Siemens SINUMERIK Series Function Manual page 497

Figure 7-15
The values of the following variables are evaluated for measurement type 24:
Input variable
$AC_MEAS_VALID
$AA_MEAS_POINT1[axis]
$AC_MEAS_P1:COORD
$AC_MEAS_P2_COORD
$AC_MEAS_TOOL_MASK
$AC_MEAS_CHSFR
$AC_MEAS_NCBFR
$AC_MEAS_CHBFR
$AC_MEAS_UIFR
$AC_MEAS_PFRAME
$AC_MEAS_TYPE
* optional
The following output variables are written for measurement type 24:
Output variable
$AC_MEAS_POINT2[axis]
Extended Functions
Function Manual, 03/2013, 6FC5397-1BP40-3BA1
7.5 Setting zeros, workpiece measuring and tool measuring
Coordinate transformation of a position
Meaning
Validity bits for input variables
Position to be transformed
Default is 0: WCS, 1: BCS, 2: MCS *
Target coordinate system *
0x20; Length of the active tool is included in the coordinate
transformation of a position *
System frames from data management *
Global basic frames from the data management *
Channel basic frames from the data management *
Settable frame from data management *
1: Programmable frame is not included in calculation *
24
Meaning
Converted axis positions
M5: Measurement
497