HEIDENHAIN TNC 407 (243 020) Technical Manual - Manual (Page 276)

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TNC 407/TNC 415/TNC 425 6 Display and operation 4-151
6.9.2 Block numbers - step size for ISO programs
The block-number step size for ISO programs can be fixed by a machine parameter.
MP7220 Block-number step size for ISO programs
Entry: 0 to 150
6.9.3 Table size
The size of the pallet- and datum-tables can be fixed by machine parameters. For further information
about the tool-table see section "Tool changer", for pallet-table see "PLC description".
MP7226.0 Size of pallet-tables
Entry: 0 to 255 [lines]
MP7226.1 Size of datum-tables
Entry: 0 to 255 [lines]
6.9.4 Datum point for values in datum table
MP7475 is used to define whether the values in the datum table refer to the set workpiece datum or
the machine datum (MP960).
MP7475 Datum in datum table
Entry: 0 or 1
0 = Datum point is workpiece datum
1 = Datum point is machine datum