{"product_id":"mitsubishi-electric-fx2n-64mr-ds-fx2n-series-base-unit","title":"Mitsubishi Electric FX2N-64MR-DS FX2N Series Base Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eExecuting complex sequential control logic in rugged industrial environments is the primary role of the \u003cstrong\u003eMitsubishi Electric FX2N-64MR-DS\u003c\/strong\u003e, a high-density, DC-powered programmable logic controller base unit. Engineered to handle intensive local automation tasks, this controller integrates \u003cstrong\u003e32 digital inputs (24V DC)\u003c\/strong\u003e and \u003cstrong\u003e32 relay outputs\u003c\/strong\u003e within a highly compact form factor. Running on a 24V DC nominal power source, this base unit is optimized for field panels, remote installations, and mobile or backup power systems where standard AC mains are unavailable. Its internal architecture supports rapid instruction execution and is fully expandable with special functional blocks, analog converters, and network communication modules from the MELSEC FX2N ecosystem.\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\u003eVersatile Sink\/Source Inputs:\u003c\/strong\u003e Flexible 24V DC input terminals can be configured as either sink or source wiring to match existing field sensor topologies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Current Relay Outputs:\u003c\/strong\u003e Provides 32 robust relay contacts capable of switching up to 2A per point, suitable for direct actuation of solenoid valves, contactors, and indicators.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC-Powered Design:\u003c\/strong\u003e Operates on a stable 24V DC input, making it ideal for solar-powered, battery-backed, or marine-grade electrical enclosures.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable Architecture:\u003c\/strong\u003e Native bus connection permits seamless scaling with FX series analog input\/output, positioning control, and temperature sensor interfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated EEPROM Memory:\u003c\/strong\u003e Large internal capacity supports up to 16,000 steps of PLC programming memory with secure, maintenance-free storage.\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\u003eRemote water and wastewater monitoring stations operating on 24V DC solar array systems.\u003c\/li\u003e\n  \u003cli\u003eMobile industrial plant equipment, cranes, and heavy-duty auxiliary transport machinery.\u003c\/li\u003e\n  \u003cli\u003eConveyor tracking, high-speed sorting, and automated materials packaging.\u003c\/li\u003e\n  \u003cli\u003eEnclosed electrical panels requiring minimal thermal emission and lower voltage safety footprints.\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 #1a365d;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eValue \/ Detail\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;\"\u003eMitsubishi Electric\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 Identifier\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eFX2N-64MR-DS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eControl Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMELSEC FX2N\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eRated Input Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e24V DC (Operational limits: 20.4V to 26.4V DC)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDigital Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e32 Points (24V DC, Sink\/Source options)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDigital Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e32 Points (Relay, Maximum 2A per point \/ 8A per common)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e40 Watts\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 Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e16,000 Steps (RAM\/EEPROM options)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProgramming Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eRS-422 Port\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eOperating Temperature Range\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0 to 55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eJapan\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;\"\u003e1.20 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;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e240 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\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: 8px; font-weight: bold;\"\u003eTerminal Reference\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eFunction \/ Connection 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: 8px; font-weight: bold;\"\u003e24V+ \/ 0V-\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eMain DC Power Supply Input (Polarity must be carefully observed)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eS \/ S\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSink \/ Source Input Selector common connection terminal\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eX000 to X037\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePhysical DC Input Channels (32 points total)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eY000 to Y037\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003ePhysical Relay Output Contacts (32 points total, separated in groups)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCOM0 to COM5\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eIsolated common return paths for relay output groups\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\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FX2N-64MR-DS base unit utilizes a 24V DC input supply, differing critically from the FX2N-64MR-ES\/UL version which operates on standard 100-240V AC. Ensure control panels are correctly pre-wired for DC distribution before direct unit mounting. While the legacy FX2N series programs can be uploaded and integrated directly via standard RS-422 programming adapters, modernizing installations to newer FX3U or FX5U series requires systematic I\/O map verification and project-level program compilation conversion within GX Works2 or GX Works3 software.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eUnlike its AC-powered counterparts, the DC-powered FX2N-64MR-DS base unit does not include an auxiliary 24V DC sensor output terminal. System designers must include an external, dedicated power distribution block or power supply to source operational voltage for passive field transmitters, limit switches, and photocells. Furthermore, when switching high inductive loads like DC-driven motor starters or solenoids through the onboard relays, back-EMF protection (flyback diodes across the load) must be implemented to preserve terminal contact life and prevent high-frequency noise interference.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo configure inputs as \u003cstrong\u003esink type (NPN)\u003c\/strong\u003e, hook up the 'S\/S' terminal directly to the external 24V DC supply terminal. Conversely, for \u003cstrong\u003esource type (PNP)\u003c\/strong\u003e input configurations, link the 'S\/S' terminal directly to the 0V reference terminal. For critical analog modules situated on the FX expansion bus, ensure proper functional earthing by connecting the controller's PE terminal to your main ground bus using the shortest possible length of 14 AWG wire.\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 sources prior to physical installation, wiring modifications, or expansion bus connections. Ensure that residual charge on the internal capacitor banks has bled down completely before altering input terminal arrangements or replacing relays to prevent terminal damage or transient shock.\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; font-weight: bold; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0;\"\u003e1\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the base unit vertically on a standard 35mm DIN rail or secure it to a steel backplate using M4 chassis screws, ensuring at least 50mm of clearance around the upper, lower, and side vents for natural thermal dissipation.\u003c\/p\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; font-weight: bold; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0;\"\u003e2\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the main 24V DC supply lines to the dedicated power terminals. Verify positive and negative polarities before testing active power to avoid circuit damage.\u003c\/p\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; font-weight: bold; width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0;\"\u003e3\u003c\/div\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eAttach the required expansion ribbon cables and lock them securely into the right-hand side expansion bus port before closing the terminal layout covers.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102153105771,"sku":"FX2N-64MR-DS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/FX2N-64MR-DS-Mitsubishi-Electric-FX2N-Series-Base-Units-e2v5wr3u3nq.png?v=1776137531","url":"https:\/\/www.plcprotech.com\/de\/products\/mitsubishi-electric-fx2n-64mr-ds-fx2n-series-base-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}