MOVELINK_MODIFY is a new axis parameter that allows MOVELINK motion commands to be modified whilst they are running. A typical example of using MOVELINK_MODIFY is for stopping product relative to a registration mark when using MOVELINK commands which ...
This document explains how to use the TrioBASIC command "MOVEADD" to adjust the axis position on top of an already moving axis. There are examples on how to appropriately use this command.
Process numbering is controlled entirely by the firmware so nothing should change when you update Motion Perfect. For example, process numbers for MC405 are 0 to 9.
If you want to do the same as the Motion Stop button in Motion Perfect then this is the command list done by Motion Stop: RAPIDSTOP(2) HALT WDOG=0 That stops all axes, stops all programs and disables the drives.