3 Nomenclature and Functions
3-20
CJ2 CPU Unit Hardware User’s Manual
3-4 Serial Option Boards (CJ2M-CPU3@
Only)
A Serial Option Board can be used with a CJ2M-CPU3@ CPU Unit.
z Serial Option Boards
z Mounting an Option Board
When mounting an Option Board, first remove the slot cover. Grasp the lock levers at the top and
bottom of the cover at the same time to unlock the cover, and then pull the cover out. Then to mount
the Option Board, check the alignment and firmly press it in until it snaps into place.
Precautions for Correct UsePrecautions for Correct Use
Always turn OFF the power supply to the PLC before mounting or removing an Option Board.
3-4-1 Overview
Model Port
Maximum transmission
distance
Connection method
CP1W-CIF01 One RS-232C port 15 m Connector: D-sub, 9-pin female
CP1W-CIF11 One RS-422A/485 port
(not isolated)
50 m Terminal block: Using ferrules
CP1W-CIF12 One RS-422A/485 port
(isolated)
500 m Terminal block: Using ferrules
CP1W-CIF01
RS-232C
Option Board
CP1W-CIF11 or CP1W-CIF12
RS-422A/485 Option Board
Serial Option Boards