Omron CJ2 User Manual

Appendices
A-24
CJ2 CPU Unit Hardware User’s Manual
Terminal Connections
• When wiring, pay careful attention to the polarity of the external power
supply. The load may operate incorrectly if the polarity is reversed.
• Be sure to wire both terminals A9 and A19 (COM0).
• Be sure to wire both terminals B9 and B19 (COM1).
• Be sure to wire both terminals A10 and A20 (+V).
• Be sure to wire both terminals B10 and B20 (+V).
COM1
+V +V
COM0
COM1
+V +V
COM0
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
OUT8
OUT9
OUT10
OUT11
OUT12
OUT13
OUT14
OUT15
OUT0
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
I/O word "m+1"
I/O word "m+1"
I/O word "m"
I/O word "m"
12 to
24 VDC
12 to
24 VDC
Signal
name
Signal
name
Connec-
tor pin
Allocated
CIO word
Allocated
CIO word

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)