Rockwell Automation 2706 DL40 HARDWARE USER MANUAL - Manual (Page 132)

Chapter 11
Installation and Wiring
11 – 11
If the RS–485 Port is configured to send messages to slaves, wire the port as
shown in the figure below.
Figure 11.11
Wiring the RS–485 Port when Port Use is Set to DL Slaves
RS-485 Port Set to DL Slaves