HEIDENHAIN iTNC 530 (34049x-08) Cycle programming - Manual (Page 282)

282 Cycles: coordinate transformations
11
.3
D
A
TUM
SHIFT
with
D
at
u
m
Ta
bles
(Cy
cle
7,
DIN/ISO:
G53)
Cycle parameters
 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:
 Select the functions for program call: Press the PGM
CALL key
 Press the DATUM TABLE soft key

Press the WINDOW SELECTION soft key: The TNC
superimposes a window where you can select the
desired datum table
 Select the desired datum table with the arrow keys or
by mouse click and confirm by pressing ENT: The
TNC enters the complete path name in the SEL TABLE
block
 Conclude this function with the END key
Alternatively you can also enter the table name or the complete path
name of the table to be called directly via the keyboard.
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.
You can define datum tables and datum numbers in an NC
block with the TRANS DATUM TABLE function (see
Conversational Programming User's Manual).