Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 516)

Cutter Comp/Tool Tip Radius
Chapter 23
23-16
Function
Use this parameter when the parameter for Interference Detection is set as
disabled. If Interference Detection is disabled, it is possible to temporarily
enable interference detection by programming the M-word set with this
parameter in a block. Interference detection is enabled only for the block
that contains this M-word; any following blocks have interference
detection disabled unless they also contain this M-word.
Axis Parameter
Number
All [96]
Range
--1 to 999
Notes
This is a nonmodal M-word.
This is a global parameter. The value set here applies to all axes
and processes.
This parameter will not affect the interference checking feature used in
dual process systems.
Refer to your programming and operation manual for more information.
END OF CHAPTER
23.3.4
M- word to Enable
Interference Detection