Omron CJ2 User Manual

3-19
3 Nomenclature and Functions
CJ2 CPU Unit Hardware User’s Manual
3-3 Power Supply Units
3
3-3-2 Components
z Example: CJ1W-PA205R
z Example: CJ1W-PA205C
z Example: CJ1W-PA202
3-3-2 Components
POWER
PA205R
DC24V
AC240V
OUTPUT
RUN
INPUT
AC100-240V
L2/N
L1
POWER Indicator
Lit when 5 V are being output from the Power Supply Unit.
External connection terminals
RUN output
AC input
LG
GR
POWER
Ye a r s
CJ1W-PA205C
TEST
NC
NC
AC100-240V
INPUT
L2/N
L1
L
+
ALARM
OUTPUT
DC30V,50mA
NORMAL:ON
ALARM :OFF
POWER Indicator
Lit when 5 V are being output
from the Power Supply Unit.
External connection
terminals
AC input
LG
GR
Alarm output
(replacement notification output)
TEST switch
The TEST switch can be used to
temporarily turn OFF the alarm output
that notifies when replacement is
needed.
Replacement notification display
POWER
PA202
INPUT
NC
NC
AC100
-240V
L2/N
L1
POWER Indicator
Lit when 5 V are being output
from the Power Supply Unit.
External connection
terminals
AC input
LG
GR

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)