Rockwell Automation 2706-F11J_F11JC_F21J_F21JC DL50 INSTALLATION MANUAL - Manual (Page 16)

Chapter 2
Introduction to the DL50
2–7
The DL50 has both an RS-232 and an RS-485 communications port.
Figure 2.3 illustrates some of the most common point-to-point and
network applications.
Figure 2.3
Communications Overview
Host Programmable Controller
or Computer
Host Programmable Controller
or Computer
DL40 DISPLAY
MASTER
All Messages
Are Stored Here
DL50 DISPLAY
DL50 DISPLAY
RS-485
1771 Remote I/O,
Parallel I/O
DL20 DISPLAY
MASTER
All Messages
Are Stored Here
DL50 DISPLAY
RS-232
Parallel I/O Interface
RS-422
or
DL50 DISPLAY DL50 DISPLAY
RS-485 RS-485
To Other Dataliner Displays
Host Programmable Controller*
or Computer
RS-232 Interface
DL50 DISPLAY
*PLC-5/11, 5/30, 5/40, 5/60, and 5/80
To Other Dataliner Displays
SLC 5/03 or 5/04
RS-232 Interface
DL50 DISPLAY
RS-232 Interface
DL50 DISPLAY
MessageView Terminal
PLC or SLC Controller
Remote I/O
Communications Overview