Siemens SINUMERIK 828D Programming Manual page 129

Note
With incremental dimensions
revolutions.
Note
If position control was activated with
issued.
Note
The control detects the transition to axis mode automatically from the program sequence.
Explicit programming of M70 in the part program is, therefore, essentially no longer
necessary. However, M70 can continue to be programmed, e.g to increase the legibility of
the part program.
Examples
Example 1: Position spindle with negative direction of rotation
Spindle 2 is to be positioned at 250° with negative direction of rotation:
Program code
N10 SPOSA[2]=ACN(250)
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
7.4 Positioning spindles (SPOS, SPOSA, M19, M70, WAITS)
, spindle positioning can take place over several
IC(<value>)
prior to
SPCON SPOS
Comment
; The spindle is decelerated if necessary and
accelerated in the opposite direction to that of the
positioning movement.
, this remains active until
Feed control
is
SPCOF
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