Rockwell Automation GMLC Reference Manual - Manual (Page 477)

Publication GMLC-5.2 - November 1999
440 Defining Variables, Constants, and I/O
You can view the values assigned to system variables in the Tag Window.
You can also view the variables using the General Watch function as they
dynamically respond to the execution of the program. (See Using the
General Watch Function in this chapter.) The Expression Builder also
offers numerous system variables and system functions based on your
controller configurations.
Example of How to Display a System Variable
In the following example, an axis-related system variable is selected for
display. Use the same method to display a nonaxis-related (general)
system variable.
1. In the Tag Explorer, select AXIS0. The system variable category
AXIS0 is highlighted:
In the Tag Window, the system variables of axis 0 appear: