HEIDENHAIN TNC 320 (340 55x-04) Cycle programming User Manual
Page 326

326
Touch Probe Cycles: Automatic Datum Setting
15.5 D
A
TUM FR
OM OUTSIDE OF RECT
A
NGLE (Cy
c
le 41
1, DIN/ISO: G41
1
)
U
Traversing to clearance height Q301: Definition of
how the touch probe is to move between the 
measuring points: 
0: Move at measuring height between measuring 
points 
1: Move at clearance height between measuring 
points
U
Datum number in table Q305: Enter the datum
number in the table in which the TNC is to save the 
coordinates of the pocket center. If you enter 
Q305=0, the TNC automatically sets the display so 
that the new datum is on the stud center. Input range 
0 to 2999
U
New datum for reference axis Q331 (absolute):
Coordinate in the reference axis at which the TNC 
should set the stud center. Default setting = 0. Input 
range: –99999.9999 to 99999.9999
U
New datum for minor axis Q332 (absolute):
Coordinate in the minor axis at which the TNC should 
set the stud center. Default setting = 0. Input range: 
–99999.9999 to 99999.9999
U
Measured-value transfer (0, 1) Q303: Specify
whether the determined datum is to be saved in the 
datum table or in the preset table:
-1: Do not use. Is entered by the TNC when old 
programs are read in (see “Saving the calculated 
datum” on page 312).
0: Write determined datum in the active datum table. 
The reference system is the active workpiece 
coordinate system.
1: Write determined datum in the preset table. The 
reference system is the machine coordinate system 
(REF system).
