USD 485.00
30K-step modular PLC CPU with 2,560 I/O bits, 3 expansion racks max, and 0.04 μs instruction execution time.
CJ2M-CPU14 is a CJ-series PLC CPU unit from Omron’s CJ2M family. Manufacturer documentation shows it is a 30K-step CPU with 2,560 I/O bits support, 3 expansion racks maximum, 0.04 μs basic instruction execution time, and 64K words of data memory on the CJ2M-CPU14/34 class. The CJ2M platform supports ladder, SFC, structured text, and instruction list programming, with USB peripheral communications and optional serial communications on related variants and option boards. Omron’s product family pages and catalog identify CJ2M as the CPU unit line for compact modular industrial control applications.
| Parameter | Value |
|---|---|
| User memory | 30K steps |
| I/O bits | 2,560 bits |
| Maximum mountable units | 40 units total |
| Maximum expansion racks | 3 |
| Data memory capacity | 64K words (DM: 32K words, EM: 32K words × 1 bank) |
| LD instruction execution time | 0.04 μs |
| Built-in EtherNet/IP function | No |
| Option board slot | Available |
| CPU unit dimensions | 90 mm × 75 mm × 31 mm |
| Weight | 130 g or less |
| Current consumption | 5 VDC, 0.5 A |
| Ambient operating temperature | 0 to 55°C |
| Ambient operating humidity | 10% to 90% (with no condensation) |
| Atmosphere | Must be free from corrosive gases |
| Ambient storage temperature | −20 to 70°C (excluding battery) |
| Altitude | 2,000 m or less |
| Pollution degree | 2 or less |
| Noise immunity | 2 kV on power supply line |
| Overvoltage category | Category II |
| Peripheral (USB) port | USB 2.0-compliant B-type connector |
| Peripheral port baud rate | 12 Mbps max. |
| Peripheral port transmission distance | 5 m max. |
| Serial port | RS-232C option board required for serial communications on CJ2M-CPU14 class configurations |
Best suited for compact modular machinery needing deterministic sequencing across multiple I/O points with moderate program size and fast scan performance.
Provides enough user memory, I/O capacity, and rack expansion to coordinate a complete machine without moving to a larger PLC platform.
Well matched to OEM control panels where the controller must fit a compact footprint, mount in a panel, and operate in standard industrial environments.
The small 90 × 75 × 31 mm body and low 5 VDC current requirement simplify panel layout and power budgeting.
Appropriate for equipment that requires field programming and diagnostics through the peripheral USB port without adding network hardware.
Enables commissioning and maintenance access with a direct USB connection while keeping the control system compact and modular.
