A symbol table lists the symbols registered to the project.
The CX-Designer can specify symbols as the data to be accessed by functional
objects, in addition to directly specifying PLC or other host addresses or
internal memory.
“Symbol” is a name to which an address is allocated. This symbol can be
used instead of the address in the CX-Designer. This allows addresses to be
changed simply by changing the address set for the symbol, instead of opening
each screen and changing the property settings for the functional objects
on that screen. In addition, comments can be specified for symbols in the CXDesigner.
The Symbol Table Window can be displayed and hidden by selecting View -
Window - Symbol Table from the menu bar.