{"id":40121,"date":"2026-02-21T11:31:50","date_gmt":"2026-02-21T11:31:50","guid":{"rendered":"https:\/\/www.c2psu.com\/?post_type=product&p=40121"},"modified":"2026-02-28T06:26:47","modified_gmt":"2026-02-28T06:26:47","slug":"mitsubishi-melsec-f-series-fx3u-plc-cpu-programmable-logic-controllers","status":"publish","type":"product","link":"http:\/\/www.c2psu.com\/ko\/product\/mitsubishi-melsec-f-series-fx3u-plc-cpu-programmable-logic-controllers\/","title":{"rendered":"Mitsubishi MELSEC-F Series FX3U PLC CPU Programmable Logic Controllers"},"content":{"rendered":"

Product Overview<\/h2>\n

\uadf8\ub9ac\uace0\u00a0Mitsubishi Electric MELSEC-F Series FX3U PLC CPU<\/strong>\u00a0is a third-generation, high-performance micro-programmable logic controller (PLC) that represents the flagship model of the renowned FX3 series\u00a0. Designed as a compact, all-in-one CPU unit with built-in I\/O, the FX3U delivers exceptional speed, capacity, and functionality for a wide range of industrial automation applications\u00a0. With basic instruction processing speeds of just\u00a065ns<\/strong>\u00a0and a generous\u00a064K step program memory<\/strong>, this controller handles complex control tasks with remarkable efficiency\u00a0. Available in multiple configurations with built-in I\/O points ranging from\u00a016 to 128 points<\/strong>\u00a0and expandable up to\u00a0384 total I\/O points<\/strong>\u00a0via remote networks, the FX3U series provides the flexibility and performance required for small to medium-scale automation systems, from standalone machinery to networked production lines\u00a0.<\/p>\n

 <\/p>\n

Technical Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/strong><\/th>\nDetails<\/strong><\/th>\n<\/tr>\n<\/thead>\n
Product Series<\/strong><\/td>\nMitsubishi Electric MELSEC-F Series<\/td>\n<\/tr>\n
Family Name<\/strong><\/td>\nFX3U Series (Third-Generation Micro PLC)<\/td>\n<\/tr>\n
Power Supply Options<\/strong><\/td>\nAC Powered:<\/strong>\u00a0100-240V AC (50\/60Hz)
\nDC Powered:<\/strong>\u00a024V DC<\/td>\n<\/tr>\n
Program Memory<\/strong><\/td>\n64K steps<\/strong>\u00a0RAM (program memory)<\/td>\n<\/tr>\n
Device Memory<\/strong><\/td>\nAuxiliary Relays: 7,680 points
\nTimers: 512 points
\nCounters: 235 points
\nData Registers: 8,000 points
\nExtension Registers: 32,768 points<\/td>\n<\/tr>\n
Basic Instruction Speed<\/strong><\/td>\n65 ns<\/strong>\u00a0(LD contact instruction)<\/td>\n<\/tr>\n
Application Instruction Speed\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/strong><\/td>\n642 ns<\/strong>\u00a0(MOV instruction)<\/td>\n<\/tr>\n
Built-in I\/O Points<\/strong><\/td>\nAvailable in\u00a016, 32, 48, 64, 80, and 128-point<\/strong>\u00a0configurations<\/td>\n<\/tr>\n
Total I\/O Capacity<\/strong><\/td>\n256 points<\/strong>\u00a0(standard) \/\u00a0384 points<\/strong> (with CC-Link or AnyWireASLINK)<\/td>\n<\/tr>\n
Positioning Function<\/strong><\/td>\nBuilt-in\u00a03-axis independent<\/strong>,\u00a0100kHz<\/strong>\u00a0max pulse output<\/td>\n<\/tr>\n
High-Speed Counters<\/strong><\/td>\n1-phase: 100kHz (6 points)
\n2-phase: 50kHz (2 points)<\/td>\n<\/tr>\n
Programming Port<\/strong><\/td>\nRS-422, up to\u00a0115.2kbps<\/strong>\u00a0communication speed<\/td>\n<\/tr>\n
Special Adapter Support<\/strong><\/td>\nUp to\u00a06 adapters<\/strong>\u00a0(left side)<\/td>\n<\/tr>\n
Programming Languages<\/strong><\/td>\nLadder (LD), Structured Ladder\/FBD, Structured Text (ST), SFC<\/td>\n<\/tr>\n
Operating Temperature<\/strong><\/td>\n0\u00b0C to +55\u00b0C<\/strong><\/td>\n<\/tr>\n
Storage Temperature<\/strong><\/td>\n-25\u00b0C to +75\u00b0C<\/td>\n<\/tr>\n
Mounting<\/strong><\/td>\nDIN rail mounting (standard 35mm rail)<\/td>\n<\/tr>\n
Dimensions (WxHxD)<\/strong><\/td>\n16-point: 130 x 90 x 86 mm
\n32-point: 150 x 90 x 86 mm
\n48-point: 182 x 90 x 86 mm
\n80-point: 285 x 90 x 86 mm<\/td>\n<\/tr>\n
\uc778\uc99d<\/strong><\/td>\nCE, UL\/cUL, KC, ABS, DNV, LR, GL, BV, RINA, NK, KR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/h2>\n

