HEIDENHAIN TNC 620 (340 56x-01) - Manual (Page 349)

HEIDENHAIN TNC 620 349
8.7 Coor
dinat
e
T
ransf
or
mation Cy
cles
DATUM SETTING (Cycle 247)
With the Cycle DATUM SETTING, you can activate as the new datum
a preset defined in a preset table.
Effect
After a DATUM SETTING cycle definition, all of the coordinate inputs
and datum shifts (absolute and incremental) are referenced to the new
preset.
 Number for datum?: Enter the number of the datum to
be activated from the preset table
Status display
In the additional status display (POS. DISP. STATUS) the TNC shows
the active preset number behind the datum dialog.
Example: NC blocks
13 CYCL DEF 247 DATUM SETTING
Q339=4 ;DATUM NUMBER
Z
Z
X
X
Y
Y
When activating a datum from the preset table, the TNC
resets the active datum shift.
If you activate preset number 0 (line 0), then you activate
the datum that you last set in a manual operating mode.
Cycle 247 is not functional in Test Run mode.