Rockwell Automation 1756-DH485 ControlLogix DH-485 Communication Module User Manual - Manual (Page 23)

Publication 1756-UM532A-EN-P - May 2006
Overview of the DH-485 Network 2-5
You can also use the isolated link coupler to provide connectivity between
devices for distances greater than 1.8 m (6 ft) up to a maximum of 1219 m
(4000 ft). Below is an example of a remote connection between a computer
running your programming software and an SLC 500 controller.
Remote Connection Between a Computer Running Programming Software and an
SLC 500 Controller
RSLogix 500
Software
UIC
1747-UIC
1747-AIC
+24V dc
>1.8m (6 ft)
1747-AIC
1747-C11
1747-C13