Fanuc Power Mate i-D/H Operator Manual

PROGRAMMING
(Common to Power Mate i–D and –H)
B–63174EN/03
12. COMPENSATION FUNCTION
101
This section describes the tool length offset cancellation and restoration
performed when G28 or G30 is specified in tool length offset mode. Also
described is the timing of tool length offset.
(1) Tool length offset vector cancellation and restoration, performed
when G28 or G30 is specified in tool length offset mode
(2) Specification of the G43/G44 command for tool length offset A/B/C,
and independent specification of the H command
When G28 or G30 is specified in tool length offset mode, tool length
offset vectors are canceled as described below. However, the previously
specified modal G code remains displayed; modal code display is not
switched to G49.
Command Specified axis Common to type A/B/C
G28P_;
Tool length offset axis Canceled upon movement to a ref-
erence position being performed
Other than tool length off-
set axis
Not canceled
NOTE
When tool length offset is applied to multiple axes, all
specified axes involved in reference position return are
subject to cancellation.
When tool length offset cancellation is specified at the same time, tool
length offset vector cancellation is performed as indicated below.
Command Specified axis Common to type A/B/C
G49G28P_;
Tool length offset axis Canceled upon movement to an
intermediate position being per-
formed
Other than tool length off-
set axis
Canceled upon movement to an
intermediate position being per-
formed
Tool length offset vectors, canceled by specifying G28 to G30 in tool
length offset mode, are restored as described below.
Type
Bit 6 (EVO) of parameter
No.5001
Restoration block
1 Block to be buffered next
A/B
0 Block containing an H command or
G43/44 command
C
Ignored Block containing an H command
Block containing a G43P_/G44P_
command
WARNING
When tool length offset is applied to multiple axes, all axes
for which G28 or G30 are specified are subject to
cancellation. However, restoration is performed only for that
axis to which tool length offset was applied last; restoration
is not performed for any other axes.
12.1.2
G28 and G30
Commands in Tool
Length Offset Mode
Explanations
Tool length offset vector
cancellation
Tool length offset vector
restoration

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