Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 143)

Zone/Overtravel Parameters
Chapter 6
6-17
Function
Use this parameter to specify the second axis you will check for the current
process. The second axis is usually the cross-slide axis and must be parallel
to the second axis of the other process.
Axis Parameter Number
Process 1 Process 2
All [20221] [21221]
Range
Selection Result Selection Result Selection Result
(a) A (f) W (k) $C
(b) B (g) X (l) $X
(c) C (h) Y (m) $Y
(d) U (i) Z (n) $Z
(e) V (j) $B (o) none
Notes
This is a per process parameter. The value set here applies to all axes
assigned to that process.
6.3.2
Second Interference Check
Axis