Model Number Selection Guide<\/h2>\n

The FX3U series uses a systematic model code to identify specific configurations\u00a0.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n
Model Number<\/strong><\/th>\n\uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58\u00a0 \u00a0\u00a0<\/strong><\/th>\nInputs\u00a0 \u00a0 \u00a0\u00a0<\/strong><\/th>\nInput Type<\/strong><\/th>\nOutputs\u00a0 \u00a0\u00a0<\/strong><\/th>\nOutput Type\u00a0 \u00a0<\/strong><\/th>\nOutput Logic\u00a0 \u00a0\u00a0<\/strong><\/th>\n<\/tr>\n<\/thead>\n
FX3U-16MR\/DS<\/strong><\/td>\n24V DC<\/td>\n8 points<\/td>\n24V DC Sink\/Source<\/td>\n8 points<\/td>\nRelay<\/td>\nN\/A<\/td>\n<\/tr>\n
FX3U-16MT\/ES-A\u00a0 \u00a0 \u00a0<\/strong><\/td>\n100-240V AC<\/td>\n8 points<\/td>\n24V DC Sink\/Source<\/td>\n8 points<\/td>\nTransistor<\/td>\nSink (NPN)<\/td>\n<\/tr>\n
FX3U-32MT\/DSS<\/strong><\/td>\n24V DC<\/td>\n16 points<\/td>\n24V DC Sink\/Source<\/td>\n16 points<\/td>\nTransistor<\/td>\nSource (PNP)<\/td>\n<\/tr>\n
FX3U-48MT\/ES<\/strong><\/td>\n100-240V AC<\/td>\n24 points<\/td>\n24V DC Sink\/Source<\/td>\n24 points<\/td>\nTransistor<\/td>\nSink (NPN)<\/td>\n<\/tr>\n
FX3U-80MR\/DS<\/strong><\/td>\n24V DC<\/td>\n40 points<\/td>\n24V DC Sink\/Source<\/td>\n40 points<\/td>\nRelay<\/td>\nN\/A<\/td>\n<\/tr>\n
FX3U-128MR\/ES<\/strong><\/td>\n100-240V AC<\/td>\n64 points<\/td>\n24V DC Sink\/Source<\/td>\n64 points<\/td>\nRelay<\/td>\nN\/A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n<\/div>\n

Model Code Decoder:<\/h3>\n
    \n
  • \n

    MR:<\/strong>\u00a0Relay Output<\/p>\n<\/li>\n

  • \n

    MT:<\/strong>\u00a0Transistor Output (Sink\/NPN)<\/p>\n<\/li>\n

  • \n

    MSS:<\/strong>\u00a0Transistor Output (Source\/PNP)<\/p>\n<\/li>\n

  • \n

    ES:<\/strong>\u00a0AC Power Supply (100-240V AC)<\/p>\n<\/li>\n

  • \n

    DS:<\/strong>\u00a0DC Power Supply (24V DC)<\/p>\n<\/li>\n

  • \n

    -A:<\/strong>\u00a0Denotes specific regional variants (e.g., for Asian market)<\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

