Omron CJ2 User Manual

4-7
4 Support Software
CJ2 CPU Unit Hardware User’s Manual
4-2 Connection Methods
4
4-2-1 Connecting by USB
Based on USB specifications, the following restrictions apply when connecting a personal computer
and components.
• Only one CJ2 CPU Unit can be connected by USB to a single personal computer. It is not possible to
connect multiple CJ2 CPU Units simultaneously.
• Do not remove the USB cable while connected online. The application must be offline before the
cable is removed. If the cable is removed while connected online, one of the following situations will
occur depending on the operating system.
• Windows 2000/XP
The Support Software online status will not be restored by simply re-inserting the USB cable.
Once the Support Software has gone offline, the cable must be re-inserted and the Support Soft-
ware online connection operation must be repeated.
•Windows 98/Me
If the USB cable is removed while connected online, a blue error screen may be displayed. If that
occurs, the personal computer must be restarted.
Additional Information
The USB port on a computer can be connected to the PLC serial port (RS-232C) by using
CJ1W-CIF31 USB-Serial Conversion Cable. (The USB driver for the CJ1W-CIF31 must be
installed.)
Refer to A-5 Installing the USB Driver for the installation procedure for the USB driver.
Restrictions on Connecting by USB
RS-232C port,
D-sub connector
(9-pin, female)
D-sub connector
(9-pin, female)
Recommended cable:
XW2Z-200S-CV/500S-CV or XW2Z-200S-V/500S-V
*1
D-sub connector
(9-pin, male)
D-sub connector
(9-pin, male)
CS-CJ-series PLC
CS1W-CIF31
USB A plug connector,
male
*1 Only a Host Link connection is possible.

Omron CJ2 Specifications

General

Model	CJ2
Manufacturer	Omron
Type	Programmable Logic Controller (PLC)
CPU Units	Multiple models available (e.g., CJ2M, CJ2H)
Number of I/O Points	Up to 2, 560 points
Communication Ports	Ethernet/IP, EtherCAT, USB, Serial
Expansion	Yes, via I/O Units and Special I/O Units
I/O Control Method	Cyclic Scan, Interrupt
Programming Language	Ladder diagram, structured text, function block diagram, sequential function chart, instruction list
Built-in I/O	Available on some models (e.g., CJ2M)
Ethernet Port	Yes, 1 port (depending on CPU Unit)
Serial Ports	RS-232C, RS-422/485 (configurable)
USB Port	Yes (for programming and monitoring)
Operating Temperature	0°C to 55°C
Storage Temperature	-25 to 70°C
Humidity	10 to 95% RH (non-condensing)
Vibration Resistance	10 to 57 Hz, Amplitude: 0.075 mm, 57 to 150 Hz, Acceleration: 1 G, X, Y, and Z directions, 80 min each
Power Supply Voltage	24 VDC or 100 to 240 VAC (depending on CPU Unit)