Siemens SINUMERIK 840Di sl Function Manual page 57
Synchronized actions, ncu system software
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Also See for SINUMERIK 840Di sl:
- Commissioning manual (632 pages) ,
- Programming manual (560 pages) ,
- Operating manual (470 pages)
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$AC_VACTB and $AC_VACTW as input variable for synchronized actions and output are
disabled via the options bit ("Feedrate-dependent analog value control" → laser power
control)!
$AA_OFF, position offset as output variable for synchronized actions for clearance control is
disabled via the options bit!
Velocity control with the machine data:
MD32070 $MA_CORR_VELO (axis velocity for override)
Response of $AA_OFF in SW 6 and later
After RESET the position offset can still be retained
Previously, during a RESET the position offset of $AA_OFF was deselected. In the case of
static synchronized actions IDS = <Number> DO $AA_OFF = <Value>, this behavior leads to
an immediate renewed overlaid movement with the interpolation of a position offset, the
behavior of RESET can be set with the following machine data:
MD36750 $MA_AA_OFF_MODE (Effect of value assignment for axial override in case of
synchronized actions)
Bit1 = 0: $AA_OFF is deselected in case of RESET
Bit1 = 1: $AA_OFF iis maintained after RESET
Overlaid movement in the modeJOG
Also in JOG mode, if $AA_OFF changes, an interpolation of the position offset can be set as
an overlaid movement via the following machine data:
MD36750 $MA_AA_OFF_MODE (Effect of value assignment for axial override in case of
synchronized actions)
Bit2 = 0: no overlaid movement owing to $AA_OFF
Bit2 = 1: an overlaid movement owing to $AA_OFF
If a position offset is interpolated on the basis of $AA_OFF, a mode change can only occur
after JOG once the interpolation of the position offset is complete. Otherwise, alarm 16907 is
signaled.
Activation/Deactivation
The programmed conditions of the current motion-synchronous actions are recorded in
interpolation time, until the conditions are met or the end of the subsequent block is reached
with the machine in operation.
In software version 3.2 and later, the introduction of an $$ main variable approved for
synchronized actions results in a comparison of the synchronization conditions in
interpolation time in the main run.
Synchronized actions
Function Manual, 11/2006, 6FC5397-5BP10-2BA0
Detailed description
2.4 Actions in synchronized actions
57
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