Omron CJ2 User Manual

4
CJ2 CPU Unit Hardware User’s Manual
Manual Structure
The following page structure is used in this manual.
Special information in this manual is classified as follows:
Page Structure
Special Information
Precautions for Safe Use
Precautions on what to do and what not to do to ensure using the product safely.
Precautions for Correct Use
Precautions on what to do and what not to do to ensure proper operation and performance.
Additional Information
Additional information to increase understanding or make operation easier.
Level 1 heading
Level 2 heading
Level 3 heading
Level 2 heading
A step
in a procedure
Manual name
Level 3 heading
Page tab
Gives the current
headings.
Gives the number
of the section.
This illustration is provided only as a sample and may not literally appear in this manual.
Special Information
(See below.)
5-13
5 Installation
CJ2 CPU Unit Hardware User’s Manual
n
oita
lla
t
s
nI
2-
5
5
s
tn
e
n
o
p
moC CL
P
gn
it
ce
nnoC
1
-2
-
5
5-2 Installation
The Units that make up a CJ-series PLC can be connected simply by pressing the Units together and
locking the sliders by moving them toward the back of the Units. The End Cover is connected in the
same way to the Unit on the far right side of the PLC.
1. Join the Units so that the connectors fit exactly.
2. The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders
toward the back of the Units as shown below until they click into place.
Precautions for Correct UsePrecautions for Correct Use
If the locking tabs are not secured properly, the connectors may become loose and not function
properly. Be sure to slide the locking tabs until they are securely in place.
5-2-1 Connecting PLC Components
Connector
Hook
Hook holes
Slider
Lock
Release
Move the sliders toward the back
until they lock into place.

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)