Detailed description
2.1 Axis monitoring
Basic logic functions: Axis monitoring, protection zones (A3)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
35
• Transformations are active
In the case of certain transformations the monitoring of the working area limitation may
differ from the behavior without transformation:
– The tool length is a component of the transformation
(MD24... $MC_TRAFO_INCLUDES_TOOL_X = TRUE):
In this case the tool length is not considered, i.e., the monitoring refers to the tool
carrier reference point.
– Transformation with change in orientation:
In this case the monitoring always refers to the tool center point. MD21020 has no
influence.
Note
The machine data MD24... $MC_TRAFO_INCLUDES_TOOL_X is analyzed only in
certain transformations. Condition for a possible evaluation is that the orientation of
the tool with respect to the base coordinate system cannot be changed by the
transformation. With standard transformations, the condition is only fulfilled for the
"inclined axis transformation".
Effectivity
The monitoring of the working area limitation is active:
• immediately after the successful referencing of machine axis.
• in all operating modes.
Constraints
• The working area limitation must lie within the range of the software limit switch.
• PRESET
After use of the function PRESET, the monitoring of working area limitation is no longer
active. The machine must first be re-referenced.
• Endlessly rotating rotary axes
No monitoring of the working area limitation takes place for endlessly rotating rotary axes:
MD30310 $MA_ROT_IS_MODULO == 1 (Modulo conversion for rotary axis and spindle)
Exception: Setup-rotary axes
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