Siemens SINUMERIK 828D Programming Manual page 387

Separate system frame for TOFRAME or TOROT
The frames resulting from
$P_TOOLFRAME. For this purpose, bit 3 must be enabled in machine data
MD28082 $MC_MM_SYSTEM_FRAME_MASK. The programmable frame remains
unchanged. Differences occur when the programmable frame is processed further
elsewhere.
References
For further information about machines with orientable toolholder, see:
● Programming Manual, Job Planning; Chapter: "Tool orientation"
● Function Manual, Basic Functions; Tool Offset (W1),
Fundamentals
Programming Manual, 07/2010, 6FC5398-1BP40-0BA0
12.8 Frame generation according to tool orientation (TOFRAME, TOROT, PAROT)
Chapter: "Toolholder with orientation capability"
or can be written in a separate system frame
TOFRAME TOROT
Coordinate transformations (frames)
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