{"product_id":"mitsubishi-electric-q26udehcpu-melsec-q-series-universal-cpu-module","title":"Mitsubishi Electric Q26UDEHCPU MELSEC Q Series Universal CPU Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for high-density, multi-disciplinary industrial control applications, the Mitsubishi Electric Q26UDEHCPU is an industrial-grade central processing unit designed for the MELSEC Q Series automation platform. This module integrates a \u003cstrong\u003ebuilt-in Ethernet port\u003c\/strong\u003e, enabling high-speed data transmission and seamless communication across factory networks. Featuring a highly optimized execution engine, it handles complex arithmetic, sequence controls, and structured text configurations with exceptional speed. Its physical design fits directly onto standard Q Series base units, making it ideal for systems requiring intensive calculations, multi-CPU coordination, and deep memory capacities.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Processing:\u003c\/strong\u003e Delivers execution speeds of 9.5 ns for basic sequence instructions (LD X0) and 19 ns for data movement operations (MOV D0 D1).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLarge Memory Footprint:\u003c\/strong\u003e Provides 260 K steps (1040 KB) of program memory, supplemented by 1280 KB of standard RAM and 4096 KB of standard ROM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Communication:\u003c\/strong\u003e Integrated 100\/10 Mbps Ethernet port supporting up to 16 simultaneous socket, MELSOFT, or MC protocol connections, plus 1 dedicated FTP channel.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable I\/O Capacity:\u003c\/strong\u003e Supports up to 4096 local physical I\/O points and an extended logical device range of up to 8192 points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Programming:\u003c\/strong\u003e Native support for Relay symbol words, Logic symbols, MELSAP 3 (SFC), MELSAP-L, Function Blocks, and Structured Text (ST).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003eHigh-speed automated packaging and assembly systems.\u003c\/li\u003e\n  \u003cli\u003eMulti-axis synchronization systems involving complex motion control integration.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater plant control network hubs.\u003c\/li\u003e\n  \u003cli\u003eHigh-volume data logging, tracking, and MES upstream communication networks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\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 #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 0.5rem; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 0.5rem; 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: 0.5rem; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMitsubishi Electric\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eModel \/ Article Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eQ26UDEHCPU (217902)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eControl Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eStored program iteration operation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eI\/O Control Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eRefresh method (Direct access I\/O possible via DX\/DY commands)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eLD Instruction Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e9.5 ns\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eProgram Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e260 K steps (1040 KB)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eStandard RAM \/ ROM\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e1280 KB \/ 4096 KB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eEthernet Port Speed\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e100\/10 Mbps (Full \/ Half Duplex)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eInternal Current Consumption (5 VDC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0.49 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eStorage Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e-25 to 75 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e5 to 95% RH (Non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eDimensions (H x W x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e98 mm x 27.4 mm x 115 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eNet Module Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e0.22 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e1.2 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\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 #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 0.5rem; font-weight: bold;\"\u003eInterface Type\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 0.5rem; font-weight: bold;\"\u003eConnector \/ Format\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 0.5rem; font-weight: bold;\"\u003eFunction \/ Communication Standard\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: 0.5rem; font-weight: bold;\"\u003eEthernet Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eRJ45\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e100Base-TX\/10Base-T, MC Protocol, FTP Server, Socket Interface\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 0.5rem; font-weight: bold;\"\u003eUSB Port\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMini-B (USB 2.0 High Speed)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eDirect PC programming connection (GX Works2 \/ GX Developer)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen migrating to the Q26UDEHCPU from legacy non-universal hardware such as the Q25HCPU, engineering configurations must be updated in GX Works2. Universal models use a distinct memory organization structure (Standard RAM Drive 3 is handled differently). Additionally, confirm that any installed extension base units support the high-speed bus interfaces associated with Universal CPUs to prevent bus latency errors.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThis CPU draws 0.49 A from the 5 VDC internal power rail. When configuring multiple CPUs or high-density network modules on a single rack (e.g., combining this CPU with multiple Ethernet\/CC-Link IE units), perform a rigorous current consumption calculation. Standard power supplies like the Q61P may approach their operational limit, requiring an upgrade to high-capacity options such as the Q63P or Q64PN.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #2b6cb0; margin-top: 1rem; margin-bottom: 0.5rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo maintain maximum throughput on the built-in Ethernet port, avoid routing communication patch cords parallel to motor lines or high-voltage lines. Always use Category 5e Shielded Twisted Pair (STP) cabling. If the Ethernet connection drops or times out under heavy factory floor noise, check that the ground terminal (LG\/FG) on the main power supply module is securely tied to a dedicated Class D ground.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #1a365d; border-bottom: 2px solid #2b6cb0; padding-bottom: 0.25rem;\"\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 auxiliary power systems feeding the rack prior to installing or removing the CPU module. Failing to completely isolate power can lead to internal circuit degradation or destroy the CPU's memory interface pins.\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; color: #2d3748;\"\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: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv\u003eAlign the lower hook on the back of the CPU module with the base unit guide hole. Ensure it seats flush against the slot.\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: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv\u003ePush the top of the module firmly onto the base plate until the retaining hook clicks into position. Tighten the top fixing screw (if utilizing standard industrial high-vibration mounts).\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: 2rem; height: 2rem; display: flex; align-items: center; justify-content: center; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv\u003eInsert the backup battery connector into the socket located inside the front compartment cover before applying power to prevent cold-start configuration loss.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102129545579,"sku":"Q26UDEHCPU","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/Q26UDEHCPU-o4ec3tsfu55.png?v=1776137936","url":"https:\/\/www.plcprotech.com\/ms\/products\/mitsubishi-electric-q26udehcpu-melsec-q-series-universal-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}