HEIDENHAIN iTNC 530 (340 49x-04) Touch Probe Cycles - Manual (Page 98)

98 3 Touch Probe Cycles for Automatic Workpiece Inspection
3.2 Pr
eset
ting aut
o
matically
 Datum number in table Q305: Enter the number in the
datum or preset table in which the TNC is to save the
coordinate. If you enter Q305=0, the TNC
automatically sets the display so that the new datum
is on the probed surface.
 New datum for touch probe axis Q333 (absolute):
Coordinate in the touch probe axis at which the TNC
should set the datum. Basic setting = 0
 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 69).
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).
Example: NC blocks
5 TCH PROBE 417 DATUM IN TS AXIS
Q263=+25 ;1ST POINT 1ST AXIS
Q264=+25 ;1ST POINT 2ND AXIS
Q294=+25 ;1ST POINT 3RD AXIS
Q320=0 ;SET-UP CLEARANCE
Q260=+50 ;CLEARANCE HEIGHT
Q305=0 ;NO. IN TABLE
Q333=+0 ;DATUM
Q303=+1 ;MEAS. VALUE TRANSFER