Rockwell Automation 1420 PowerMonitor 500 - Manual (Page 20)

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Rockwell Automation Publication 1420-UM001D-EN-P - September 2013
Chapter 2
Installation and Wiring
Figure 17 - Serial RS-485 and RS-232 Communication Wiring (485 option)
RS-485 Port RS-232 Port
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Mandatory
Termination
IMPORTANT Additional devices provided with RS-485 are connected in parallel. The
termination of the serial output is carried out only on the last instrument of the
network, by means of a jumper between (B+) and (T). The RS-232 and RS-485
communication ports cannot be connected and used simultaneously.