Siemens SINUMERIK 840D sl Programming Manual page 214

Measuring Cycles for Milling and Machining Centers
5.8 CYCLE961 workpiece: Setup inside and outside corner
Parameter
_SETV[4]
1) Transformation deactivated, otherwise basic coordinate system.
The following additional parameters are also valid:
_VMS, _PRNUM and _NMSP.
See also
Variable measuring velocity: _VMS (Page 76)
Probe type, probe number: _PRNUM (Page 79)
Multiple measurement at the same location: _NMSP (Page 81)
214
Data type Meaning
REAL
Selection of offset:
Values: 1: Measured corner entered as zero point
2: Measured corner is entered as zero point in abscissa
offset by _SETV[2]
3: Measured corner is entered as zero point in both axes
offset by _SETV[2] (abscissa) and _SETV[3] (ordinate) .
4: Measured corner is entered as zero point in ordinate
offset by _SETV[3].
Programming Manual, 03/2009 Edition, 6FC5398-4BP10-2BA0
Measuring cycles