Rockwell Automation 8520-GUM 9/Series CNC Grinder Operation and Programming Manual Documentation Set - Manual (Page 323)

Chapter 11
Coordinate Control
11-7
To change work coordinate systems, specify the G code corresponding to
the work coordinate system in a program block. Any axis motion
commands in a block that contains a change from one work coordinate
system to another are executed in the work coordinate system specified in
that block.
Example 11.2
Changing Work Coordinate Systems
Program Block Comment
G54;
G00X20.Z20.; axis motion in the G54 work coordinate system.
G55X10.Z10.; axis motion to the point X10. Z10. in the G55 work coordinate system.
X2.Z3.; axis Motion in the G55 work coordinate system.
Figure 11.6
Results of Example 11.2
3 10
2
10
G55 Work Coordinate System
20
20
G54 Work Coordinate System
Z
X
Z
X
12172-I