{"product_id":"nw-bm85s485-rs-485-multiplexer-module-quantum-series-schneider","title":"NW-BM85S485 RS-485 Multiplexer Module Quantum Series Schneider","description":"\u003ch2\u003e\u003cstrong\u003eSchneider Electric NW-BM85S485 Modicon Quantum Multiplexer Bridge Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication Protocol \u0026amp; Data Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer \u003cspan style=\"color: #cc0000;\"\u003eSchneider Electric\u003c\/span\u003e equips the \u003cstrong\u003eNW-BM85S485\u003c\/strong\u003e with native Modbus RTU protocol over RS-485.\u003c\/li\u003e\n\u003cli\u003eData rate reaches \u003cspan style=\"color: #cc0000;\"\u003e115.2 kbps\u003c\/span\u003e maximum for fast and deterministic serial communication.\u003c\/li\u003e\n\u003cli\u003eFour integrated ports allow multiplexing of multiple Modbus RTU devices on one bridge.\u003c\/li\u003e\n\u003cli\u003eModule supports both Modbus Plus and standard Modbus RTU communication profiles.\u003c\/li\u003e\n\u003cli\u003eRJ45 connector provides standardized and tool-free field wiring termination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eElectrical Specifications \u0026amp; Isolation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating voltage accepts \u003cspan style=\"color: #cc0000;\"\u003e12–24V DC\u003c\/span\u003e with wide tolerance for industrial power supplies.\u003c\/li\u003e\n\u003cli\u003ePower consumption remains below \u003cspan style=\"color: #cc0000;\"\u003e1 watt\u003c\/span\u003e, minimizing heat generation in dense racks.\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation protects sensitive control circuits from ground loops and voltage transients.\u003c\/li\u003e\n\u003cli\u003eShielded twisted pair cable requirement ensures robust noise immunity in electrically noisy environments.\u003c\/li\u003e\n\u003cli\u003eModule also accepts 115–220V AC supply for installations with available AC power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental Tolerance \u0026amp; Physical Dimensions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating temperature spans \u003cspan style=\"color: #cc0000;\"\u003e-20°C to +70°C\u003c\/span\u003e, suitable for unenclosed factory floor placement.\u003c\/li\u003e\n\u003cli\u003eStorage temperature extends from -40°C to +85°C for safe warehousing in extreme climates.\u003c\/li\u003e\n\u003cli\u003eRelative humidity tolerance covers \u003cspan style=\"color: #cc0000;\"\u003e5% to 95%\u003c\/span\u003e non-condensing, resisting moisture intrusion.\u003c\/li\u003e\n\u003cli\u003eIP20 enclosure rating protects against solid objects larger than 12 mm.\u003c\/li\u003e\n\u003cli\u003eCompact form factor measures 100 mm length, 50 mm width, and 25 mm height.\u003c\/li\u003e\n\u003cli\u003eNet weight equals \u003cspan style=\"color: #cc0000;\"\u003e2.07 kg (4.56 lbs)\u003c\/span\u003e with robust metal housing for durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMounting, Installation \u0026amp; Package Details\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eModule mounts directly into standard Modicon Quantum racks using integral locking tabs.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play RJ45 connections eliminate complex wiring and reduce commissioning errors.\u003c\/li\u003e\n\u003cli\u003eIndividual package contains one factory-sealed \u003cstrong\u003eNW-BM85S485\u003c\/strong\u003e unit with documentation.\u003c\/li\u003e\n\u003cli\u003ePackage 1 dimensions: 33.5 cm length, 28.5 cm width, 16.3 cm height, weight 2.836 kg.\u003c\/li\u003e\n\u003cli\u003eBulk package 2 contains 10 units for large projects, shipping at 40 kg total weight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #cc0000;\"\u003eNexAuto maintains ready stock\u003c\/span\u003e – orders dispatch within five working days.\u003c\/li\u003e\n\u003cli\u003eWe ship worldwide via FedEx, UPS, or DHL with full tracking and insurance.\u003c\/li\u003e\n\u003cli\u003eCustomers enjoy 30-day return privilege on unopened, original packaging items.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the NW-BM85S485 brand new and authentic?\u003c\/strong\u003e\u003cbr\u003eYes, we supply only \u003cspan style=\"color: #cc0000;\"\u003e100% original, factory-sealed Schneider Electric NW-BM85S485\u003c\/span\u003e modules. No refurbished or counterfeit goods.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the difference between NW-BM85S485 and NW-BM85C485?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eNW-BM85S485\u003c\/strong\u003e specifically provides Modbus RTU over RS-485 with RJ45 ports, while other variants may use different physical layers or protocols.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this module convert Modbus Plus to Modbus RTU?\u003c\/strong\u003e\u003cbr\u003eYes, the NW-BM85 series performs protocol conversion between Modbus Plus and Modbus RTU\/RS-485 networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo I need special software to configure the NW-BM85S485?\u003c\/strong\u003e\u003cbr\u003eNo software configuration is required. The module operates as a transparent bridge with automatic baud rate detection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat cable specification works best with this module?\u003c\/strong\u003e\u003cbr\u003eUse shielded twisted pair cable with characteristic impedance of 120 ohms, typical for RS-485 installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does galvanic isolation improve system reliability?\u003c\/strong\u003e\u003cbr\u003eIsolation breaks ground loops and withstands up to 1500V transient surges, preventing damage to the Quantum backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have the NW-BM85S485 in stock right now?\u003c\/strong\u003e\u003cbr\u003eYes, we maintain real-time inventory. Our sales team confirms availability immediately and ships within five days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the return policy for this item?\u003c\/strong\u003e\u003cbr\u003eWe accept returns within 30 days of delivery. The module must remain unopened in original anti-static packaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":47358133469442,"sku":"NW-BM85S485","price":236.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/NW-BM85S485.jpg?v=1784777599","url":"https:\/\/www.nex-auto.com\/products\/nw-bm85s485-rs-485-multiplexer-module-quantum-series-schneider","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}