8. Appendix 09.01
8-44 © Siemens AG, 2001. All rights reserved
SINUMERIK 802D Milling ISO Dialect M (ISF) - Edition 09.01
List of M Commands
M0 Programmed stop
M1 Optional stop
M2 Program end (main program)
M30 Program end as for M2
M17 Subroutine end
M98 Subroutine call
M99 Subroutine end
M3 Clockwise rotating spindle
M4 Counterclockwise rotating spindle
M5 Spindle stop
M6 Tool change
M19 Spindle positioning
M70 Reserved for Siemens
M40 Automatic gearbox switching
M41 Gear stage 1
M42 Gear stage 2
M43 Gear stage 3
M44 Gear stage 4
M45 Gear stage 5
Machine OEM
The machine OEM assigns the M commands, for
example with switching functions to control clamping
devices or to activate/deactivate additional machine
functions, etc.
Please observe the details supplied by the machine
OEM.