Omron CJ2 User Manual

2 Basic System Configuration and Devices
2-8
CJ2 CPU Unit Hardware User’s Manual
z Units for CJ-series Expansion Racks
z CJ-series Power Supply Unit
z I/O Interface Unit
*1 Includes the weight of the End Cover.
Maximum Number of Expansion Racks
Expansion pattern Maximum number of Racks Remarks
CJ-series CPU Rack plus
CJ-series Expansion Racks
3 Racks The total length of I/O Connecting Cable
between the CPU Rack and an Expansion Rack,
and between all Expansion Racks, must be no
more than 12 m.
Units
Rack Configuration Remarks
CJ-series
Expansion
Racks
CJ-series Power Supply Unit One required for each Expansion Rack. (An I/O Control
Unit is required on the CJ-series CPU Rack.)
I/O Interface Unit (one End Cover
included.)
CJ-series Basic I/O Units A total of up to 10 Units can be connected to the CPU
Rack and to each of the Expansion Racks. (An error will
occur if 11 or more Units are connected.)
CJ-series Special I/O Units
CJ-series CPU Bus Units
End Cover Must be connected to the right end of the Expansion
Rack. (One End Cover is provided with the I/O Interface
Unit. A fatal error will occur if the End Cover is not con-
nected.)
CS/CJ-series I/O Connecting Cable Required to connect the I/O Interface Unit to the I/O
Control Unit or previous I/O Interface Unit.
Model
Power supply
voltage
Output capacity
Functions
5 VDC 24 VDC
CJ1W-PA205R 100 to 240 VAC 5.0 A 0.8 A RUN output
Replacement notification
CJ1W-PA205C 100 to 240 VAC 4.6 A 0.8 A
CJ1W-PA202 100 to 240 VAC 2.8 A 0.4 A
CJ1W-PD025 24 VDC 5.0 A 0.8 A
CJ1W-PD022 24 VDC
(non-insulated type)
2.0 A 0.4 A
Model Specifications
Current consump-
tion (A)
Weight
5 VDC 24 VDC
CJ1W-II101 One Interface Unit is required for each CJ-series Expan-
sion Rack. One End Cover is provided with each Unit.
0.13 A --- 130 g
max.
*1

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)