{"product_id":"schneider-electric-140x816-modbus-plus-floating-point-adapter","title":"Schneider Electric 140X816 Modbus Plus Floating Point Adapter","description":"\u003ch2\u003e\u003cstrong\u003eSchneider Electric 140X816 Modbus Plus Floating Point Adapter\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003eKey technical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufacturer: \u003cstrong style=\"color: #0066b3;\"\u003eSchneider Electric\u003c\/strong\u003e, part of the renowned Modicon Momentum series.\u003c\/li\u003e\n\u003cli\u003eModel number: \u003cstrong style=\"color: #0066b3;\"\u003e140X816\u003c\/strong\u003e – a dedicated floating point option adapter.\u003c\/li\u003e\n\u003cli\u003eBus protocol: native \u003cstrong style=\"color: #0066b3;\"\u003eModbus Plus\u003c\/strong\u003e with a fixed data rate of 1 Mbps.\u003c\/li\u003e\n\u003cli\u003eConnector type: one 9‑pin D‑sub female port, ready for immediate field use.\u003c\/li\u003e\n\u003cli\u003eIncluded cable: factory‑attached 1.8 m (5.91 ft) cable simplifies installation.\u003c\/li\u003e\n\u003cli\u003eMaximum transmission distance: up to 450 m (1476 ft) between nodes.\u003c\/li\u003e\n\u003cli\u003eNetwork capacity: supports 1 to 64 node addresses, with a maximum of 32 physical drops.\u003c\/li\u003e\n\u003cli\u003ePower consumption: only 2.5 W, ensuring energy‑efficient operation.\u003c\/li\u003e\n\u003cli\u003eDimensions: 115 mm length, 40 mm height, 120 mm depth – compact footprint.\u003c\/li\u003e\n\u003cli\u003eWeight: just 0.2 kg (0.44 lbs), easy to handle during mounting.\u003c\/li\u003e\n\u003cli\u003eMounting type: Type B, compatible with standard DIN rails or panel mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEnvironmental resistance and reliability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating temperature range: 0 °C to 60 °C, suitable for industrial control cabinets.\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -40 °C to 85 °C, withstanding harsh logistics conditions.\u003c\/li\u003e\n\u003cli\u003eHumidity tolerance: 5 % to 95 % non‑condensing, per IEC 60068‑2‑30.\u003c\/li\u003e\n\u003cli\u003eImmunity to electromagnetic interference complies with Modbus Plus physical layer specs.\u003c\/li\u003e\n\u003cli\u003eHigh noise immunity ensures error‑free floating point data transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs the 140X816 compatible with older Modicon 984 controllers?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong style=\"color: #0066b3;\"\u003e140X816\u003c\/strong\u003e works with any Modicon Momentum or 984 system that supports Modbus Plus at 1 Mbps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the adapter require an external power supply?\u003c\/strong\u003e\u003cbr\u003eNo, it draws the 2.5 W directly from the Momentum bus through the backplane connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan I extend the cable length beyond 1.8 meters?\u003c\/strong\u003e\u003cbr\u003eThe integrated cable is fixed, but you can use a standard Modbus Plus extension cable with a 9‑pin D‑sub coupler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the maximum number of 140X816 units on one Modbus Plus line?\u003c\/strong\u003e\u003cbr\u003eYou can install up to 32 physical adapters (drops) on a single segment, addressing up to 64 logical nodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the adapter support floating point data types natively?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong style=\"color: #0066b3;\"\u003e140X816\u003c\/strong\u003e handles IEEE 754 floating point format without extra programming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre there any special mounting requirements for vibration-prone areas?\u003c\/strong\u003e\u003cbr\u003eThe Type B mounting clip secures firmly on a DIN rail; for high vibration, we recommend an additional end bracket.\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 | Phone: \u003ca rel=\"noopener\" href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":47409588371714,"sku":"140X816","price":253.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/140X816.jpg?v=1785224880","url":"https:\/\/www.nex-auto.com\/products\/schneider-electric-140x816-modbus-plus-floating-point-adapter","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}