Siemens SINUMERIK 828D Programming Manual page 133

Position spindle from rotation (M3/M4)
When
There is no difference between
the direction selected by
deceleration takes place if necessary, and the appropriate approach direction is taken.
With
position.
Position a spindle from standstill (M5)
The exact programmed distance is traversed from standstill (
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
or is active, the spindle comes to a standstill at the programmed value.
M3 M4
/
M3
, the spindle rotates additionally to the specified value starting at the current spindle
IC
7.4 Positioning spindles (SPOS, SPOSA, M19, M70, WAITS)
and dimensioning. In both cases, rotation continues in
DC AC
until the absolute end position is reached. With
M4
Feed control
and
ACN
).
M5
,
ACP
133