Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 640)

Deskew Parameters
Chapter 36
36-14
Range
0.00000 to 214.00000 mm
or
0.00000 to 8.42520 in.
Notes
In the event that excess skew does occur, the control automatically cancels
any skew amount when E-Stop is reset. When E-Stop is reset, the slave
servo is moved to the same position as the master servo. Any difference in
following error is canceled.
This parameter 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
here applies to all of the axes assigned to that process.
END OF CHAPTER