INSTALLATION MANUAL User Manual

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
Ho
s
t Pro
g
rammable Co
n
troller
or Computer
Host Programmable Controller
or Computer
DL40 DISPLAY
MASTER
All Messages
Are Stored Here
DL50 DISPLA
Y
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
Co
mmu
nications Ove
r
view