Omron CJ1M-CPU series Replacement Guide

3
1. Performance specifications
1.1 CJ1M/CJ2M specifications comparison
The table below lists the major difference in specifications of the CJ1M series and CJ2M series.
Item
CJ1M-CPU**
CJ2M-CPU**
Number of I/O points
CPU*1: 160 points
CPU*2: 320 points
CPU*3: 640 points
2,560 points
Program capacity
CPU*1: 5k step
CPU*2: 10k step
CPU*3: 20k step
CPU*1: 5k step
CPU*2: 10k step
CPU*3: 20k step
CPU*4: 30k step
CPU*5: 60k step
Data memory
32k words
32k words
EM
CPU*1 to *3: 1 bank (32k)
CPU*4 to *5: 4 banks (32k x 4)
Built-in I/O
CJ2*: In:10 points/Out:6 points
CPU Unit funcitons will be available by
mounting CJ2M-MD211/CJ2M-MD212. Up
to two units can be mounted.
In:10 points/Out:6 points (when one unit is
used)
In:20 points/Out:12 points (when two units
are used)
Attention: It is possible to use the unit with
the CPU Unit of unit version 2.0 or later.
Length of instructions
1-7 steps/one instruction
1-30 steps/one instruction
Execution
time of
instruction
LD instruction
0.10us
0.04us
MOV instruction
0.30us
0.12us
Overhead processing time
CPU*1: 0.7ms
CPU*2/*3: 0.5ms
CPU3*: 270us
CPU1*: 160us
Maximum Number of
Connectable Units
CPU*1/CPU*2: 10 units
CPU*3: 20 units
40 units
Maximum Number of Expansion
Racks
CPU*1/CPU*2: No expansion
CPU*3: 1
3
Clock function
Equipped as a standard function
Equipped as a standard function
Dimensions (CPU Unit)
CPU*1: 90(H)x31(W)x65(D)
CPU*2: 90(H)x49(W)x65(D)
CPU*1: 90(H)ｘ31(W)ｘ75(D)
CPU*3: 90(H)ｘ62(W)ｘ75(D)
Programming software
CX-Programmer
CX-Programmer
Programmin
g device
connection
Programming
device for
personal
computer
< Peripheral port connection >
Connection with PC requires cables:
CS1W-CN*** or CS1W-
CN118 +
XW2Z-***S-**
< RS232C port connection >
Connection with PC requires cables:
XW2Z-***S-CV or XW2Z-***S（-V）.
< Peripheral (USB) port >
A direct connection can be made between
the USB port of the personal computer
and the PLC using the
commercially-available USB cable
< Serial (RS232C) port connection >
Use the serial cable
(XW2Z-200S-CV/500S-CV) to connect the
PC and serial port on the CPU Unit. (The
CPU3* does not have the RS232C port on
it. Mount the RS232C option board
(CP1W-CIF01) and connect the cable with
the unit)
Programming
console
Available
C200H-PRO27
CQM1-PRO01
Not supported

Omron CJ1M-CPU series Specifications

General

Brand	Omron
Model	CJ1M-CPU series
Category	Controller
Language	English