The OMRON CJ2M-CPU13 and CJ2M-CPU33 are flagship CPU units from the CJ2M series, engineered for sophisticated industrial control systems requiring deterministic performance and extensive connectivity. The CJ2M-CPU13 offers a cost-effective solution with standard serial communication, while the CJ2M-CPU33 adds a built-in EtherNet/IP port for seamless integration into modern factory networks. Both models deliver 20K steps of user program memory and support up to 2,560 I/O points, making them ideal for applications ranging from packaging machinery to material handling. With an instruction execution speed of just 0.04 µs for basic logic operations, these CPUs ensure rapid response to time-critical events. The robust memory system includes a 32K-word EM area (expandable to 4 banks), 8,192 work bits, and 4,096 timer/counter numbers, providing ample resources for complex algorithms. Additionally, the CJ2M-CPU33 supports tag data links and CIP messaging over EtherNet/IP, enabling transparent data exchange with other controllers and SCADA systems.
| Specification |
CJ2M-CPU13 |
CJ2M-CPU33 |
| User Memory (Program) |
20K steps |
20K steps |
| I/O Bits |
2,560 bits |
2,560 bits |
| Max. Connectable Units (per CPU Rack) |
10 Units |
10 Units |
| Max. Expansion Racks |
3 |
3 |
| Work Area |
8,192 bits (W000–W511) |
8,192 bits (W000–W511) |
| Holding Area |
8,192 bits (H000–H511) + FB area (H512–H1535) |
8,192 bits (H000–H511) + FB area (H512–H1535) |
| Auxiliary Area (Read-only) |
31,744 bits (A0–A447) |
31,744 bits (A0–A447) |
| Auxiliary Area (Read/write) |
16,384 bits (A448–A1471) |
16,384 bits (A448–A1471) |
| Temporary Area |
TR0–TR15 |
TR0–TR15 |
| Timer Area |
4,096 (T0000–T4095) |
4,096 (T0000–T4095) |
| Counter Area |
4,096 (C0000–C4095) |
4,096 (C0000–C4095) |
| DM Area |
32K words (D0–D32767) |
32K words (D0–D32767) |
| EM Area |
32K words/bank × 4 banks max. (E00_00000–E3_32767) |
32K words/bank × 4 banks max. (E00_00000–E3_32767) |
| Index Registers |
IR0–IR15 |
IR0–IR15 |
| Cyclic Task Flag Area |
128 flags |
128 flags |
| Memory Card Support |
128 MB / 256 MB / 512 MB |
128 MB / 256 MB / 512 MB |
| Operating Modes |
PROGRAM / MONITOR / RUN |
PROGRAM / MONITOR / RUN |
| Built-in Communication |
RS-232C (1 port) |
EtherNet/IP (1 port) + RS-232C (1 port) |
| Instruction Execution Speed (Basic) |
0.04 µs |
0.04 µs |
- Processing Power: 0.04 µs per basic instruction (LD/AND/OR) ensures high-speed logic execution; 0.08 µs for advanced math operations, enabling precise motion and process control.
- Memory Architecture: 20K steps user program with battery-backed RAM; DM/EM areas support both bit and word addressing for flexible data handling; index registers enable powerful indirect addressing across tasks.
- Connectivity & Expansion: Supports up to 40 units total via CPU rack and 3 expansion racks; compatible with CJ-series Special I/O Units, CPU Bus Units, and high-density analog/digital modules.
- Network Integration: CJ2M-CPU33 features a built-in EtherNet/IP port for tag data links, CIP messaging, and remote I/O; both models support serial communication for HMIs and legacy devices.
- Reliability & Protection: Holding area maintains data across power cycles; auxiliary area provides system status flags; memory card slot enables program backup and firmware updates without downtime.
- Programming Environment: Full support for ladder, structured text, and function blocks via CX-Programmer; online editing in MONITOR mode allows live program modifications without stopping production.
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22