Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 20)

Installation
Chapter 2
2Ć8
Interfacing a PLC–3 controller with a remote Data Highway through a
modem link (Figure 2.5)
Figure 2.5
Linking a PLC-3 Station to a Remote Data Highway
Modem
1775-KA Module
10006–I
PLC-3
Controller
Modem
PC
PC
PC
PC
PC
Allen-Bradley
Data Highway
NOTE: All PCs are Allen-Bradley
Up to 64 Stations
1771-KF Module