Rockwell Automation 8520-MUM 9/Series CNC Mill Operation and Programming Manual Documentation Set - Manual (Page 319)

Coordinate System Offsets
Chapter 11
11-3
Important: The control must be in absolute mode (G90) when the G53
command is executed. If a G53 is executed while in incremental mode
(G91), the G53 code and any axis words in the G53 block will be ignored
by the control.
Example 11.1
Motion in the Machine Coordinate System
Program Block Comment
N1G54G00X30.Y30.; axis motion in work
coordinate system.
N2 G53X10.Y25.; axis motion in machine
coordinate system.
N3 X50.Y20.; axis motion in work
coordinate system.
Figure 11.2
Results of Example 11.1
N2
N3
N1
Work coordinate system
Machine coordinate system
Axis motion in machine
coordinate system
Axis motion in work
coordinate system
Y Y
X
X
10 20 30 40 50 60 70 80
30 50
50
40
30
20
10
30
20