Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 443)

Power-up G-code Parameters
Chapter 19
19-11
Function
Use this parameter to selects the default G-code for modal group 4.
The G-code you select specifies which Programmable Zone will
automatically activate upon power up or reset.
Axis Parameter Number
Single Process Process 1 Process 2
All [524] [20524] [21524]
Range
Selection Result
(a) G22 -- Zones 2 & 3 Active
(b) G22.1 -- Zone 2 Inactive, Zone 3 Active
(c) G23 -- Zones 2 & 3 Inactive
(d) G23.1 -- Zone 2 Active, Zone 3 Inactive
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.
19.10
PTO G-code For Modal
Group 4