Omron CJ2M-CPU Series Replacement Guide

3. Memory area
3.2 CJ1M/CJ1G/CJ2M memory area comparison
This section explains the difference of the memory area of the CJ1M series, CJ1G series and CJ2M series,
using an example of CJ1M-CPU2*, CJ1G-CPU4*H/4* and CJ2M-CPU**.
♦ CI/O area
CJ1M-CPU2* CJ1G-CPU4*H/4* CJ2M-CPU**
0000 0000 0000
0039
0040
0159 0159
0160
Not used
0160
Not used
0999
0999 0999
1000
1000 1000
1199
1199 1199
1200
1200 1200
1299
1300
1499
1499 1499
1500
1500 1500
1899
1899 1899
1900
1900 1900
1999
1999 1999
2000
2000 2000
2959
2959 2959
2960
2960 2960
2961
2962
Not used
2963
2964
3099
3099 3099
3100
3100 3100
3189
3189
3190
3190
3199
3199 3199
3200
3200 3200
3799
3799 3799
3800
3800 3800
6143
614 6143
I/O Area
Data Link Area
Data Link Area Data Link Area
I/O Area
Not used
I/O Area
Internal I/O Area
Internal I/O Area Not used
Internal I/O Area
CPU Bus Unit Area
Not used Not used Not used
CPU Bus Unit Area CPU Bus Unit Area
Special I/O Unit Area
Pulse I/O Area Not used Pulse I/O Area
Special I/O Unit Area Special I/O Unit Area
Not used
Serial ＰＬＣ Link Area
Not usedNot used
Serial ＰＬＣ Link Area
Not used
DeviceNet Area
Internal I/O Area
Internal I/O Area Internal I/O Area
3
DeviceNet Area
DeviceNet Area
10

Omron CJ2M-CPU Series Specifications

General

Power Supply	24 VDC
Number of Instructions	Over 400 instructions
Model	CJ2M-CPU11, CJ2M-CPU12, CJ2M-CPU13, CJ2M-CPU14, CJ2M-CPU15
Program Capacity	5K steps to 60K steps
I/O Capacity	Up to 2, 560 points
Communication Ports	Ethernet, USB, RS-232C
Execution Time	0.04 µs per basic instruction
Operating Temperature	0 to 55°C
Position Control	Supported
High-speed Counter	100 kHz max.
Pulse Output	100 kHz max.
Maximum Units	40 units
Storage Temperature	-20 to 75°C
Interrupt Inputs	Supported