Positioning From Rotation - Siemens SINUMERIK 840D Function Manual

S1: Spindles
18.2 Operating modes
With:
With ACC[S<n>]=0, the configured acceleration takes effect.
Aborting the positioning process
The positioning action is aborted:
● By the NC/PLC interface signal:
DB31, ... DBX2.2 (delete distance-to-go / spindle reset).
● With every reset (e.g. operator panel front reset).
● Through NC stop.
The abort response in independent of the machine data:
MD35040 $MA_SPIND_ACTIVE_AFTER_RESET (individual spindle reset)
Special features
The spindle override switch is valid.
18.2.5.2

Positioning from rotation

Initial situation
The spindle can be in speed control mode or in position control mode when positioning starts
(SPOS, M19 or SPOSA command in the program).
One must distinguish between the following cases:
Case 1:
Case 2:
Case 3:
Case 4:
746
Spindle number
<n>:
Acceleration as a percentage of the configured acceleration
<value>
:
Spindle in speed control mode, encoder limit frequency exceeded
Spindle in speed control mode, encoder limit frequency not exceeded
Spindle in position control mode
Spindle speed ‹ Position-control activation speed
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA