Omron CJ2 User Manual

7-15
7 Inspection and Maintenance
CJ2 CPU Unit Hardware User’s Manual
7-3 Power Supply Unit Replacement Time
7
Comparison between the CJ1W-PA205C and CJ1W-PA205R
Item CJ1W-PA205C CJ1W-PA205R (for comparison)
RUN contact output Not supported Supported
Terminal block arrangement
Terminal block position Located on the left side of the Unit. Located on the right side of the Unit.
POWER indicator On replacement notification module On hood of Power Supply Unit
Replacement notification Supported
(7-segment display + transistor out-
puts)
Not supported
NC
NC
L2/N
L1
100 to 240 VAC
INPUT
AC input
LG
Unconnected
terminals
GR
CJ1W-PA205C
L2/N
L1
24 VDC
2A RESISTIVE
240 VAC
OUTPUT
RUN
INPUT
100 to 240 VAC
AC input
LG
RUN output
(RUN contact)
GR
CJ1W-PA205R
Years
POWER
CJ1W-PA205C
TEST
NC
NC
AC100-240V
INPUT
L2/N
L1
L
+
ALARM
OUTPUT
DC30V,50mA
NORMAL:ON
ALARM :OFF
Terminal block Alarm output terminals
POWER
PA205R
DC24V
AC240V
OUTPUT
RUN
INPUT
AC100-240V
L2/N
L1
Terminal block

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)