{"product_id":"mitsubishi-electric-fx2n-80mr-ds-fx2n-series-base-unit","title":"Mitsubishi Electric FX2N-80MR-DS FX2N Series Base Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eManaging up to 80 physical local I\/O points, the Mitsubishi Electric FX2N-80MR-DS serves as a high-speed, DC-powered controller within the legacy FX2N micro-PLC architecture. This base unit integrates processing, memory, and high-density input\/output control in a single compact chassis. Operating on a nominal \u003cstrong\u003e24V DC power supply\u003c\/strong\u003e, it is engineered for field environments where AC mains are unavailable or where battery-backed power systems are mandatory. The platform features \u003cstrong\u003e40 digital inputs\u003c\/strong\u003e and \u003cstrong\u003e40 relay outputs\u003c\/strong\u003e, providing robust isolation and high switching capacity for diverse industrial actuators and sensors.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Power Infrastructure:\u003c\/strong\u003e Designed to run directly on 24V DC (+20% \/ -15% ripple), making it highly suitable for mobile machinery, marine installations, and backup-critical systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable Input Logic:\u003c\/strong\u003e 40 integrated digital inputs configurable as either sink (NPN) or source (PNP) to match existing field sensor topologies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Relay Outputs:\u003c\/strong\u003e 40 electromagnetic relay outputs capable of switching up to 2A per point for both AC and DC load circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcessing and Memory:\u003c\/strong\u003e Built-in 16,000-step RAM and EEPROM program memory capacities for complex industrial control algorithms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Inputs:\u003c\/strong\u003e Includes integrated high-speed counter phases (up to 60 kHz single-phase, 20 kHz dual-phase) for direct rotary encoder feedback.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpandable Architecture:\u003c\/strong\u003e Fully compatible with FX2N series expansion blocks, special function modules (analog, temperature, positioning), and communication adapters.\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: 1.5rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistributed Pump and Valve Control:\u003c\/strong\u003e Ideal for water purification plants and remote pumping stations using direct-current solar array batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Handling and Conveyor Systems:\u003c\/strong\u003e Provides high I\/O density to manage multiple photoelectric sensors, interlocks, and pneumatic solenoid valves.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMobile Equipment Automation:\u003c\/strong\u003e Deployed on utility vehicles, marine vessels, and heavy transport equipment where the onboard supply is strictly 24V DC.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuxiliary Packaging Machinery:\u003c\/strong\u003e Performs rapid logic control for sealing, cutting, and wrapping stations requiring isolated relay operations.\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;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2d3748;\"\u003e\n        \u003cth style=\"padding: 0.5rem; text-align: left; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; text-align: left; 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: 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 Reference\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eFX2N-80MR-DS\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;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eMELSEC FX2N Series\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 Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e24V DC (+20% \/ -15%)\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;\"\u003eTotal I\/O Points\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e80 Points\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;\"\u003eDigital Inputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e40 Points (24V DC, Sink\/Source)\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;\"\u003eDigital Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e40 Points (Relay, isolated)\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;\"\u003eMax. Relay Load Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e2A per point; 8A per group (4 points); 30V DC \/ 240V AC max.\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 Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e16,000 steps (RAM\/EEPROM internal or optional cassette)\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;\"\u003eResponse Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eInputs: approx. 10 ms; Outputs: approx. 10 ms (relay mechanical lag)\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\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e40W (Maximum power consumption)\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;\"\u003eCountry of Origin\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eJapan\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;\"\u003e1.45 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;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e310 mm x 115 mm x 110 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 #2d3748;\"\u003e\n        \u003cth style=\"padding: 0.5rem; text-align: left; font-weight: bold;\"\u003eTerminal Designation\u003c\/th\u003e\n        \u003cth style=\"padding: 0.5rem; text-align: left; font-weight: bold;\"\u003eFunction \/ Connection Specification\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;\"\u003e+ \/ - (Power)\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003ePrimary 24V DC input supply terminals.\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;\"\u003eS \/ S Terminal\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eInput common terminal. Connect to 24V for Sink (NPN) configuration or 0V for Source (PNP) configuration.\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;\"\u003eX000 to X047\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e40 channel digital inputs. X000 to X005 are high-speed counter compatible.\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;\"\u003eCOM0 to COM7\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003eCommon return terminals for isolated relay output groups.\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;\"\u003eY000 to Y047\u003c\/td\u003e\n        \u003ctd style=\"padding: 0.5rem;\"\u003e40 channel physical relay contacts. External circuit fuses should be matched to load groupings.\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\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe FX2N-80MR-DS is an older classic micro-PLC architecture. If you are retrofitting or replacing an older FX2-80MR-D, the FX2N model offers equivalent physical spacing but operates with substantially faster processing speeds and a larger instruction library. For modern migrations, note that the FX2N range is superseded by the MELSEC iQ-F (FX5U) series. Upgrading to an FX5U-80MR\/DS requires an FX5-CNV-BUS bus conversion module to retain any downstream legacy FX2N expansion units.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eRelay wear is the most common failure vector for this device in high-duty environments. When driving inductive loads (such as DC solenoid valves or motor contactor coils), you must install an external flyback diode (for DC loads) or an RC snubber circuit (for AC loads) across the load. Failure to do so will cause contact arcing, degrading the internal relays and leading to premature weld-shut failures. Maintain clear ventilation space around the PLC; ambient operating temperatures inside the panel must not exceed 55 degC.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEnsure the S\/S (Sink\/Source) terminal is tied directly to the correct reference voltage before powering the unit. Leaving this floating will result in digital inputs failing to register. If routing encoder lines into X000 through X005, use high-quality twisted pair shielded cabling and terminate the shield at a single point near the panel ground bar to suppress high-frequency EMI.\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 Verify that all 24V DC incoming lines and field-side AC\/DC load circuits are fully de-energized prior to terminal connection or chassis installation. Under no circumstances should live terminal blocks be wired. Failure to comply may damage sensitive logic components and cause physical injury.\n\u003c\/div\u003e\n\n\u003col style=\"list-style: none; padding-left: 0; margin-bottom: 1.5rem;\"\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eMount the base unit onto a standard 35mm DIN rail horizontally. Ensure the top and bottom ventilation slits are not obstructed by adjacent wiring trunks or metal enclosures.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eConnect a dedicated system ground wire from the Functional Earth (FE) terminal on the PLC to a low-impedance copper ground bus.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eWire the 24V DC supply lines to the '+' and '-' terminals using cross-sections of at least 1.25 mm2 (AWG 16).\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; border-radius: 50%; width: 24px; height: 24px; display: inline-flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 0.75rem; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cspan style=\"color: #2d3748;\"\u003eDouble-check your Sink\/Source configuration by verifying the link on the S\/S terminal before energizing the control cabinet.\u003c\/span\u003e\n  \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Mitsubishi Electric","offers":[{"title":"Default Title","offer_id":53102153367915,"sku":"FX2N-80MR-DS","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/FX2N-80MR-DS-1v2egkh4lhk.png?v=1776137533","url":"https:\/\/www.plcprotech.com\/ru\/products\/mitsubishi-electric-fx2n-80mr-ds-fx2n-series-base-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}