Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 141)

Zone/Overtravel Parameters
Chapter 6
6-15
Function
Use this parameter to enter the smaller machine coordinate value that
determines the location of the software overtravel. Provided that the
software overtravels are active, the axis is not permitted to move to a
position that is smaller than this value.
Axis Parameter
Number
Axis Parameter
Number
(1) [1330] (7) [7330]
(2) [2330] (8) [8330]
(3) [3330] (9) [9330]
(4) [4330] (10) [10330]
(5) [5330] (11) [11330]
(6) [6330] (12) [12330]
Range
--2540000.00000 mm to Positive Software Overtravel
or
--100000.00000 inch to Positive Software Overtravel
The range of this parameter is dependent on the value set for the parameter
“Positive Software Overtravel.”
Notes
This parameter must be set independently for each axis.
6.2.3
Negative Software
Overtravel