Omron CJ2 User Manual

3-25
3 Nomenclature and Functions
CJ2 CPU Unit Hardware User’s Manual
3-4 CJ-series Basic I/O Units
3
3-4-2 Thirty-two/Sixty-four-point Basic I/O Units with Connectors
Units are available with either Fujitsu-compatible connectors (CJ1W-@D@@1) or MIL connectors
(CJ1W-@D@@2/3).
z Thirty-two-point Units (Models with 40-point Fujitsu Connector or MIL
Connector)
z Sixty-four-point Units (Models with Two 40-point Fujitsu Connectors or MIL
Connector)
3-4-2 Thirty-two/Sixty-four-point Basic I/O Units with Connectors
Part Names
ID 2 31 ID 2 3 2
Model number
I/O indicators
Unit with MIL Connector
Unit with Fujitsu-compatible
Connector
Connector
Connected to the connector on the next Unit.
Indicator Switch
1 2
Changes the 16 I/O displayed on the I/O indicators.
Wd m (Row A on connector)
Fujitsu connector
MIL connector
Bottom of connector
Top of connector
Wd m+1 (Row B on connector)
Setting 1
Setting 2
Word m
or
m+1
I/O wiring
connector
(40-pin x 1)
0 1 2 3
4 5 6 7
8 9
12
13 14 15
10
11
ERR
Note: Only the CJ1W-OD232 has an ERR indicator for the load short-circuit alarm.
ID 2 61
0 1 2 3 4 5 6 7
8 9
12131415
10
11
0 1 2 3 4 5 6 7
8 9
12
131415
1011
I
II
ID 2 61
Model number
I/O indicators
Unit with MIL Connector
Unit with Fujitsu-compatible
Connector
Connector
Connected to the connector on the next Unit.
Indicator Switch
1 2
Changes the 32 I/O displayed on the I/O indicators.
Setting 1
Setting 2
I/O wiring
connector
(40-pin x 2)
Wd m and m+1: CN1
Wd m+2 and m+3: CN2
Word m or
m+2
Word m+1
or m+3

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)