CJ2 performs logic, motion, HMI and process control on a single platform.

CJ2 – Omron’s New Small, Fast & Flexible Modular Flagship PAC, with built-in EtherNet/IP and Tag Based Programming

The CJ2 Programmable Automation Controller (PAC) delivers PAC features and capabilities as

defined by ARC Advisory Group in Omron’s popular, compact modular CJ PLC platform.

Multi-domain functionality –

Single multi-discipline development platform - Using a common tag database, PAC and HMI

programming can be developed in parallel, reducing development time. Omron’s CJ2 PAC, NS-Series HMI’s and middleware all share the same tag database. CX-One Software incorporates 16 different development tools.

Software tools that allow access across several machines - Omron’s CJ2 PACs supports Single

Point Multiple Access (SPMA) which enables set-up and programming of all local modules and remotely networked modules.

Open, modular architecture - Omron’s CJ2 supports the capability to handle logic, position & motion control, RFID, analog and temperature control, HMI, bar code, networking modules, communication modules, smart sensors, vision and drives, all in a single modular platform.

Standardized Programming & Open Networks - Omron’s CJ2 supports all IEC61131-3 programming languages: Ladder, Function Block, Structured Text, Sequential Function Chart (SFC) and Instruction List. Open networks enable seamless communications using these protocols: Ethernet, EtherNet/IP, DeviceNet, CompoNet, PROFIBUS, PROFINET, FLNet, MECHATROLINK-II and Serial (RS-232C, RS-422, RS-485).

CJ2 CPU’s – Offer built-in EtherNet/IP networking, High-speed, high-capacity data exchange between PAC’s, PLC’s, HMI’s and I/O devices. EtherNet/IP can be used to perform both information and control Networking, share up to 184,832 words over 256 nodes. CJ2 PAC’s can easily connect to Rockwell’s ControlLogix and CompactLogix PLC’s using EtherNet/IP tag data links.

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Omron CJ2 manual Multi-domain functionality
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CJ2 specifications

The Omron CJ2 series is a powerful and versatile family of programmable logic controllers (PLCs) that exemplify modern automation technology. Known for their robust performance and reliability, CJ2 controllers are widely used in various industries for controlling machinery, processes, and other automated systems.

One of the main features of the CJ2 series is its impressive scalability. The platform offers various models, allowing users to choose the right controller based on their application needs. The CJ2 series supports up to 64 I/O modules, providing ample flexibility for expanding system capabilities. Additionally, it supports more than 4096 I/O points with the right configuration, making it suitable for small to large-scale applications.

The CJ2 series leverages Omron's advanced Kinematics technology, which enhances motion control capabilities. This feature is particularly beneficial for applications requiring precise control over moving parts, such as robotics and material handling systems. The CJ2 can manage multiple axes simultaneously, allowing for complex multi-axis systems to be programmed easily.

Another key characteristic of the CJ2 is its high-speed processing. The controller is equipped with a fast CPU that delivers quick execution of logic programs and supports high-speed data processing, making it ideal for time-critical applications. The CJ2 series also incorporates a rich instruction set that supports various programming languages, including ladder diagram, structured text, and function block diagram, catering to the preferences and needs of different programmers.

Enhanced communication capabilities are another highlight of the Omron CJ2 series. It supports various fieldbus protocols, including Ethernet/IP, Profibus, and DeviceNet, allowing for seamless integration with other devices and systems. This connectivity enables users to build complex, coordinated systems that communicate effectively in real-time.

The CJ2 series also boasts robust diagnostics features, making it easier to troubleshoot and maintain installations. The controller can store extensive diagnostic information, helping users quickly identify issues within the system. Additionally, the CJ2's user-friendly programming environment simplifies the development process, allowing for rapid deployment.

In summary, the Omron CJ2 series stands out for its scalability, advanced motion control capabilities, high-speed processing, and enhanced communication features. These characteristics make it a go-to option for engineers and manufacturers seeking a reliable and flexible PLC solution to meet their automation needs. Its combination of performance, versatility, and user-friendly design cements the CJ2's reputation as a leader in the field of industrial automation.
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