{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"FX3G-14MT/ESS","brand":"Mitsubishi Electric","brandSlug":"mitsubishi","productSlug":"FX3G-14MT-ESS","canonicalUrl":"https://aoctrl.com/mitsubishi/FX3G-14MT-ESS","factsUrl":"https://aoctrl.com/api/mcp/products/FX3G-14MT%2FESS","rawCanonicalId":null},"summary":{"shortDescription":"Mitsubishi MELSEC-F Series, FX3G-14MT/ESS main unit, 8 digital inputs / 6 transistor source outputs, AC power 100-240V, 32K step EEPROM, USB + RS-422.","salesMarkdown":"The Mitsubishi FX3G-14MT/ESS is a MELSEC-F series main unit packing 14 I/O — 8 digital inputs and 6 transistor source outputs — powered by 100-240 VAC. It comes with USB and RS-422 ports for programming and comms, and runs off a 32K step EEPROM that doesn't need a battery backup. The 32K step EEPROM means this PLC can hold medium-size programs without a backup battery — handy for equipment that sits powered off for long stretches. Cycle time is 210 ns for basic LD instructions and 500 ns for MOV, so it's fast enough for most machine control loops. Expandable to 128 local I/O points and 256 total including remote. Transistor source outputs handle inductive loads. Ambient rating is 0 to 55 °C, IP10 means enclosure mounting only. ## How it sits against the FX3S-20MT/ES The FX3S-20MT/ES is a fixed-I/O unit: 20 points, not expandable, 16K step memory.","metaTitle":"Mitsubishi FX3G-14MT/ESS PLC, 14 I/O, 32K Steps, Transistor","metaDescription":"Mitsubishi MELSEC-F FX3G-14MT/ESS main unit with 8 digital inputs, 6 transistor source outputs, 32K step EEPROM, expandable to 128 I/O points. Listed as mature lifecycle – still in","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":null,"categoryPath":["PLCs (Programmable Logic Controllers)"],"specifications":{"USB":"1","Type":"FX3G","title":"FX3G-14MT/ESS","RS-422":"1","Series":"MELSEC-F SERIES","Weight":"0,5 kg","Expandable":"YES","Output Type":"TRANSISTOR","description":"MAIN UNIT","Current Type":"AC","Output Logic":"SOURCE","Buffer Battery":"OPTION","Program Memory":"32K STEPS","Shipping Weight":"1.5 Kg","lifecycle_stage":"mature","Local I/O Points":"128","Power Supply (V)":"100-240","Protection Class":"IP10","Cycle Time LD (ns)":"210","Cycle Time MOV (ns)":"500","Estimated Lead Time":"1 - 10 Working Days","Program Memory Unit":"EEPROM","Power Consumption (W)":"31","Integrated Digital Inputs":"8","Local + Remote I/O Points":"256","Integrated Digital Outputs":"6","Max. Ambient Temperature (°C)":"55","Min. Ambient Temperature (°C)":"0"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$274.00 – $300.99","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/0fc1f9644c09ba5df2e993a3a7289305.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the USB interface for?","answer":"The FX3G-14MT/ESS has one USB port for programming connection to GX Works2 or other Mitsubishi software. It's a mini-B type, typically used for local upload/download and monitoring."},{"question":"What is the program memory and type?","answer":"The program memory is 32K steps on EEPROM. No battery backup needed for the program, so it holds the code indefinitely even when powered off."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/mitsubishi/FX3G-14MT-ESS","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/mitsubishi/FX3G-14MT-ESS when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}