Rockwell Automation GMLC Reference Manual - Manual (Page 514)

Publication GMLC-5.2 - November 1999
477
Actual Position
Actual_Position is the current absolute position of a physical or virtual
axis (in the position units of that axis) as read from the feedback
transducer. In the Tag Explorer, select both Axis System Variables and the
desired axis, then select Actual_Position from the Tag Window scrolling
list. See the figure above, and Command Position, below, for more
information on the relationship among command position, actual position,
and position error.