HEIDENHAIN iTNC 530 (340 49x-05) ISO programming - Manual (Page 316)

316 Programming: Miscellaneous Functions
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.4 Miscellaneous F
unctions f
o
r Cont
our
ing Beha
vior
Delete modal program information: M142
Standard behavior
The TNC resets modal program information in the following situations:
„ Select a new program
„ Execute a miscellaneous function M2, M30, or an N99999999 %....
block (depending on MP7300)
„ Defining cycles for basic behavior with a new value
Behavior with M142
All modal program information except for basic rotation, 3-D rotation
and Q parameters is reset.
Effect
M142 is effective only in the block in which it is programmed.
M142 becomes effective at the start of the block.
Delete 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.
Effect
M143 is effective only in the block in which it is programmed.
M143 becomes effective at the start of the block.
The function M142 is not permitted during mid-program
startup.
The function M143 is not permitted during mid-program
startup.