ProSoft Technology MVI56E-MCM/MCMXT - Manual (Page 142)

Reference MVI56E-MCM ♦ ControlLogix Platform
User Manual Modbus Communication Module
Page 142 of 199 ProSoft Technology, Inc.
June 18, 2014
6.3.5 RS-422
The RS-422 interface requires a single four or five wire cable. The Common
connection is optional, depending on the RS-422 network devices used. The
cable required for this interface is shown below:
6.3.6 RS-485 Application Port(s)
The RS-485 interface requires a single two or three wire cable. The Common
connection is optional, depending on the RS-485 network devices used. The
cable required for this interface is shown below: