Siemens SINUMERIK 840Di Function Manual page 814

Detailed Description
2.4 Frames
TRAANG
Frame expansions:
The expansions described below are only valid for the machine data
MD10602 $MN_FRAME_GEOAX_CHANGE_MODE = 1
MD10602 $MN_FRAME_GEOAX_CHANGE_MODE = 2
Translations:
On selecting traang, translations of the virtual axis are retained.
Rotations:
Rotations before the transformation are taken over.
Mirrorings:
Mirrorings of the virtual axis are taken over.
Scalings:
Scalings of the virtual axis are taken over.
2-84
Axis Types, Coordinate Systems, Frames (K2)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0