{"product_id":"cj2m-cpu12-omron-cj2-series-cpu-unit","title":"CJ2M-CPU12 Omron CJ2 Series CPU Unit","description":"\u003cp\u003eConfigured for high-speed program execution and centralized system logic management in SYSMAC CJ Series control architectures, the \u003cstrong\u003eOmron CJ2M-CPU12\u003c\/strong\u003e (\u003cstrong\u003eCJ2M-CPU12\u003c\/strong\u003e CPU Unit) provides direct physical\/electrical execution across local and expansion backplanes.\u003c\/p\u003e\n\u003ch3\u003eArchitecture Designation \u0026amp; Model Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Family\u003c\/strong\u003e: SYSMAC CJ2 Series PLC System.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcessor Class\u003c\/strong\u003e: CJ2M Series modular CPU with scalable program memory and execution hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity Level\u003c\/strong\u003e: 12 designation indicates 10k steps of program capacity paired with 64K words of Data Memory (DM).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSystem Performance \u0026amp; Mechanical Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCJ2M-CPU12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCPU Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Capacity\u003c\/td\u003e\n\u003ctd\u003e10k steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Memory Capacity\u003c\/td\u003e\n\u003ctd\u003e64K words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLD Instruction Execution Time\u003c\/td\u003e\n\u003ctd\u003e0.04 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMountable Capacity\u003c\/td\u003e\n\u003ctd\u003e2,560 I\/O points max. \/ 40 Units max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Rack Limit\u003c\/td\u003e\n\u003ctd\u003e3 Expansion Racks maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (H x W x D)\u003c\/td\u003e\n\u003ctd\u003e90.00 mm x 31.00 mm x 84.50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20.00 cm x 15.00 cm x 10.00 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.13 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.50 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandards Conformance\u003c\/td\u003e\n\u003ctd\u003eUC1, N, L, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Firmware Scaling\u003c\/h3\u003e\n\u003cp\u003eThe CJ2M-CPU12 unit utilizes high-speed internal bus arbitration to maximize backplane bus communication velocity across up to 40 mountable units. This architecture minimizes overhead cycles during high-density I\/O data refreshing. Embedded flash memory handles firmware flash compatibility and system routine storage, sustaining deterministic execution times of 0.04 us for basic LD operations across multi-rack topologies.\u003c\/p\u003e\n\u003ch3\u003eShipping Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron CJ2M-CPU12 CPU Unit\u003c\/li\u003e\n\u003cli\u003e1 x CJ-Series End Cover (Right Side)\u003c\/li\u003e\n\u003cli\u003e1 x Operation Manual Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Mounting \u0026amp; Integration Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eRack Assembly Procedure\u003c\/p\u003e\n\u003cp\u003eLock the CPU unit to the power supply unit on the CPU Rack. Always install the provided End Cover on the rightmost unit of the backplane bus to ensure electrical termination.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpansion Interconnection\u003c\/p\u003e\n\u003cp\u003eConnect expansion racks using dedicated I\/O connecting cables. Do not exceed the maximum limit of 3 expansion racks or a total length of 12 meters across all expansion cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarthing Isolation\u003c\/p\u003e\n\u003cp\u003eConnect the functional ground terminal on the CPU rack directly to a dedicated ground stake (under 100 ohms resistance) to prevent high-frequency noise interference on the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the CJ2M-CPU12 support hot-swapping during operational run mode?\u003c\/p\u003e\n\u003cp\u003eNo, removing or inserting modules on the main CPU rack or expansion racks while power is applied disrupts backplane communication and may cause system damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the execution speed for basic instructions?\u003c\/p\u003e\n\u003cp\u003eBasic ladder logic (LD) instructions execute in 0.04 us, enabling fast processing cycle times for complex sequential control routines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many total I\/O points can this processor address directly?\u003c\/p\u003e\n\u003cp\u003eThe processor supports up to 2,560 local and expansion I\/O points distributed across a maximum of 40 installed I\/O modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is user memory retained during a power shutdown?\u003c\/p\u003e\n\u003cp\u003eProgram capacity and system settings reside in non-volatile flash memory, while data memory retention relies on an internal battery backup circuit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the purpose of the right-side End Cover included with the unit?\u003c\/p\u003e\n\u003cp\u003eThe End Cover terminates the high-speed backplane bus lines; without it installed on the last slot, a bus error will block system operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CPU firmware be upgraded via memory card?\u003c\/p\u003e\n\u003cp\u003eYes, firmware updates can be flashed to the unit using compatible memory cards formatted to official system update specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many expansion racks can be connected to a single CPU unit?\u003c\/p\u003e\n\u003cp\u003eA maximum of 3 expansion racks can be connected to the CPU rack via dedicated expansion cables without degrading bus timing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the unit include an onboard EtherCAT port?\u003c\/p\u003e\n\u003cp\u003eNo, the CJ2M-CPU12 relies on dedicated bus communication modules installed on the backplane to interface with external deterministic networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306597269677,"sku":"CJ2M-CPU12","price":273.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/omron_cj2m-cpu12_1.jpg?v=1787612579","url":"https:\/\/www.maxwellplc.com\/ru\/products\/cj2m-cpu12-omron-cj2-series-cpu-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}