Omron CJ1 Series of small Programmable Controllers provide all the functions required for everything from machine control to process control in a backplane-free structure that enables flexible system configuration.
![CJ-series - CJ1M-CPU2[] - Omron CPU Units](https://inosaki.com/wp-content/uploads/2023/05/CJ1M-CPU22.webp){kind=small}
$ 157.55
Omron CJ1 Series of small Programmable Controllers provide all the functions required for everything from machine control to process control in a backplane-free structure that enables flexible system configuration.
| Product name |
Specifications | Current consump- tion (A) |
Model | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I/O capacity/ Mountable Units (Expansion Racks) |
Program capacity |
Data memory capacity |
LD instruc- tion ex- ecution time |
Built-in I/O |
5 V | 24 V | |||
| Omron CJ1M CPU Units |
Built- in I/O *2  |
640 points/ 20 Units (1 Expansion Racks max.) |
20K steps | 32K words (DM: 32K words, EM: None) |
0.1 μs | 10 inputs and 6 outputs, 2 counter inputs, 2 pulse outputs |
0.64 *1 |
— | CJ1M-CPU23 *3 |
| 320points/ 10 Units (No Expansion Rack) |
10K steps | 0.64 *1 |
— | CJ1M-CPU22 *3 |
|||||
| 160 points/ 10 Units (No Expansion Rack) |
5K steps | 0.64 *1 |
— | CJ1M-CPU21 *2 *3 |
|||||
*1. Current consumptions include current for a Programming Console. Add 0.15 A per Adapter when using NT-AL001
RS-232C/RS-232A Adapters. Add 0.04 A per Adapter when using CJ1W-CIF11 RS-422A Adapters.
*2. Some of the specifications for the low-end CJ1M CPU Units (CJ1M-CPU11(-ETN)/21) are different from the
specifications for the other CJ1M CPU Units (CJ1M-CPU12(-ETN)/13(-ETN)/22/23), including the specifications for
overhead time, pulse start time, the number of subroutines and jumps, the number of scheduled interrupt tasks, and
the number of PWM outputs. For details, refer to the CJ Series Programmable Controllers Operation Manual
(Cat. No. 393) and the CJ Series Built-in I/O Operation Manual (Cat. No. 395).
*3. The connector for built-in I/O in the CJ1M-CPU21/22/23 is not included. Purchase one of the connectors or connector
cables in the following table separately.
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