    Expansion Modules & Options<\/h2>\n
    \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \ubaa8\ub4c8 \uc720\ud615<\/strong><\/th>\nModel Examples<\/strong><\/th>\n\uc124\uba85<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    I\/O Expansion (Powered)<\/strong><\/td>\nFX2N-32ER, FX2N-48ET, FX2N-32ER-ES\/UL<\/td>\nDigital input\/output expansion units with built-in power supply<\/td>\n<\/tr>\n
    I\/O Expansion (Unpowered)<\/strong><\/td>\nFX2N-8EX, FX2N-16EYR<\/td>\nInput\/output extension blocks (receive power from main unit)<\/td>\n<\/tr>\n
    Analog Modules<\/strong><\/td>\nFX3U-4AD, FX3U-4DA<\/td>\nAnalog input\/output modules for process control<\/td>\n<\/tr>\n
    Communication Adapters<\/strong><\/td>\nFX3U-232ADP, FX3U-485ADP, FX3U-USB-BD<\/td>\nSerial communication adapters for RS-232, RS-485, USB<\/td>\n<\/tr>\n
    Ethernet Adapter<\/strong><\/td>\nFX3U-ENET-ADP<\/td>\nEthernet communication adapter for network connectivity<\/td>\n<\/tr>\n
    High-Speed Positioning<\/strong><\/td>\nFX3U-2HSY-ADP<\/td>\nHigh-speed output adapter for expanded positioning (4 axes, 200kHz)<\/td>\n<\/tr>\n
    Temperature Control<\/strong><\/td>\nFX2N-4LC<\/td>\nTemperature control modules for PID applications<\/td>\n<\/tr>\n
    CC-Link Interface<\/strong><\/td>\nFX2N-32CCL<\/td>\nCC-Link network module for distributed I\/O control<\/td>\n<\/tr>\n
    Function Expansion Boards<\/strong><\/td>\nFX3G-4EX-BD, FX3G-2EYT-BD<\/td>\nInput\/output expansion boards (4 input or 2 output points)<\/td>\n<\/tr>\n
    Memory Cassette<\/strong><\/td>\nFX3U-64K EEPROM<\/td>\nOptional Flash memory cassette for program storage<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    <\/h2>\n

    \uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/h2>\n

    The Mitsubishi FX3U series is ideally suited for a wide range of industrial automation applications requiring reliable, high-speed control in a compact form factor\u00a0:<\/p>\n

      \n
    • \n

      Packaging Machinery:<\/strong>\u00a0Form-fill-seal machines, cartoners, and labeling systems requiring precise positioning and high-speed sequencing<\/p>\n<\/li>\n

    • \n

      Material Handling:<\/strong>\u00a0Small to medium conveyor systems, sortation units, and pick-and-place stations<\/p>\n<\/li>\n

    • \n

      Automated Assembly:<\/strong>\u00a0Component assembly stations, test equipment, and parts feeders in automotive and electronics manufacturing<\/p>\n<\/li>\n

    • \n

      Food & Beverage:<\/strong>\u00a0Mixing equipment, filling lines, and packaging systems with hygienic requirements<\/p>\n<\/li>\n

    • \n

      Textile Machinery:<\/strong>\u00a0Spinning frames, weaving looms, and finishing equipment requiring synchronized speed control<\/p>\n<\/li>\n

    • \n

      Machine Tools:<\/strong>\u00a0Auxiliary equipment control, tool changers, and part loaders for CNC machines<\/p>\n<\/li>\n

    • \n

      Process Control:<\/strong>\u00a0Batch control, temperature monitoring, and chemical dosing for small-scale processes<\/p>\n<\/li>\n

    • \n

      Water Treatment:<\/strong>\u00a0Pump control, filtration systems, and chemical feed applications<\/p>\n<\/li>\n

    • \n

      Building Automation:<\/strong>\u00a0HVAC control, lighting systems, and access control for small facilities<\/p>\n<\/li>\n

    • \n

      Specialty Machinery:<\/strong>\u00a0Woodworking, printing presses, and plastic molding machines<\/p>\n<\/li>\n<\/ul>\n

       <\/p>\n

      Why Choose the Mitsubishi MELSEC-F Series FX3U?<\/h2>\n

      \uadf8\ub9ac\uace0\u00a0Mitsubishi FX3U Series PLC CPU<\/strong>\u00a0represents the culmination of decades of PLC development, delivering the perfect balance of\u00a0high-speed performance, extensive functionality, and proven reliability<\/strong>\u00a0in a compact, cost-effective package\u00a0. As the flagship model of the FX3 series, it offers significant advancements over previous generations, with processing speeds nearly\u00a0three times faster<\/strong>\u00a0than the FX2N series and substantially expanded memory capacity\u00a0.<\/p>\n

