Omron CP1E Series User Manual page 40

1 Overview and Specifications
Mounting Serial Option Boards to N-type CPU Units with 30 or 40 I/O
Points
One Serial Communications Option Board with one RS-232C port or one RS-422A/485 port can be
added to an N-type CPU Unit with 30 or 40 I/O points. With the serial communications port, it is easy to
connect to general components, such as barcode readers, and other components such as PTs, other
CP-series PLCs, and Inverters.
NS-series PT, Barcode Reader, etc.
RS-232C
Built-in RS-232C
port
1-8
RS-422A/485 Option Board
with the CP1W-CIF11/12 mounted
RS-422A
Modbus-RTU Easy Master Function
Example: Inverter
Serial PLC Links
CP1E, CP1H
CP1L, CJ1M
CP1E CPU Unit Hardware User's Manual(W479)