{"product_id":"omron-cj2h-cpu66-programmable-logic-controller-cj2-series","title":"Omron CJ2H-CPU66 Programmable Logic Controller CJ2 Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CJ2H-CPU66\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCJ2H-CPU66\u003c\/strong\u003e Programmable Logic Controller, operates as a dedicated hardware component for centralized logic processing and instruction execution within Omron CJ2 Series automation systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Part Number:\u003c\/strong\u003e CJ2H-CPU66\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Platform:\u003c\/strong\u003e CJ2 Series (CJ2H)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Classification:\u003c\/strong\u003e Programmable Logic Controller (Central Processing Unit)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Execution Architecture:\u003c\/strong\u003e Dual processing engine (Standard CPU + Execution IC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware 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\u003eCJ2H-CPU66\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.20 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e6.5 cm x 4.9 cm x 9.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e12.0 cm x 8.0 cm x 11.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.42 A at 5 VDC (Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Program Memory\u003c\/td\u003e\n\u003ctd\u003e150K steps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e2560 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverhead Processing Time\u003c\/td\u003e\n\u003ctd\u003e100 us\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasic Instruction Execution Speed\u003c\/td\u003e\n\u003ctd\u003e0.016 us min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial Instruction Execution Speed\u003c\/td\u003e\n\u003ctd\u003e0.048 us min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCyclic Task Flag Area\u003c\/td\u003e\n\u003ctd\u003e128 flags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForce-Set\/Reset EM Area Banks\u003c\/td\u003e\n\u003ctd\u003eBanks 0 to 9 hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForce-Set\/Reset Auto Allocation Banks\u003c\/td\u003e\n\u003ctd\u003eBanks 6 to 9 hex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Memory Cards\u003c\/td\u003e\n\u003ctd\u003e128 MB, 256 MB, 512 MB (Flash)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction Block Definitions (Max)\u003c\/td\u003e\n\u003ctd\u003e2048\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction Block Instances (Max)\u003c\/td\u003e\n\u003ctd\u003e2048\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeripheral Serial Port Interface\u003c\/td\u003e\n\u003ctd\u003eRS-232C (Half-duplex, Start-stop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Transmission Baud Rates\u003c\/td\u003e\n\u003ctd\u003e0.3 \/ 0.6 \/ 1.2 \/ 2.4 \/ 4.8 \/ 9.6 \/ 19.2 \/ 38.4 \/ 57.6 \/ 115.2 kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Cable Distance\u003c\/td\u003e\n\u003ctd\u003e15 m max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrounding Resistance\u003c\/td\u003e\n\u003ctd\u003eLess than 100 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eMounted in a panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Throughput and Instruction Determinism\u003c\/h3\u003e\n\u003cp\u003eThe Omron CJ2H-CPU66 utilizes an optimized backplane bus structure designed for high-density I\/O scaling and high-speed data exchange with Special I\/O Units and CPU Bus Units. Featuring a dedicated hardware engine for instruction execution, the unit reaches basic instruction execution times down to 0.016 us min. and special instruction times down to 0.048 us min.\u003c\/p\u003e\n\u003cp\u003eDeterministic processing is maintained via a structured overhead time of 100 us, enabling fast loop execution. The backplane system power rail draws 0.42 A at 5 VDC directly from the CJ1W power supply unit mounted on the CPU rack, eliminating local power conversion bottlenecks and maintaining noise immunity across the local bus busbars.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CJ2H-CPU66 Central Processing Unit\u003c\/li\u003e\n\u003cli\u003e1x CJ-Series Battery (CJ1W-BAT01, installed or loose)\u003c\/li\u003e\n\u003cli\u003e1x Peripheral Port Cover\u003c\/li\u003e\n\u003cli\u003e1x Instruction Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel Mounting:\u003c\/strong\u003e Secure the unit onto a standard DIN rail (35 mm) or mount directly into an enclosure backplate using M4 screws. Ensure minimum vertical clearances of 20 mm above and below the CPU for passive thermal airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Assembly:\u003c\/strong\u003e Join the CPU module to adjacent I\/O modules using the side slide locks. Engage upper and lower sliders until an audible click verifies complete backplane bus coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Grounding:\u003c\/strong\u003e Connect the Functional Ground (FG) terminal on the system power supply unit using a dedicated wire (2.0 mm sq. minimum) to a single-point earth ground. Verify earth resistance measures less than 100 ohm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Wiring:\u003c\/strong\u003e RS-232C cabling attached to the peripheral serial port must not exceed 15 m in overall length. Route communication cables in separate raceways away from high-voltage motor control circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Connect communication cable braids to the connector metal shell to ensure 360-degree shielding against industrial high-frequency electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the input voltage requirement and current drain for the CJ2H-CPU66 on the backplane?\u003c\/p\u003e\n\u003cp\u003eThe module operates on 5 VDC supplied by the rack power supply via the backplane, consuming 0.42 A under standard operational conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the execution speed for basic ladder instructions on this CPU?\u003c\/p\u003e\n\u003cp\u003eBasic ladder instructions execute at a minimum speed of 0.016 us, while special instructions execute at a minimum speed of 0.048 us.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat memory card capacities are supported by the integrated memory card slot?\u003c\/p\u003e\n\u003cp\u003eThe memory card slot accepts official Omron CompactFlash memory cards with capacities of 128 MB, 256 MB, or 512 MB.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the force-setting and force-resetting range available in the EM Area?\u003c\/p\u003e\n\u003cp\u003eForce-setting and force-resetting operations can be performed on EM Area Banks 0 through 9 hex, or Banks 6 through 9 hex under automatic address allocation specifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum serial cable length permitted for the integrated communication port?\u003c\/p\u003e\n\u003cp\u003eThe RS-232C serial communication port supports a maximum transmission distance of 15 m using standard shielded twisted-pair cabling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many function block definitions and instances can be programmed into the unit memory?\u003c\/p\u003e\n\u003cp\u003eThe CPU architecture supports up to 2048 unique function block definitions and up to 2048 instantiated function block calls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum ground resistance value must be maintained during installation?\u003c\/p\u003e\n\u003cp\u003eGrounding connections at the power supply module functional ground point must maintain a resistance value of less than 100 ohm.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CPU be hot-swapped while the CJ-Series backplane is powered?\u003c\/p\u003e\n\u003cp\u003eNo. Power to the CPU rack supply module must be disconnected before installing or removing the CJ2H-CPU66 processor unit to prevent backplane bus damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306627317933,"sku":"CJ2H-CPU66","price":127.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ2H-CPU66_1.jpg?v=1788413660","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cj2h-cpu66-programmable-logic-controller-cj2-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}