ProSoft Technology MVI69L-MBS - Manual (Page 147)

MVI69L-MBS ♦ CompactLogix Platform Reference
Communication Module User Manual
ProSoft Technology, Inc. Page 147 of 154
January 6, 2014
7.6.2 RS-422 Wiring
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:
7.6.3 RS-485 Wiring
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: