Omron CJ2M-CPU32 CPU Modular PLC With EtherNet/IP Port CPU Ver.2.1 EIP Ver.2.1

Omron CJ2M-CPU32 CPU with built-in EtherNet/IP port CPU Ver.2.1 EIP Ver.2.1

1. Overview of the Omron CJ2M-CPU32

The Omron CJ2M-CPU32 is the performance leader in the Omron CJ2M series. Housed in a compact 90 × 65 × 66 mm body, it integrates a high-speed processor capable of executing 5k-step LD instructions in just 0.04 μs. The system can be expanded to accommodate up to 40 CJ series modules, effortlessly managing 2,560 I/O points. It features a built-in 256k-step program capacity, 448k-word data memory, and 32k-word retentive memory, providing ample space for complex recipes, data logging, and floating-point operations. It also features a USB 2.0 programming port and RS-232C communication ports, enabling one-touch online debugging, remote monitoring, and program upgrades, eliminating the capacity bottlenecks of traditional PLCs.

Motion control has evolved. The CPU32 features four axes of high-speed pulse output, with a single axis speed of up to 1 MHz, supporting linear and circular interpolation and synchronized electronic gearing. Four 1 MHz high-speed counters and interrupt inputs enable seamless length measurement, position capture, and flying shear tracking. A built-in EtherNet/IP port allows direct access to SCADA, MES, and cloud gateways, enabling seamless collaboration among robotics, servo, and vision systems. When used with the CJ series EtherCAT expansion module, servo cycles can be compressed to 1 ms, ensuring millisecond-level accuracy for high-speed production lines in industries such as packaging, lithium batteries, and consumer electronics.

2. Core Features:

1. Core Hardware Specifications
• CPU Type: CJ2M series compact modular PLC, 90 mm × 65 mm × 66 mm, DIN rail mountable without a baseplate.
• Processing Performance: LD instruction 40 ns; Program capacity 150 k steps; Data storage 448 k words.
• I/O Capacity: 40 built-in points (24 24 V DC inputs + 16 relay outputs); maximum system capacity 2,560 points, supports 40 CJ series expansion modules (including 3-stage expansion units).
• Power Supply: Externally supplied with a CJ1W-PA/PD power supply unit, DC 24 V or AC 100-240 V auto-sensing. 2. Built-in and Expandable Functions
• Motion Control: The CPU supports 4 axes of 1 MHz high-speed pulse output (linear/circular interpolation, electronic gearing, and synchronous tracking); the optional CJ2M-MD21 pulse I/O module adds 4 more axes.
• High-Speed ​​Counter: Built-in 4-channel 1 MHz high-speed counters + 8-channel interrupt inputs, supporting encoder ABZ phase AND pulse + direction modes.
• Communication Interfaces:
– USB 2.0 (Programming/Monitoring)
– RS-232C x 1 (D-Sub 9P)
– Built-in EtherNet/IP port x 1, supporting Modbus-TCP, FINS/UDP, and Socket services
– RS-485/422 (expandable via the CJ1W-SCU module)
• Analog Function: Modules such as the CJ1W-MAD42 enable 1/12,000 high-resolution analog input/output. 3. Software and Diagnostic Features
• Programming Languages: Ladder, ST, FB, SFC, approximately 400 advanced instructions, supporting floating-point, trigonometric, PID, and file operations.
• Real-time Diagnostics: Online monitoring, variable forcing, data tracking, and SD card data logging; automatic email/FTP alerts for system anomalies.
• Maintenance and Upgrades: CX-Programmer with one-click backup/restore; firmware and function block updates remotely via USB or EtherNet/IP; and module hot swapping without downtime.

3.Product details pictures

4. Related products

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