{"product_id":"omron-cj2m-cpu12-cj2m-cpu-unit","title":"Unité CPU CJ2M Omron CJ2M-CPU12","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eOmron CJ2M-CPU12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance, compact CPU unit from the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSYSMAC CJ2M\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries, designed for versatile and scalable industrial automation. As the \"Standard\" type CPU in the CJ2M lineup, it offers a significant leap in processing speed and memory capacity compared to the earlier CJ1 series. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ2M-CPU12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis particularly well-suited for medium-scale applications, such as specialized packaging machinery, pick-and-place robotics, and synchronized assembly lines. It features a high-speed processor capable of executing basic LD instructions in just\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.04 µs\u003c\/strong\u003e, ensuring highly responsive machine control. With its modular design, the unit can manage up to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2,560 I\/O points\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacross three expansion racks, providing the flexibility needed for future system growth.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ2M-CPU12\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003earchitecture is optimized for modern engineering workflows and high-speed data handling.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Processing\u003c\/strong\u003e: The high-speed execution engine handles both basic and special instructions with low jitter, which is critical for precise timing in motion applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMemory Management\u003c\/strong\u003e: Provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e10k steps\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof program capacity and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e64K words\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof Data Memory (DM), allowing for complex logic and extensive recipe storage without the need for external memory cards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUSB Programming Port\u003c\/strong\u003e: Features a built-in peripheral USB port for high-speed programming and monitoring using\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX-Programmer\u003c\/strong\u003e, eliminating the need for specialized serial conversion cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptional Functional Modules\u003c\/strong\u003e: Supports the addition of a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePulse I\/O Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(up to 2 modules per CPU) for high-speed counter inputs and pulse outputs, enabling simple 4-axis motion control directly from the CPU.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSerial Communications\u003c\/strong\u003e: Includes an RS-232C port for interfacing with HMI panels, barcode readers, or simple serial-controlled drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCJ2M-CPU12\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOmron\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSYSMAC CJ2M\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProgram Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10k steps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Memory (DM)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e64k words\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2,560 points \/ 40 Units\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLD Execution Time\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.04 µs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eExpansion Racks\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3 Racks Maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStandards\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUC1, N, L, CE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.13 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.5 A at 5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I handle program backup on the CJ2M-CPU12?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CPU uses non-volatile flash memory for the user program and parameter areas. While a battery is included, it is primarily used to maintain the Real-Time Clock (RTC) and the values in the Retentive Data Memory (DM) during power loss.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use CJ1W series modules with this CPU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. One of the primary advantages of the CJ2M series is its complete backward compatibility with the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ1W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eI\/O, Communication, and Special Function modules. This allows for cost-effective upgrades of older systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the CJ2M-CPU12 support Ethernet\/IP?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CPU12 model features a built-in RS-232C port. For integrated Ethernet\/IP support, you would need the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ2M-CPU3x\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries (e.g., CJ2M-CPU32). Alternatively, you can add a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ1W-EIP21\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule to the rack.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBattery Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe CJ2M-CPU12 comes with a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCJ1W-BAT01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elithium battery. Ensure you check the \"Battery Low\" indicator on the front panel. If the LED is lit, replace the battery within five days while the power is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eON\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto prevent the loss of data stored in the retentive DM areas.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulse I\/O Module Installation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIf you are using the optional Pulse I\/O modules (CJ2M-MD211\/212), they must be installed in the dedicated slots to the left of the CPU. Ensure the PLC power is off during installation to avoid damaging the internal bus circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding and Noise:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor reliable operation in high-noise environments, ensure the functional ground (FG) terminal on the power supply module is connected to a dedicated ground of 100 Ω or less. Keep the PLC wiring separate from high-voltage power lines to minimize electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077937979755,"sku":"CJ2M-CPU12","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj2m-cpu12-12uli2wsskz.png?v=1775733559","url":"https:\/\/www.plcprotech.com\/fr\/products\/omron-cj2m-cpu12-cj2m-cpu-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}