Rockwell Automation 8520-9API 9/Series OCI API Developer's Guide - Manual (Page 137)

5–26 OCI Data Server CNC Commands
Publication 8520-6.6 - August 1999
ACTIVATE_TOOL_WEAR (offset_number)
This command activates the specified tool wear offset. This
command is valid only for lathe control types.
The offset_number argument for this command is the any valid offset
number as entered into the tool wear offset table for this tool.
[ACTIVATE_TOOL_WEAR,(4)]
Activates the tool wear offset number 4. This command only
activates the offset value for tool radius (T word). You must still
program the appropriate G code (G40, G41, G42) in the part
program to specify when and how the offset is activated. Refer to
your Lathe operation and programming manual for details on
activating TTRC.
ACTIVATE_WHEEL_GEOM (offset_number)
This command activates the specified wheel/dresser geometry offset.
This command is valid only for grinder control types.
The offset_number argument for this command is the any valid offset
number as entered into the wheel or dresser geometry offset table for
this tool.
[ACTIVATE_WHEEL_GEOM(4)]
Activates the wheel/dresser geometry offset number 4.
Important: This command does not apply to the 9/PC CNC.