HEIDENHAIN iTNC 530 (340 420) ISO programming - Manual (Page 197)

HEIDENHAIN iTNC 530 197
7.
4 Miscellaneous F
unctions f
o
r Cont
our
ing Beha
vior
Effect
M120 must be located in an NC block that also contains radius
compensation G41 or G42. M120 is then effective from this block until
n
radius compensation is canceled, or
n
M120 LA0 is programmed, or
n M120 is programmed without LA, or
n Call another program with %...
M120 becomes effective at the start of block.
Limitations
n After an external or internal stop, you can only re-enter the contour
with the function RESTORE POS. AT N.
n If you are using the path functions G25 and G24, the blocks before
and after G25 or CHF must contain only coordinates of the working
plane.