Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 12)

Introduction
Chapter 1
1-8
Figure 1.4
A PCL Network Connected to a Data Highway
PLC-5 PLC-5 1770-KF2
Computer
1785-KA
PCL
Data Highway
Advisor 2+
1770-KF2
PLC-3
1775-KA
14690
TM
Important: A 1770-KF2 module on a PCL link cannot access a station
on the Data Highway through a 1785-KA module. A KF2 module on the
Data Highway, however, can access a station on a PCL link through a
1785-KA.