Omron CP1E CPU UNIT SOFTWARE - Serial PLC Links; Overview

14 Serial Communications
14-20
CP1E CPU Unit Software User’s Manual(W480)
14-5 Serial PLC Links
Serial PLC Links can be used only with the CP1E N/NA-type CPU Unit.
Serial PLC Links enable exchanging data between CP1E N/NA-type CPU Units, CP1L/CP1H CPU
Units, or CJ1M CPU Units without using special programming. The serial communications mode is set
to Serial PLC Links. Up to 9 PLCs can be linked.
 Connecting CP1E, CP1L, CP1H, or CJ1M CPU Units 1:N (8 Nodes Maximum)
 Connecting CP1E, CP1L, CP1H, or CJ1M CPU Units 1:1
Precautions for Correct UsePrecautions for Correct Use
With the CP1E CPU Units, a Programmable Terminal (PT) cannot be included in a Serial PLC
Link.
14-5-1 Overview
Configuration
RS-422A/485
CP1E N/NA-type CPU Unit (Polling Unit)
RS-422A/485 Option Board
Shared data
CP1E N/NA-type
CPU Unit
(Polled Unit)
CJ1M CPU Unit
(Polled Unit)
CP1L
CPU Unit
(Polled Unit)
8 nodes maximum
CP1E N/NA-type
CPU Unit
(Polling Unit)
RS-232C or RS422A/485
Shared data
CP1E or
CP1L CPU
Unit (Polled
Unit)