Series-level lifecycle status in Schneider Electric's own vocabulary — end of commercialisation (EOC), end of service, and per-reference discontinuation dates exactly as published — with the OEM's recommended migration path, for legacy Schneider automation: Modicon Quantum, Momentum, Premium, TSX Micro, Twido, Zelio, M340; Altivar ATV58/31/312/61/71; Lexium servo; Magelis/Harmony HMI; and PL7, ProWORX 32, Concept, TwidoSuite and successor software.
Two records are time-critical: the Modicon Quantum Unity processors and the Modicon Premium CPU & I/O both reach end of service on 1 December 2026 — Schneider's repair and spare-parts support for the two largest legacy PAC populations ends weeks after this page was compiled (the Quantum I/O tranche's service runs to 2029). And Quantum did not die on one date: it closed in five published tranches between 2015 and 2024 — the non-Unity CPUs obsoleted May 31, 2015; the Unity processors and communication modules ended commercialisation 1 December 2018; Quantum Safety followed 1 December 2019; the remaining I/O and accessories 1 December 2021; and a final-parts Change Notice closed the tail (backplanes, fiber converters, accessories) across 2023–2024. Anyone quoting a single Quantum EOL date is wrong. The next deadline in the file after December 2026 is the Harmony GTO panels' end of service on 31 March 2027.
Honesty notes: several ranges buyers commonly assume are dead are still ACTIVE — Lexium 32 (LXM32), the Modicon M340 platform, most of the Zelio Logic range, and Magelis STO/STU (renamed Harmony STO & STU) carry no range-level discontinuation; retirements in those families are per-reference and are recorded as such. Conversely, Lexium 05/15 and Twido are obsolete without published dates — Schneider publishes their obsolescence but no end-of-commercialisation date in the sources opened, so their date cells are blank deliberately, not missing research. One distributor guide claims the ATV71 "remains in active commercialization"; Schneider's own product pages mark ATV71 references Discontinued — the OEM status is the one recorded, and the conflict is flagged in the full file.
Verification standard: official Schneider Electric sources first (se.com product and range pages with lifecycle banners, se.com support FAQs, Schneider lifecycle bulletins and Change Notices). Schneider's lifecycle status attaches to individual catalog references, not families — dates for references in the same range routinely differ by years — so series-level records state the range-level position Schneider publishes and give per-reference dates only as the checked examples they are. Dates are reproduced exactly as published and left blank where Schneider published none — no dates, part numbers, or successors are inferred. Three se.com FAQ pages returned HTTP 403 on direct open and were read from the search-index extraction of the same official pages, and two Change Notices plus the UK lifecycle bulletin PB1802.1 were read via third-party hosting of the Schneider originals; both are noted per record in the full file.
| Product Family | Catalog/Series | Lifecycle Status | Discontinuation or milestone date | Recommended Replacement / Migration Path |
|---|---|---|---|---|
| Modicon Quantum processors & communications (Unity) | 140CPU* Unity processors, 140NO* communication modules, 140CRP* remote I/O heads | End of commercialisation (Schneider lifecycle bulletin PB1802.1, February 2018; Change Notice issued 12/01/2016) | End of commercialisation 1 December 2018; last buy 1 September 2018 (Change Notice); end of service 1 December 2026 (bulletin) | Modicon M580 |
| Modicon Premium CPU & I/O | TSX*57* Premium processors and Premium I/O | End of commercialisation (bulletin PB1802.1) | End of commercialisation 1 December 2018; last-buy recommendation June 2018; end of service 1 December 2026 | Modicon M580 |
| Twido controllers | Twido TWD base controllers (e.g. TWDLCAE40DRF) and Twido compact/modular bases | Discontinued — "The Twido range is discontinued" (Schneider FAQ FA295988) | Phase-out announced by Schneider for 2016 (Schneider announcement carried by RS, November 2015, with a Schneider update July 2016); no single end-of-commercialisation date is published in the sources opened | Modicon M221, programmed with EcoStruxure Machine Expert Basic |
| Altivar 71 | ATV71 | Discontinued — per-reference "Discontinued on" / "End-of-service on" banners on se.com product pages and Schneider PES datasheets | Varies by reference: ATV71HU55N4 discontinued 1 Jun 2021, end-of-service 30 Jun 2025 (se.com product page); ATV71HD11N4 discontinued Dec 2, 2020, end of service Mar 31, 2028; ATV71HC13N4 discontinued Feb 17, 2021, end of service Dec 31, 2028 (Schneider PES datasheets) | Altivar Process ATV900 (ATV930) — Schneider FAQ FA164347 places the ATV61/71 among the obsolete drives whose current ranges are the ATV600 and ATV900 series; Schneider's ATV68 cross-reference (FAQ FA164494) maps high-torque applications through ATV71 ratings to ATV930 references in Heavy Duty mode |
| Magelis XBT GT | Magelis XBT GT advanced touchscreen panels (XBTGT) | Discontinued — the se.com Magelis XBT GT range page is bannered "Discontinued" | No end-of-commercialisation date published in the sources opened | No model-level successor mapping is published in the sources opened. Schneider's current advanced-panel offers are the Harmony ranges — the GTO generation that followed XBT GT in the catalogue is itself discontinued per-reference (next record), and the current lines are Harmony GTU / GXU |
Sample rows are copied verbatim from the paid dataset file, including its blank dates where Schneider published none.
Full file: all 31 series-level records (13 controllers & I/O, 5 drives, 3 servo/motion, 4 HMI, 6 software), each with migration conditions and source URLs, plus per-family migration notes and a coverage-gaps section listing families checked and deliberately excluded for lack of a verifiable record. Clean Markdown, compiled 2026-10-21.
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Facts compiled from public OEM lifecycle sources; not affiliated with or endorsed by Schneider Electric. Trademarks belong to their owners. This is a migration-planning reference, not engineering sign-off. Schneider publishes "Discontinued on" and "End-of-service on" per reference, so series-level records must not be read as per-reference dates — the ATV71 and ATV312 date spreads in the full file are the standing warning. Verify production-critical selections against the se.com product page for the exact catalog reference before acting, and re-verify the time-sensitive statuses (Quantum Unity / Premium end of service 1 December 2026; Harmony GTO end of service 31 March 2027) at planning time.