotation from the NC
program.
The function
startup.
Effect
M143 is effective only from the NC block in which itis programmed.
M143 becomes effective at the start of the block.
M143 deletes the entries in columns SPA, SPB, and
SPC in the preset table; reactivating the corresponding
preset table line does not activate the deleted basic
rotation.
498
Miscellaneous Functions | Miscellaneous functions for path behavior
M143 is not permitted with mid-program
HEIDENHAIN | TNC 640 | Conversational Programming User's Manual | 10/2017