{"product_id":"mitsubishi-electric-l26cpu-cm-melsec-l-series-cpu-module","title":"Mitsubishi Electric L26CPU-CM MELSEC L Series CPU Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eExecuting complex sequence logic with nanosecond-level processing efficiency, the \u003cstrong\u003eMitsubishi Electric L26CPU-CM\u003c\/strong\u003e serves as a high-density, rack-free controller within the MELSEC L Series platform. This central processing unit eliminates the need for a traditional backplane, utilizing integrated slide-locks for module-to-module mechanical coupling. It comes equipped with a built-in \u003cstrong\u003eCC-Link\u003c\/strong\u003e master\/local station interface, enabling immediate integration of distributed remote I\/O points, variable frequency drives, and process sensors directly from the CPU. High-capacity memory reserves of \u003cstrong\u003e1040K bytes\u003c\/strong\u003e for programs and \u003cstrong\u003e768K bytes\u003c\/strong\u003e of standard RAM support elaborate mathematical operations, logging functionality, and recipe management in space-constrained industrial control panels.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRack-Free Modular Architecture:\u003c\/strong\u003e Direct connection of expansion modules via physical slide-locks reduces cabinet footprint and simplifies hardware scaling.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmbedded CC-Link Master\/Local:\u003c\/strong\u003e Supports direct deployment of distributed automation networks without consuming separate module slots.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Memory Allocation:\u003c\/strong\u003e Includes 1040K bytes of program memory, 768K bytes of standard RAM, and 2048K bytes of standard ROM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated SD Card Interface:\u003c\/strong\u003e Facilitates firmware updates, data logging, recipe storage, and automated program backups without specialized software.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protocol Diagnostics:\u003c\/strong\u003e Built-in USB and high-speed communication interfaces facilitate rapid commissioning 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; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging and Assembly Machinery:\u003c\/strong\u003e Direct, real-time control over distributed servo systems and sensor arrays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater and Wastewater Infrastructure:\u003c\/strong\u003e Cost-effective remote station integration via integrated CC-Link connectivity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling Systems:\u003c\/strong\u003e Flexible routing and conveyor synchronization in high-throughput distribution environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive Assembly Sub-stations:\u003c\/strong\u003e Highly reliable, compact control layouts inside localized terminal boxes.\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; border: 1px solid #e2e8f0; font-size: 0.9rem;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600; width: 35%;\"\u003eManufacturer\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eModel Identifier\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eL26CPU-CM\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eProduct Series\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMELSEC L Series\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eProgram Memory Capacity\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1040K bytes (260K steps)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eStandard RAM\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e768K bytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eStandard ROM\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2048K bytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eEmbedded Interfaces\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCC-Link (Master\/Local), USB, SD Memory Card Slot\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eFile Register Size\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e384K points\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eCountry of Origin\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eJapan\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003eShipping Weight (Calculated)\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3.0 kg (including protective packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"padding: 10px; text-align: left; font-weight: 600;\"\u003ePackage Dimensions (Calculated)\u003c\/th\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150 mm x 110 mm x 100 mm\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; font-size: 1rem; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe L26CPU-CM provides direct physical integration with all MELSEC L Series expansion hardware. Note that when migrating code from basic modules like the L02CPU, you must adjust the I\/O assignment configuration within GX Works2 to account for the integrated CC-Link network address space. This model serves as an excellent replacement for legacy standalone network architectures by merging logic control and network master functions into a single processing node.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; font-size: 1rem; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo maintain proper thermal convection, do not restrict the top and bottom airflow passages of the L26CPU-CM housing. When installed inside unventilated enclosures subject to ambient operating temperatures exceeding 45 degC, maintain at least 50mm clearance above the CPU module. High CPU loading coupled with high-speed CC-Link polling can elevate internal components near thermal trip levels if clearance is obstructed.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; font-size: 1rem; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eAlways verify that terminating resistors (110 ohm or 130 ohm depending on cable specifications) are physically wired across the DA and DB terminals of the physical end stations on the CC-Link network. Improper termination leads to immediate network frame drops and intermittent communication error flags. Ground the shielded connection of the CC-Link cable to the cabinet's protective earth ground plate at a single terminal point to prevent ground loop noise from corrupting data frames.\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; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING:\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.9rem;\"\u003eDe-energize all primary and secondary power distribution lines before executing any installation, module coupling, or wiring procedures. Handling the CPU module or its modular expansions while powered can result in electrical shock, irreversible backplane link driver damage, and erratic PLC control behavior.\u003c\/p\u003e\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=\"display: flex; justify-content: center; align-items: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: 600; font-size: 0.9rem;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eMount the CPU module directly onto a clean, grounded DIN rail (DIN type TH35-7.5) or standard rear panel mounting surface.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; align-items: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: 600; font-size: 0.9rem;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eConnect adjacently positioned expansion modules by sliding them along the joint guide slots until the locking levers click firmly into the locked position.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; align-items: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: 600; font-size: 0.9rem;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eEstablish system grounding by connecting a dedicated 2 mm square ground wire from the Functional Ground (FG) terminal directly to the enclosure main star ground.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; align-items: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: 600; font-size: 0.9rem;\"\u003e4\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0; padding-top: 3px;\"\u003eInsert a verified SD memory card containing the runtime program, configure CC-Link network terminations, and slowly apply the designated system input voltage.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102143373675,"sku":"L26CPU-CM","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/l26cpu-cm-y3citf2yi2b.png?v=1776137787","url":"https:\/\/www.plcprotech.com\/products\/mitsubishi-electric-l26cpu-cm-melsec-l-series-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}