Siemens SINUMERIK 840D sl Function Manual page 507

TRAFO_AXES_IN_n
Three channel axis numbers must be specified for the transformation data block n:
MD24110 $MC_TRAFO_AXES_IN_1[0]=channel axis number of the axis perpendicular to
the rotary axis.
MD24110 $MC_TRAFO_AXES_IN_1[1]=channel axis number of the rotary axis.
MD24110 $MC_TRAFO_AXES_IN_1[2]=channel axis number of the axis parallel to the
rotary axis.
Example for the configuration according to the figure "Face-end machining of turned part"
(TRANSMIT):
MD24110 $MC_TRAFO_AXES_IN_1[0]=1
MD24110 $MC_TRAFO_AXES_IN_1[1]=3
MD24110 $MC_TRAFO_AXES_IN_1[2]=2
The setting must be made before TRANSMIT or TRANSMIT(t) is activated. Axis numbers
must correspond with the channel axis sequence in
MD24120 $MC_TRAFO_GEOAX_ASSIGN_TAB_n.
For transformation type 257 the following indices apply to
MD24110 $MC_TRAFO_AXES_IN_n[ ].
Meaning of indices in relation to base coordinate system (BCS):
● [0]: Cartesian axis perpendicular to rotary axis (in machine zero position, this axis is
● [1]: Cartesian axis perpendicular to rotary axis
● [2]: Cartesian axis parallel to rotary axis (if configured)
● [3]: Linear axis parallel to index [2] in initial position of machine
Meaning of indices in relation to machine coordinate system (MCS):
● [0]: Linear axis perpendicular to rotary axis
● [1]: Rotary axis
● [2]: Linear axis parallel to rotary axis (if configured)
● [3]: Linear axis perpendicular to the axes of indices [0] and [1]
Rotational position
The rotational position of the Cartesian coordinate system is specified by machine data as
described in the following paragraph.
TRANSMIT_ROT_AX_OFFSET_t
The rotational position of the x-y plane of the Cartesian coordinate system in relation to the
defined zero position of the rotary axis is specified with:
MD24900 $MC_TRANSMIT_ROT_AX_OFFSET_t= ... °
In this case, "t" is substituted by the number of the TRANSMIT transformations declared in
the transformation data blocks (t may not be greater than 2).
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
parallel to the linear axis which is positioned perpendicular to the rotary axis)
M1: Kinematic transformation
7.2 TRANSMIT (option)
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