Selecting a datum table in the part program – HEIDENHAIN TNC 640 (34059x-05) Cycle programming User Manual

Page 258

Cycles: Coordinate Transformations

10.3

DATUM SHIFT with datum tables (Cycle 7, DIN/ISO: G53)

258

TNC 640 | User's Manual Cycle Programming | 1/2015

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

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

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.

Edit the datum table in the Programming mode of
operation

After you have changed a value in a datum table, you
must save the change with the

ENT key. Otherwise

the change might not be included during program
run.

Select the datum table in the

Programming mode of operation

Call the file manager: Press the

PGM MGT key

Display the datum tables: Press the

SELECT TYPE

and

SHOW .D soft keys

Select the desired table or enter a new file name.

Edit the file The functions displayed in the soft-key
row for editing include: