{"product_id":"omron-cj2m-cpu32-cj2m-series-cpu-unit-with-built-in-ethernet-ip","title":"Omron CJ2M-CPU32 CJ2M Series CPU Unit with Built-in EtherNet\/IP","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDesigned for distributed machine control applications, the \u003cstrong\u003eOmron CJ2M-CPU32\u003c\/strong\u003e processor offers integrated EtherNet\/IP networking and high-speed execution capabilities within the modular SYSMAC CJ Series platform. As an industrial automation workhorse, this controller provides a versatile processing solution featuring built-in Ethernet TCP\/IP, USB, and EtherNet\/IP interfaces, making it highly compatible with modern factory automation networks. The CPU is equipped with an option slot that allows direct integration of a pulse I\/O module to facilitate precise positioning control. Engineered to deliver exceptional processing speed and memory depth, the \u003cstrong\u003eOmron CJ2M-CPU32\u003c\/strong\u003e manages complex logic operations and high-density industrial I\/O configurations with ease, ensuring low cycle times and high reliability in demanding automation setups.\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 style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eHigh-Speed Processing:\u003c\/strong\u003e Performs logical instruction execution in just 0.04 microseconds, minimizing system scan time.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eIntegrated EtherNet\/IP Port:\u003c\/strong\u003e Built-in RJ45 EtherNet\/IP interface supports cyclic tag data links and message communications for direct SCADA, HMI, and peer-to-peer PLC networking.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eFlexible Memory Allocation:\u003c\/strong\u003e Features a program capacity of 30K steps and a data memory capacity of 64K words for handling sophisticated sequence algorithms.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eUSB Interface:\u003c\/strong\u003e Built-in USB 2.0 programming port allows convenient, high-speed connection to CX-Programmer or Sysmac Studio software without specialized adapters.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003e\n\u003cstrong\u003eExpandable Modularity:\u003c\/strong\u003e Supports up to 40 expansion units and can manage a local digital configuration of up to 2,560 I\/O points across the rack assembly.\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 style=\"margin-bottom: 0.5rem;\"\u003eMulti-axis positioning systems using optional high-speed pulse I\/O boards.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003ePackaging and labeling machinery requiring high-speed indexing and cyclic sensor evaluation.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eDistributed water treatment control and remote telemetry stations.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eMaterial handling and conveyoring systems integrated with EtherNet\/IP frequency drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\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; font-family: sans-serif;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eValue \/ Rating\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: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eOmron Electronics\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCJ2M-CPU32\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSYSMAC CJ2M\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProgram Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e30K steps\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eData Memory Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e64K words (DM: 32K words, EM: 32K words x 1 bank)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eLD Instruction Execution Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.04 microseconds\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOnboard Interfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\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: 10px; font-weight: bold;\"\u003eMax. Number of Expansion Units\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e40 Units\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMax. Local I\/O Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2560 points\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOption Slot\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1 slot for Pulse I\/O board (CJ2M-MD211 or CJ2M-MD212)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.5 A at 5 VDC (from the backplane bus)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDimensions (H x W x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e90 mm x 62 mm x 84.5 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNet Unit Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e190 grams (0.19 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; font-family: sans-serif;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003ePort \/ Interface Type\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; font-weight: bold;\"\u003eConnector Specification\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 10px; 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: 10px; font-weight: bold;\"\u003eEtherNet\/IP Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRJ45 Shielded Connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCyclic Tag Data Links, FINS Message Communications, Socket TCP\/IP Client\/Server\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePeripheral USB Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eUSB Type B Female (USB 2.0 Compliant)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCX-Programmer Programming, Diagnostics, and Online Monitoring Interface\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePulse I\/O Option Slot\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eProprietary internal slot connector\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePhysical hosting for CJ2M-MD211 (Sinking) or CJ2M-MD212 (Sourcing) Pulse boards\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe \u003cstrong\u003eCJ2M-CPU32\u003c\/strong\u003e serves as a direct upgrade to the legacy CJ1M and CJ1G series processor modules, aligning perfectly with existing CJ-series backplanes. However, users should note that the built-in EtherNet\/IP functionality of the CPU3x series consumes a functional Node address and requires \u003cstrong\u003eCX-Programmer version 9.12 or higher\u003c\/strong\u003e for proper hardware configuration and tag synchronization. If a built-in EtherNet\/IP port is not required by your design, the lower-cost CJ2M-CPU12 model may be considered as a functional alternative, though it will require external serial or separate Ethernet modules for field network access.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen configuring cyclic Tag Data Links over the built-in EtherNet\/IP port, calculate the total packet-per-second (PPS) load. The \u003cstrong\u003eCJ2M-CPU32\u003c\/strong\u003e supports a maximum processing capacity of 1,200 PPS. Exceeding this packet threshold can lead to watchdog timeout errors, communication drops, or extended PLC cycle times. Additionally, ensure that IP routing tables do not conflict with the native FINS UDP\/TCP routing system configured within CX-Programmer to prevent dropped programming connections.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways ensure that the CPU rack's power supply module is fully isolated and powered down before installing or removing the optional Pulse I\/O board. Ensure the shielding of your EtherNet\/IP RJ45 cables is grounded directly to the control panel's single-point ground. If mounting a CJ2M-MD211 Pulse I\/O unit on the left side of the CPU, keep all low-voltage pulse signal lines segregated from 400V high-power AC motor drives to protect high-frequency counter signals against electromagnetic noise degradation.\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; color: #9b2c2c;\"\u003e\n  \u003cstrong\u003eCRITICAL WARNING:\u003c\/strong\u003e De-energize all primary and secondary power lines feeding the PLC backplane rack before attempting physical installation, module replacement, or option card insertions. Failure to completely isolate the power supply during hardware modifications will cause immediate backplane bus damage, processor corruption, or failure of connected physical digital outputs.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eMount the PLC main rack onto a grounded 35 mm DIN rail inside a protective NEMA or IP54 electrical enclosure.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eAlign the rear bus connector of the CJ2M-CPU32 with the corresponding slot immediately to the right of the power supply module. Push the CPU unit firmly until the top and bottom latch levers snap into place.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eIf an optional Pulse I\/O module (CJ2M-MD211\/MD212) is being deployed, loosen the front plate screws of the option slot on the CPU, insert the card carefully into the guide rails, and lock the securing latch.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eConnect a shielded Category 5e (or better) RJ45 Ethernet cable to the EtherNet\/IP port, routing it away from high-noise power cabling.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; min-width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e5\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 3px;\"\u003eVerify your rack ground resistance is under 100 ohms before powering up the system for commissioning.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077921956203,"sku":"CJ2M-CPU32","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj2m-cpu32-qly1224enph.png?v=1775733563","url":"https:\/\/www.plcprotech.com\/id\/products\/omron-cj2m-cpu32-cj2m-series-cpu-unit-with-built-in-ethernet-ip","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}