Siemens SINUMERIK 840Di sl Function Manual page 62
Synchronized actions, ncu system software
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- Commissioning manual (632 pages) ,
- Programming manual (560 pages) ,
- Operating manual (470 pages)
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Detailed description
2.4 Actions in synchronized actions
Note
Online tool length offset is an option and must be enabled beforehand.
For further information regarding the activation of the function in the part program, see:
References:
/PGA/Programming Manual Work Preparation; Chapter Transformations "TOFFON,
TOFFOF"
Applications in synchronized actions
The tool length offsets are included via a synchronized action variable $AA_TOFF[ ]. This
variable is 3 dimensional corresponding to the three tool axes.
The three geometrical axis labels (tags) X, Y, Z are used as index. This defines the number
of active directions of compensation by the geometry axes active at the same time. All
offsets can be active at the same time.
For an active orientation transformation or for an active tool carrier that can be oriented,
these offsets are effective in the particular tool axes. Before switching on or switching off a
transformation, an overlaid motion must be switched out using TOFFOF().
Once the "online tool length offset" has been deselected for a tool direction, the value of
system variable $AA_TOFF[ ] or $AA_TOFF_VAL[ ] is zero for this tool direction.
Mode of operation of the offset in the tool axis
The tool length offsets do not change the tool parameters, but are taken into account within
the transformation or the tool carrier that can be orientated, so that offsets are obtained in
the tool coordinate system. Machine data MD 21190 MC_TOFF_MODE (mode of operation
of offset in the tool axis) and bits 1 to 3 can be used to specify whether the contents of the
three components of the synchronized action variable $AA_TOFF[ ]
• Bits 1 to 3 = 0: are to be applied as an absolute value, or whether
• Bits 1 to 3 = 1: an integrating behavior is to occur.
The integrating behavior of $AA_TOFF[ ] allows 3D remote control. The value that has been
reached, integrating, can be read using variable $AA_TOFF_VAL[ ].
62
Function Manual, 11/2006, 6FC5397-5BP10-2BA0
Synchronized actions
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