{"product_id":"schneider-170nef11021-modbus-plus-communication-adapter","title":"Schneider 170NEF11021 Modbus Plus Communication Adapter","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSchneider 170NEF11021\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Modbus Plus communication adapter designed for the Modicon Momentum automation platform. It enables a Momentum I\/O base to become a node on a Modbus Plus network. The adapter supports peer-to-peer token bus communication at a transmission rate of 1 Mbit\/s. It uses twisted pair cabling and supports a multidrop topology with extension or tap-off cables. Additionally, dual SUB-D 9 connectors provide network redundancy. LED indicators show power and communication status, ensuring reliable and clear diagnostics. This adapter guarantees robust data exchange in distributed industrial control systems.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eModbus Plus Communication Adapter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePlatform Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eModicon Momentum series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocol:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eModbus Plus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAccess Method:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePeer-to-peer token bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 Mbit\/s\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTransmission Medium:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwisted pair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTopology:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMultidrop (extension or tap-off cable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Devices per Segment:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e31\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMax Devices across Segments:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e63\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Cable Distance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5000 m with repeater\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Format:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e984\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFail State Options:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFull scale value\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain last value\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFallback to zero\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eForce to zero\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFrom I\/O base\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Connections:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e2 × SUB-D 9-pin connectors (for Modbus Plus and redundant network)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocal Signaling LEDs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eGreen: Powered\/communicating (MB+ ACT)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRed: Communication error network A (ERR A)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRed: Communication error network B (ERR B)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCertifications:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCE, UL, CSA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElectrostatic Discharge Resistance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4 kV (contact), 8 kV (air)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEMC Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 V\/m (80–1000 MHz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0°C to +60°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e−40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRelative Humidity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e95% non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAltitude Limit:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e≤ 5000 m\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5.8 cm (H) × 18 cm (W) × 25.9 cm (L)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight: \u003c\/strong\u003e193 g\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":42027841912922,"sku":"170NEF11021","price":146.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/170NEF11021.jpg?v=1751442286","url":"https:\/\/www.plcmasters.com\/products\/schneider-170nef11021-modbus-plus-communication-adapter","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}