8
04.00 Tool Offsets
8.7 Free assi
nment of D numbers
cuttin
ed
e number CE
8
840D
NCU 572
NCU 573
840Di
ï›™
Siemens AG 2000. All rights reserved
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
8-295
8.7.4 Set final D numbers to invalid
Programming
DZERO
Explanation
DZERO
Marks all D number of the TO unit as invalid
Function
The command is used for support during upgrading.
Offset block marked in this way are no longer
checked by the language command CHKDNO.
To regain access, you must set the D number to
SETDNO again