HEIDENHAIN iTNC 530 HSCI - Datum Tables (*.D); Freely Definable Tables

July 2013 8.5 Files 1409
8.5.1 Datum tables (*.D)
You can define up to 255 different datums in a datum table:
 In MP7226.1, define the size of the table.
With Cycle 7 DATUM SHIFT, you can enter the new datum with absolute
coordinates or specify a line number from the datum table (see the User’s
Manual).
With Modules 9092 to 9094 you can use the PLC to read from and write to the
current datum table (see "Tool and pocket table" on page 1565).
With FN17: SYSWRITE and FN18: SYSREAD you can read and overwrite values in
the datum table (OEM cycles). See pages 1725 and 1737.
MP7226.1 Size of the datum table
Input: 0 to 255 [lines]
Reference for
values in the datum
table
The values from the datum table can be interpreted with respect to the
workpiece datum or to the machine datum (MP960.x):
 Enter the datum in MP7475.
MP7475 Reference for datum table
Input: 0: Reference is workpiece datum
1: Reference is machine datum (MP960.x)
8.5.2 Freely definable tables
You can adapt tables to suit your own applications:
 Define the number and names of the fields as prototypes.
You can interrogate and edit the entries through PLC modules or through the
FN functions FN26: TABOPEN, FN27: TABWRITE and FN28: TABREAD (see the
User's Manual).
With the exception of pallet tables and cutting data tables, freely definable
tables are given the file name extension .TAB.