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Omron CJ2M-CPU14

Processor: high-speed CPU
User program capacity: 32KB
Input voltage: 24V DC
Dimensions: 90 (height) x 31 (width) x 84.5 (depth) mm

Weight: about 130g
Software support: CX-One
Working temperature: 0℃~5℃
Installation type: DIN rail installation

Product Features

At the heart of the CJ2M-CPU14 is a high-speed processor that executes basic instructions in just 0.04μs and dedicated instructions in 0.06μs, ensuring real-time control and rapid response to changing production conditions. With a program capacity of 30K steps and a total data memory of 160K words (including 32K words of DM area plus 32K words × 4 EM storage banks), this CPU unit provides ample space for complex control programs and data storage needs.

The CJ2M-CPU14 supports up to 2,560 local I/O points and can connect with a maximum of 40 units (10 units per device) across 3 expansion racks, offering exceptional scalability for growing automation systems. It features both a built-in RS-232C serial port and a USB 2.0 B-type programming port for easy configuration and communication. The USB port operates at speeds up to 12Mbps with a maximum transmission distance of 5 meters, while the RS-232C port supports communication speeds from 0.3 to 115.2kbps with a transmission distance of 15 meters.

This CPU unit supports multiple programming languages including ladder logic (LD), sequential function chart (SFC), structured text (ST), and instruction list (IL), allowing programmers to choose the most suitable language for their applications. It can handle up to 128 cyclic execution tasks and 256 interrupt tasks, with interrupt response times as fast as 31μs for I/O and external interrupts, and 30μs for timer interrupts.

The CJ2M-CPU14 has a compact form factor of 90mm × 75mm × 31mm (height × depth × width) and weighs 130g or less (including end caps and battery), making it easy to install even in space-constrained control cabinets. It operates reliably in temperatures ranging from 0°C to 55°C and humidity levels of 10% to 90% (non-condensing), ensuring stable performance in harsh industrial environments.

Related Products

OmRON PLC	Series	Part Number
	Omron CJ2M-CPU14	CJ2M-CPU11
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About Us

Our Product
We offer a wide range of products, including servo drives, controllers, motion equipment, communication equipment, PLC, industrial communication modules, power supplies, instrumentation, sensors, touch screens, servo motors, switches, CPUs, wires and cables, low voltage and switch cabinets, as well as inverters, HMIs and PLCs from top manufacturers such as ABB, Siemens, Schneider, Omron, Allen-Bradley and Mitsubishi. We always adhere to our core principle of providing value through competitive prices and excellent service.

Product after-sales
The products sold by our company are all brand new and original.
We provide one-year after-sales warranty service for all products.
If there are any quality problems with the purchased products within 30 days, you can apply for a refund.

FAQ

Q: What are the processing speed and memory specifications of the CJ2M-CPU14?

A: The CJ2M-CPU14 executes LD instructions in 0.04 µs per step, enabling real-time control for high-speed automation applications. It offers 30K steps of program capacity and 160K words of data memory, consisting of 32K words of DM (Data Memory) and 32K words × 4 banks of EM (Extended Memory). This memory configuration supports complex control algorithms and large-scale data logging without external storage.

Q: What is the maximum I/O expansion capacity?

A: The CPU supports up to 2,560 local I/O points with a maximum of 40 expansion units connected across 3 expansion racks. Using the CJ1W-IC101 expansion I/O control unit and CJ1W-II101 interface units, the system achieves a total expansion cable length of up to 12 meters between racks.

Q: What communication ports are built into the CPU?

A: The CJ2M-CPU14 includes a built-in USB programming port (compatible with the CS1W-CIF31 USB-to-RS-232C converter cable) and one RS-232C serial port on a 9-pin D-sub connector. The RS-232C port supports Sysmac communications, allowing direct connection to HMIs, drives, and third-party devices without additional communication modules.

Q: What are the physical dimensions and mounting requirements?

A: The unit measures 90 mm (H) × 31 mm (W) × 84.5 mm (D) and weighs 130 g (0.287 lb). It mounts on a standard DIN rail (35 mm) and requires 50 mm clearance above and below for ventilation. The operating temperature range is 0°C to 55°C (32°F to 131°F) with 10% to 90% relative humidity (non-condensing).

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