HEIDENHAIN TNC 640 (34059x-01) Cycle programming - Manual (Page 248)

248 Cycles: Coordinate Transformations
1
1
.3 D
A
TUM SHIFT with D
a
tu
m T
a
bles (Cy
c
le
7,
DIN/ISO:
G53)
Cycle parameters
U Datum shift : Enter the number of the datum from the
datum table or a Q parameter. If you enter a
Q parameter, the TNC activates the datum number
entered in the Q parameter. Input range: 0 to 9999
Selecting a datum table in the part program
With the SEL TABLE function you select the table from which the TNC
takes the datums:
U To select the functions for program call, press the
PGM CALL key.
U Press the DATUM TABLE soft key
U Select the complete path name of the datum table or
the file with the SELECT soft key and confirm your
entry with the END key.
Example: NC blocks
77 CYCL DEF 7.0 DATUM SHIFT
78 CYCL DEF 7.1 #5
Program a SEL TABLE block before Cycle 7 Datum Shift.
A datum table selected with SEL TABLE remains active until
you select another datum table with SEL TABLE or through
PGM MGT.