Rockwell Automation 1775-KA PLC-3 Communication Adapter Module User Manual - Manual (Page 111)

Full-Duplex Protocol
Chapter 10
10Ć7
Figure 10.3
Software Implementation of Data Paths
Transmitter
B
A
Receiver
Path 1 Path 2
Transmitter
B
A
Receiver
M
S
S
M
Path 3 Path 4
Path 1 Path 2
Path 3 Path 4
Physical Circuit AB
Physical Circuit BA
M
S
= Software Multiplexer
= Software Separator
10040-I
Figure 10.4 shows path 1 with unrelated parts of Figure 10.3 removed.
Figure 10.4
Data Path 1
Transmitter
B
A
Receiver
M S
Path 1 Path 1
10041-I