      The FX3U’s built-in\u00a03-axis positioning<\/strong>\u00a0at 100kHz eliminates the need for separate motion modules in many applications, reducing system cost and panel space\u00a0. Its ability to connect up to\u00a06 special adapters<\/strong>\u00a0without consuming I\/O points provides exceptional flexibility for communication, analog, and temperature control requirements\u00a0. With support for up to\u00a0384 total I\/O points<\/strong>\u00a0via CC-Link networks, the system scales gracefully from simple standalone machines to more complex distributed applications\u00a0.<\/p>\n

      Backed by Mitsubishi Electric’s global reputation for quality and reliability, the FX3U carries comprehensive certifications including\u00a0CE, UL\/cUL, KC, and approvals from 8 major marine classification societies<\/strong>, ensuring worldwide acceptance\u00a0. Its compatibility with the extensive FX2N expansion module library protects prior investments while enabling gradual system enhancements\u00a0.<\/p>\n

      Whether you are building a simple packaging machine, a specialized assembly station, or a small-scale process control system, the FX3U delivers the performance, flexibility, and long-term reliability required for success in today’s competitive industrial environment. Choose the\u00a0Mitsubishi MELSEC-F Series FX3U<\/strong>\u00a0for proven third-generation performance that stands the test of time.<\/p>\n

      \n
      <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

      \uadf8\ub9ac\uace0\u00a0Mitsubishi Electric MELSEC-F Series FX3U PLC CPU<\/strong>\u00a0is a third-generation, high-performance micro-programmable logic controller (PLC) that represents the flagship model of the renowned FX3 series\u00a0. Designed as a compact, all-in-one CPU unit with built-in I\/O, the FX3U delivers exceptional speed, capacity, and functionality for a wide range of industrial automation applications\u00a0. With basic instruction processing speeds of just\u00a065ns<\/strong>\u00a0and a generous\u00a064K step program memory<\/strong>, this controller handles complex control tasks with remarkable efficiency\u00a0. Available in multiple configurations with built-in I\/O points ranging from\u00a016 to 128 points<\/strong>\u00a0and expandable up to\u00a0384 total I\/O points<\/strong>\u00a0via remote networks, the FX3U series provides the flexibility and performance required for small to medium-scale automation systems, from standalone machinery to networked production lines\u00a0.<\/p>","protected":false},"featured_media":40186,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_elementor_edit_mode":"","_elementor_template_type":"","_elementor_data":"","_elementor_page_settings":null,"_elementor_conditions":[]},"etheme_brands":[{"term_id":6070,"name":"Mitsubishi","slug":"mitsubishi-electric","term_group":0,"term_taxonomy_id":6070,"taxonomy":"brand","description":"Mitsubishi Electric delivers comprehensive solutions across the entire spectrum of electrical and electronic equipment. Our diverse portfolio includes factory automation systems (PLCs, inverters, servos, CNC, EDM, laser processors), HVAC and building systems (CITY MULTI VRF, elevators, escalators), energy and infrastructure solutions (power transmission, railway systems, defense and space systems), and automotive equipment (EV components, ADAS)\u00a0. With strategic partnerships spanning GE Vernova for HVDC power semiconductors and AWS for cloud services, we integrate our deep domain expertise to solve complex challenges in industrial automation, energy transition, smart mobility, and sustainable living worldwide\u00a0.\r\n

      \r\n
      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MELSEC-F Series FX3U PLC CPU<\/title>\n<meta name=\"description\" content=\"The\u00a0Mitsubishi Electric MELSEC-F Series FX3U PLC CPU\u00a0is a third-generation, high-performance micro-programmable logic controller (PLC) that represents\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.c2psu.com\/ko\/product\/mitsubishi-melsec-f-series-fx3u-plc-cpu-programmable-logic-controllers\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mitsubishi MELSEC-F Series FX3U PLC CPU Programmable Logic Controllers\" \/>\n<meta property=\"og:description\" content=\"The\u00a0Mitsubishi Electric MELSEC-F Series FX3U PLC CPU\u00a0is a third-generation, high-performance micro-programmable logic controller (PLC) that represents\" \/>\n<meta property=\"og:url\" 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