{"product_id":"omron-cj2m-cpu35-cj2m-ethernet-ip-cpu-unit","title":"Omron CJ2M-CPU35 CJ2M EtherNet\/IP CPU Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eIndustrial control architectures and high-speed machine networks utilize the \u003cstrong\u003eOmron CJ2M-CPU35\u003c\/strong\u003e Central Processing Unit to achieve seamless, integrated communications and high-speed sequence processing. Engineered for the SYSMAC CJ Series platform, this unit features an onboard EtherNet\/IP interface alongside a high-density processing engine, making it a reliable choice for distributed system monitoring, packaging lines, and coordinated machine automation. With support for flexible program step configurations and expansive I\/O capacities, the CPU functions efficiently as the primary node within demanding manufacturing environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Communications:\u003c\/strong\u003e Built-in EtherNet\/IP port supports tag data links, message communications, and direct utility connections without auxiliary cards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpansive Logic Capacity:\u003c\/strong\u003e Accommodates up to 60K steps of program capacity and 160K words of data memory allocation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable I\/O Footprint:\u003c\/strong\u003e Manages up to 2560 I\/O points and controls up to 40 modules spread across 3 expansion racks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Instruction Set:\u003c\/strong\u003e Features an execution speed rating of 0.04 microseconds for basic LD instructions, ensuring highly responsive logic execution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard Diagnostic Interface:\u003c\/strong\u003e Built-in USB Type-B peripheral port provides high-speed connection for system programming, monitoring, and debugging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomated Packaging Equipment:\u003c\/strong\u003e Direct control of high-speed filling, sealing, and wrapping machinery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling Systems:\u003c\/strong\u003e Coordination of intelligent conveyor systems, sorters, and transfer stations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater and Wastewater Treatment:\u003c\/strong\u003e Integration of telemetry, pumping systems, and sequence controls over EtherNet\/IP networks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive Assembly Sub-stations:\u003c\/strong\u003e Execution of critical interlocking, quality verification, and device-level monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCJ2M-CPU35\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCJ2M Series (Built-in EtherNet\/IP)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProgram Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e60K steps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eData Memory Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e160K words (DM: 32K words, EM: 32K words x 4 banks)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eI\/O Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e2560 points\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMax Mountable Units\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e40 Units (maximum of 3 Expansion Racks)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eLD Instruction Execution\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.04 microseconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.7 A at 5 VDC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOnboard Interfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eEtherNet\/IP (RJ45), USB 2.0 (Type-B)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDimensions (H x W x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e90 mm x 75 mm x 62 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.19 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.50 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748; text-align: left;\"\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003ePort \/ Interface\u003c\/th\u003e\n        \u003cth style=\"padding: 8px; font-weight: bold;\"\u003eFunctional Assignment\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eEtherNet\/IP Port (RJ45)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIndustrial Ethernet communications, Tag Data Links, CX-Programmer online access, and peer-to-peer data exchange.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePeripheral Port (USB)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eDirect USB 2.0 programming connection (Type-B) for controller commissioning and diagnostics.\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOption Board Slot\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eAccepts serial communication boards (RS-232C or RS-422A\/485) for integration with legacy field devices.\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe CJ2M-CPU35 serves as an direct functional migration path from legacy CJ1G and CJ1M CPU modules. While it maintains physical backplane compatibility with standard CJ1W I\/O modules, configurations utilizing older serial networks may require an added serial option board, as serial ports are optional on this processor model compared to predecessor units.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen configuring extensive EtherNet\/IP Tag Data Links, implement network switches supporting IGMP Snooping. Without active multicast management, the network ports of adjacent devices can become saturated with unnecessary multicast packets, resulting in increased communication jitter or cyclic execution timeouts inside the CPU.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways use category 5e or higher shielded twisted-pair (STP) cables with double-shielding for the built-in EtherNet\/IP interface. To prevent electrical noise ingress from surrounding variable frequency drives, verify that the RJ45 shielding ground is continuous with the control panel DIN rail ground point.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c;\"\u003eCRITICAL WARNING:\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0.5rem 0 0 0;\"\u003eIsolate and lock out all upstream electrical power supplies prior to inserting, removing, or wiring the CPU module. Performing operations on an active backplane can cause terminal damage to the backplane connectors, corrupt internal program memory, or result in unpredictable physical machinery movements.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eMount the CPU module securely onto the backplane, ensuring it clicks firmly into the adjacent CJ1W power supply unit.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eEngage the yellow slide locks located at the top and bottom of the CJ2M module to lock the structural assembly together.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eConnect the shielded Ethernet cable to the built-in RJ45 port and verify that the cable shield is grounded correctly at the switch side.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; margin-right: 10px; flex-shrink: 0; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748;\"\u003eEnergize the power supply, establish connection using CX-Programmer via the USB interface, and configure the IP address parameters.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077903769963,"sku":"CJ2M-CPU35","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj2m-cpu35-e0hkbbyvjqw.png?v=1775733567","url":"https:\/\/www.plcprotech.com\/products\/omron-cj2m-cpu35-cj2m-ethernet-ip-cpu-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}