Omron CJ2 User Manual

3-17
3 Nomenclature and Functions
CJ2 CPU Unit Hardware User’s Manual
3-3 Power Supply Units
3
3-3-1 Models and Specifications
Insulation resistance 20 MΩ min.
(at 500 VDC)
between AC
external and GR
terminals
*3
•20 MΩ min.
(at 500 VDC)
between all
external termi-
nals and GR
terminal, and
between all
alarm output
terminals.
•20 MΩ min.
(at 250 VDC)
between all
alarm output
terminals and
GR terminal.
20 MΩ min.
(at 500 VDC)
between AC
external and GR
terminals
*3
20 MΩ min.
(at 500 VDC)
between DC
external and GR
terminals
*3
---
*6
Dielectric strength
*4
2,300 VAC 50/60
Hz for 1 min
between AC
external and GR
terminals
*3
Leakage current:
10 mA max.
•2,300 VAC,
50/60 Hz for 1
minute between
all external ter-
minals and GR
terminal and
between all
alarm output
terminals with a
leakage current
of 10 mA max.
•1,000 VAC,
50/60 Hz for 1
minute between
all alarm output
terminals and
GR terminal
with a leakage
current of 10
mA max.
2,300 VAC 50/60
Hz for 1 min
between AC
external and GR
terminals
*3
Leakage current:
10 mA max.
1,000 VAC 50/60
Hz for 1 min
between DC
external and GR
terminals
*3
Leakage current:
10 mA max.
---
*6
1,000 VAC 50/60 Hz for 1 min between DC external and GR terminals
*3
Leakage current: 10 mA max.
Noise immunity 2 kV on power supply line (Conforms to IEC61000-4-4.)
Vibration resistance
5 to 8.4 Hz, 3.5-mm amplitude, 8.4 to 150 Hz, acceleration: 9.8 m/s
2
in X, Y, and Z directions for
100 minutes (Time coefficient: 10 minutes × coefficient factor 10 = total time 100 min.) (according to
JIS C60068-2-6)
Shock resistance
147 m/s
2
3 times each in X, Y, and Z directions (Relay Output Unit: 100 m/s
2
) (according to JIS
C60068-2-27)
Ambient operating
temperature
0 to 55°C
Ambient operating
humidity
10% to 90% (with
no condensation)
10% to 90% (with
no condensa-
tion)
*5
10% to 90% (with no condensation)
Atmosphere Must be free from corrosive gases.
Ambient storage tem-
perature
−20 to 75°C
(excluding bat-
tery)
−20 to 75°C
*5
−20 to 75°C (excluding battery)
Item Specifications

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)