HEIDENHAIN TNC 620 (340 56x-02) Cycle programming User Manual
Page 347

HEIDENHAIN TNC 620
347
15.1
0
D
A
TUM CIR
C
LE CENTER (Cy
c
le 416, DIN/ISO: G416)
U
Datum number in table Q305: Enter the number in
the datum or preset table in which the TNC is to save
the coordinates of the bolt-hole circle center. If you
enter Q305=0, the TNC automatically sets the display
so that the new datum is on the bolt hole 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 bolt-hole 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 bolt-hole 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).