Scott,
Do you know how to get that information? I mean ASCII capabilities, what protocol, what functions, etc.
If so, you can use an ASCII object by implementing those functions for this PLC. It requires a bit of programming.
The following links may be useful:
http://zone.ni.com/devzone/conceptd.nsf/webmain/AFCB969DF200646886256DB9005BDB87
http://sine.ni.com/apps/we/niepd_web_display.display_epd4?p_guid=B45EACE3DABD56A4E034080020E74861
JPSS