Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 436)

Power-up G-code Parameters
Chapter 19
19-4
Function
This parameter selects the default G-code for modal group 6. The selected
G-code specifies whether the control operates under inch or metric mode at
power -up only. A control reset will not re-establish this mode. The last
programmed state remains in effect.
Lathe
A
Lathe
B
Lathe
C
Mill
Control
Surface
Grinder
Cylindrical
Grinder
Active Mode
G20 G20 G70 G20 G70 G70 Inch system
G21 G21 G71 G21 G71 G71 Metric system
Axis Parameter Number
Single Process Process 1 Process 2
All [526] [20526] [21526]
Range
Selection Result
(a) Inch mode
(b) Metric mode
Notes
This is a global parameter. The value set here applies to all axes.
For dual--processing controls, this is a per process parameter. The value set
in the parameters applies to all of the axes assigned to that process.
19.3
PTO G- code For Modal
Group 6