Rockwell Automation PLC-5 Fieldbus Solutions for Integrated Architecture User Manual - Manual (Page 287)

Publication 1757-UM006A-EN-P May 2002
1788-CN2FF Installation Example F-39
Support adds 2 to the listed Offset. (If you are using a PLC-5, the
Offset values are correct.)
The 1788-FFCT and 1788-CN2FF are capable of producing data that
can be used by all RA controllers that interface directly to ControlNet.
This includes the PLX, CLX, PLC-5s and SLC.
If you have problems, call Rockwell Automation Technical Support at
440.646.5800. Also refer to Rockwell Automation Technical Support
on page P-3.