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106
In addition to G90, the absolute coordinate system is put into effect when a REF-
ERENCE ORIGIN RETURN (G26), WORKPIECE ORIGIN RETURN (G27), or
ORIGIN SEARCH (G28) function is executed.
Example Program
The following example shows the different axis operations with absolute and
incremental specifications.
:
:
N010
G90
N011
G01
X50
Y50
N012
G01
X100
Y20
:
:
The axis operation would be performed on
this path with incremental specification.
5-5-30 G91: INCREMENTAL SPECIFICATION
Specifies the use of relative coordinates in axis operations.
Format
G91
Parameters
None
Description
This function specifies that positioning axis operations are performed relative to
the current position. After this function is executed, the coordinate data in axis
movement commands is treated as the distance to be moved from the current
position.
Example Program
The following example shows the different axis operations with absolute and
incremental specifications.
:
:
N010
G91
N011
G01
X50
Y50
N012
G01
X100
Y20
:
:
The axis operation would be performed
on this path with absolute specification.
G Functions
Section 5-5
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