Siemens SINUMERIK 840D sl Programming Manual page 1219

Operation Type
for explanations, see legend (Page 1197).
1) 2) 3) 4) 5)
LEAD A
LEADOF P
LEADON P
LENTOAX
LFOF G
6)
LFON G
LFPOS G
LFTXT G
6)
LFWP G
LIFTFAST K
LIMS K
LLI K
LN
LOCK P
LONGHOLE C (T) Elongated hole
LOOP K
Operations M ... R
Operation Type
for explanations, see legend (Page 1197).
1) 2) 3) 4) 5)
M0
M1
M2
M3
M4
M5
M6
M17
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Meaning
1)
Lead angle
1st basic tool orientation
2nd orientation polynomials
Axial master value coupling OFF
Axial master value coupling on
F Provides information about the assignment of
tool lengths L1, L2, and L3 of the active tool to
the abscissa, ordinate and applicate
Fast retraction for thread cutting OFF
Fast retraction for thread cutting ON
Retraction of the axis declared with POLF‐
MASK or POLFMLIN to the absolute axis po‐
sition programmed with POLF
The plane of the retraction movement for fast
retraction is determined from the path tangent
and the current tool direction
The plane of the retraction movement for fast
retraction is determined by the current work‐
ing plane (G17/G18/G19)
Fast retraction
Speed limitation
for G96/G961 and G97
Lower limit value of variables
F Natural logarithm
Disable synchronous action with ID
(stop technology cycle)
Introduction of an endless loop
Meaning
1)
Programmed stop
Optional stop
End of program, main program (as M30)
CW spindle rotation
CCW spindle rotation
Spindle stop
Tool change
End of subprogram
W TP SA Description see
2) 3) 4)
m + PM-NC
+ + PM-NC
+ + PM-NC
+ - PM-NC
m + PM-NC
m + PM-NC
m + PM-NC
m + PM-NC
m + PM-NC
+ PM-NC
m + PM-NC
+ PM-NC
+ + PM-NC
- + FM-SA
+ PM-NC
+ PM-NC
W TP SA Description see
2) 3) 4)
+ + PM-NC
+ + PM-NC
+ + PM-NC
+ + PM-NC
+ + PM-NC
+ + PM-NC
+ + PM-NC
+ + PM-NC
Tables
4.1 Operations
5)
5)
1219