{"product_id":"omron-cj1g-cpu44h-cpu-unit-cj1-series","title":"Omron CJ1G-CPU44H CPU Unit CJ1 Series","description":"\u003cp\u003eConfigured for high-density program execution and expanded register processing in Omron CJ1 systems, the \u003cstrong\u003eOmron CJ1G-CPU44H\u003c\/strong\u003e (\u003cstrong\u003eCJ1G-CPU44H\u003c\/strong\u003e CPU Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eMemory Allocation \u0026amp; Model Designation\u003c\/h3\u003e\n\u003cp\u003eThe model number CJ1G-CPU44H specifies a high-speed central processing unit within the Omron CJ1 controller architecture. The base designation \"CJ1G\" indicates high-performance ladder processing capabilities. The suffix \"-CPU44H\" identifies an expanded memory allocation featuring 30 Ksteps of program capacity alongside 64 Kwords of system data memory (DM: 32 Kwords, EM: 32 Kwords x 1 bank), engineered for expanded I\/O density scaling up to 1280 local points.\u003c\/p\u003e\n\u003ch3\u003eSystem Operating Parameters\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\u003eCJ1G-CPU44H\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\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e160 mm x 130 mm x 90 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\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\u003e0.91 A at 5 VDC (Backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e1280 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Capacity\u003c\/td\u003e\n\u003ctd\u003e30 Ksteps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Memory Capacity\u003c\/td\u003e\n\u003ctd\u003e64 K words (DM: 32 K words, EM: 32 K words x 1 bank)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Synchronization \u0026amp; Network Protocol Routing\u003c\/h3\u003e\n\u003cp\u003eThe CPU manages high-speed cyclic I\/O scans across the internal CJ-series backplane bus communication velocity framework. Maintaining strict firmware flash compatibility with CX-Programmer tools, the unit facilitates real-time data frame transmission across Profinet \/ EtherNet\/IP deterministic networks without introducing scan-time delays during large memory array operations.\u003c\/p\u003e\n\u003ch3\u003eStandard Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron CJ1G-CPU44H Central Processing Unit\u003c\/li\u003e\n\u003cli\u003e1 x Peripheral Bus Connector Protection Cover\u003c\/li\u003e\n\u003cli\u003e1 x Product Reference \u0026amp; Installation Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical Mounting \u0026amp; Field Wiring Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDIN-Rail Securement \u0026amp; Convection Gaps\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eInstall the CPU unit directly onto a rigid 35 mm DIN rail inside a protective control enclosure. Lock the CPU assembly in place using end brackets on both flanks. Maintain a vertical distance of at least 50 mm above and below the housing to facilitate passive convection cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGrounding Practices \u0026amp; Signal Isolation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGround the functional earth (FE) terminal on the adjacent power supply block using a dedicated lead with ground resistance below 100 ohms. Separate CPU communication lines from 230 VAC power conduits and motor drive leads to avoid electromagnetic interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Technical Knowledgebase\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the electrical current demand from the internal 5 VDC backplane rail?\u003c\/p\u003e\n\u003cp\u003eThe CJ1G-CPU44H draws 0.91 A at 5 VDC directly from the system power supply module across the internal backplane bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CPU unit be inserted or extracted while rack power is energized?\u003c\/p\u003e\n\u003cp\u003eNo, hot-swapping is strictly prohibited. Mains supply to the rack power module must be disconnected before installation or removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum discrete I\/O count does this processor support locally?\u003c\/p\u003e\n\u003cp\u003eThe CPU addresses up to 1280 local I\/O points distributed across the main rack and connected CJ-series expansion racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the internal memory partitioned for program and register storage?\u003c\/p\u003e\n\u003cp\u003eThe processor provides 30 Ksteps of program memory alongside 64 Kwords of data memory (32 Kwords DM and 32 Kwords EM x 1 bank).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are active program files and memory values retained during power failures?\u003c\/p\u003e\n\u003cp\u003eAn onboard replaceable lithium battery maintains the internal user RAM, clock variables, and non-volatile DM locations during outages.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat interface connections are available for logic loading and diagnostic tools?\u003c\/p\u003e\n\u003cp\u003ePrograms transfer via the integrated peripheral port, optional serial board, or directly through the front-panel CompactFlash slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat are the allowable operating ambient temperatures for panel mounting?\u003c\/p\u003e\n\u003cp\u003eThe module operates within an ambient temperature boundary of 0 to 55 deg C with relative humidity between 10% and 90% non-condensing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the processor support external storage media for data log retention?\u003c\/p\u003e\n\u003cp\u003eYes, the front panel incorporates a CompactFlash card slot for parameter transfers, memory backups, and user data logging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306667786413,"sku":"CJ1G-CPU44H","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1G-CPU44H_2.jpg?v=1788057989","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cj1g-cpu44h-cpu-unit-cj1-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}