Datasheet

21
CJ2M-CPU3@/-CPU1@/-MD21@
External Interface
CJ2M-CPU3@ (CJ2M with Built-in EtherNet/IP)
A CJ2M-CPU3@ provides two communications ports for external interfaces: a peripheral (USB) port and an EtherNet/IP port.
The Pulse I/O functions of the CJ2M can be used by mounting a Pulse I/O Module. Up to two Pulse I/O Modules can be connected to the left side
of a CJ2M CPU Unit.
Serial ports can be added by mounting a Serial Communications Option Board (sold separately) in an option slot.
CJ2M-CPU1@
A CJ2M-CPU1@ provides two communications ports for external interfaces: a peripheral (USB) port and a serial port.
The Pulse I/O of the CJ2M can be used by mounting a Pulse I/O Module. Up to two Pulse I/O Modules can be connected to the left side of a CJ2M
CPU Unit.
Battery Compartment
LED Indicators
DIP Switch
(inside the battery compartment)
Memory Card Indicators
Peripheral (USB) Port
Connect to PC with CX-Programmer
Option board slot
Add a serial option board (option)
EtherNet/IP Port
Connected to the information management
system such as Host Computer
Simple Backup/Memory Card
Power Supply Switch
Memory Card Connector
Memory Card Eject Button
COMM
COMM
CP1W-CIF11/CIF12
RS-422A/485
Option Board
CP1W-CIF01
RS-232C
Option Board
Attachable
Pulse I/O Module (2 units max.)
CJ2M-MD21@
Battery Compartment
LED
I
n
di
cator
DIP Switch
(inside the battery compartment)
Memory Card Indicators
Peripheral (USB) Port
Connect to PC with CX-Programmer
Built-in Serial Port
Connect to Host Computers,
general-purpose external device,
Programmable Terminals, and other devices.
Simple Backup/Memory Card
Power Supply Switch
Memory Card Connector
Memory Card Eject Button
Attachable
Pulse I/O Module (2 units max.)
CJ2M-MD21@