Siemens SINUMERIK 840D sl Programming Manual page 789

The three geometry axis identifiers are used as index <n>. Thus, the number of active direction
offsets is determined by the geometry axes that are active at the same time.
All offsets can be active at the same time.
The online tool length offset function can be used for:
● Orientation transformation TRAORI
● Orientable toolholder TCARR
Note
Online tool length offset is an option, which must be enabled in advance. This function is
only practical in conjunction with an active orientation transformation or an active orientable
toolholder.
Syntax
TRAORI
TOFFON(<compensation direction>[,<offset value>])
WHEN TRUE DO $AA_TOFF[<compensation direction>]
...
TOFFOF(<compensation direction>)
Meaning
TOFFON:
TOFFOF:
Examples
Example 1: Selecting the tool length compensation
Program code
MD21190 $MC_TOFF_MODE = 1
MD21194 $MC_TOFF_VELO[0] =1000
MD21196 $MC_TOFF_VELO[1] =1000
MD21194 $MC_TOFF_VELO[2] =1000
MD21196 $MC_TOFF_ACCEL[0] =1
MD21196 $MC_TOFF_ACCEL[1] =1
MD21196 $MC_TOFF_ACCEL[2] =1
NC programming
Programming Manual, 12/2019, 6FC5398-2EP40-0BA0
Activate online tool length offset
<compensation
direction>:
<offset value>:
Reset online tool length offset
The compensation values in the specified compensation direction are reset and a pre-
processing stop is initiated.
; In synchronized actions.
Tool direction (X, Y, Z), in which the online tool length
offset should be active.
When activating, an offset value can be specified for
the relevant direction of compensation and this is im‐
mediately recovered.
Comment
; Absolute values are approached.
Work preparation
3.13 Tool offsets
789