{"product_id":"cj1g-cpu42h-omron-cj1-series-cpu-unit","title":"CJ1G-CPU42H Omron CJ1 Series CPU Unit","description":"\u003cp\u003eConfigured for high-speed program execution and data memory handling in Omron CJ1 systems, the \u003cb\u003eOmron CJ1G-CPU42H\u003c\/b\u003e (\u003cb\u003eCJ1G-CPU42H\u003c\/b\u003e CPU Unit) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eModel Nomenclature \u0026amp; Functional Variant\u003c\/h3\u003e\n\u003cp\u003eThe CJ1G-CPU42H belongs to the Omron CJ1G high-speed CPU family. The base designation \"CJ1G\" indicates high-performance processing capabilities within the small-form-factor CJ-series architecture. The suffix \"-CPU42H\" specifies the memory footprint configuration (10 Ksteps program capacity, 64 Kwords total Data Memory) and internal bus timing profiles optimized for complex sequence control and data log management.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\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\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCJ1G-CPU42H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\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\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e160 mm x 130 mm x 90 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.91 A at 5 VDC (Backplane)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eI\/O Capacity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e960 points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProgram Memory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10 Ksteps\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eData Memory\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e64 Kwords (DM: 32 Kwords, EM: 32 Kwords x 1 bank)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDeterministic System Integration \u0026amp; Bus Execution\u003c\/h3\u003e\n\u003cp\u003eThe unit communicates across the internal CJ-series backplane bus communication velocity profile to execute instruction processing without execution lag. The hardware interface maintains firmware flash compatibility with Omron CX-Programmer tools, supporting continuous backplane refresh sequences and deterministic network synchronization over EtherNet\/IP and Controller Link modules.\u003c\/p\u003e\n\u003ch3\u003eOrdering \u0026amp; Package Verification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Omron CJ1G-CPU42H Central Processing Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Set of Terminal Block Protective Covers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Hardware Instruction Sheet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation \u0026amp; Cabling Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDIN-Rail Mounting \u0026amp; Mechanical Clearance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eMount the unit vertically onto a standard 35 mm DIN rail. Secure the assembly using end plates on both sides to prevent lateral movement along the rail. Maintain a minimum top and bottom vertical clearance of 50 mm for heat convection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBackplane Grounding \u0026amp; Wiring Safety\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eConnect the functional ground (FG) terminal of the adjacent power supply unit directly to a dedicated earth ground (less than 100 ohms). Ensure all wiring runs stay segregated from high-voltage power lines to prevent EMI interference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Inquiry Knowledgebase\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the 5 VDC backplane current draw for the CJ1G-CPU42H processor?\u003c\/p\u003e\n\u003cp\u003eThe module consumes 0.91 A from the 5 VDC internal backplane bus supplied by the system power supply module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CJ1G-CPU42H unit be installed or removed under active rack power?\u003c\/p\u003e\n\u003cp\u003eNo, active hot-swapping of the CPU unit is prohibited. The system power supply must be powered off before removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum local hardware I\/O point expansion capacity?\u003c\/p\u003e\n\u003cp\u003eThe processor directly controls up to 960 local I\/O points when configured with compatible CJ-series expansion racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat memory structure is available for system user data storage?\u003c\/p\u003e\n\u003cp\u003eIt features 64 Kwords of Data Memory split into 32 Kwords of standard DM and 32 Kwords of EM across 1 bank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the internal CPU memory backed up against power degradation?\u003c\/p\u003e\n\u003cp\u003eYes, system parameters and standard DM areas are preserved using an internal lithium battery during power loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat environment constraints apply to the physical operating area?\u003c\/p\u003e\n\u003cp\u003eOperate within ambient temperatures of 0 to 55 deg C and non-condensing relative humidity levels from 10% to 90%.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is user program code loaded into the execution memory?\u003c\/p\u003e\n\u003cp\u003ePrograms transfer via the built-in peripheral port or serial communications board using CX-Programmer software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the processor support external memory card storage?\u003c\/p\u003e\n\u003cp\u003eYes, the front panel includes a CompactFlash card slot for memory backup, log retention, and recipe loading.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306623451309,"sku":"CJ1G-CPU42H","price":258.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/omron_cj1g-cpu42h_2.jpg?v=1788056427","url":"https:\/\/www.maxwellplc.com\/products\/cj1g-cpu42h-omron-cj1-series-cpu-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}