Siemens SINUMERIK 840D sl Function Manual page 871

Frame expansions:
The expansions described below are only valid for the machine data
$MN_FRAME_GEOAX_CHANGE_MODE = 1
$MN_FRAME_GEOAX_CHANGE_MODE = 2
The selection of transformation TRANSMIT produces a virtual geometry axis, coupled by way
of the rotary axis, which is merely included in the contour frame but does not have a
reference to an axial frame. The geometric value results from the rotation of a rotary axis. All
other geometry axes accept their axial components when the transformation is selected.
Translations:
On selecting transmit, translations of the virtual axis are deleted. Translations of the rotary
axis can be taken into account in the transformation.
Rotations:
Rotations before the transformation are taken over.
Mirrorings:
Mirrorings of the virtual axis are deleted. Mirrorings of the rotary axis can be taken into
account in the transformation.
Scalings:
Scalings of the virtual axis are deleted. Scalings of the rotary axis can be taken into account
in the transformation.
Basic logic functions: Axes, coordinate systems, frames (K2)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Detailed description
2.4 Frames
87