{"product_id":"allen-bradley-1769-l31er-nse-16-ethernet-ip-node-controller","title":"Allen-Bradley 1769-L31ER-NSE | 16 EtherNet\/IP Node Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1769-L31ER-NSE\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebelongs to the specialized tier of the CompactLogix 5370 L3 family. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNo-Stored Energy (NSE)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodel serves high-security and hazardous environments—such as underground mining, explosive atmospheres, and sensitive data facilities—where systems must minimize residual electrical energy. Unlike standard controllers, the 1769-L31ER-NSE eliminates internal batteries and high-capacity capacitors. This design ensures the device discharges its energy almost instantaneously upon power removal. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, pre-packaged for mission-critical safety deployment.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCatalog Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1769-L31ER-NSE\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 MB Built-in\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnergy Storage Design\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNSE (No internal batteries or capacitors)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNon-Volatile Storage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eShips with 1769-SD1 (1 GB SD Card)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEtherNet\/IP Nodes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports up to 16 Nodes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x EtherNet\/IP; 1 x USB 2.0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Motion\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 2 Axes over EtherNet\/IP\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eLocal I\/O Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to 8 local 1769 Compact I\/O modules\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e500 mA @ 5.1V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply Distance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eWithin 4 slots of the power supply\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e118 × 35 × 91 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.17 kg (0.37 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eImmediate Energy Discharge:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe NSE architecture removes the risk of residual sparking or heat generation after power-off. This qualifies the controller for strict safety protocols in explosive environments where capacitors could otherwise act as an ignition source.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhanced Data Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBecause the module lacks volatile memory retention hardware, the user program resides exclusively on the Secure Digital (SD) card. Removing the SD card effectively \"sanitizes\" the controller, making it ideal for facilities with high-level data security requirements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Port EtherNet\/IP Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe two Ethernet ports support Device Level Ring (DLR) topologies. This increases network resiliency by providing a redundant physical path for communication, ensuring that a single cable break does not halt your production line.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Motion Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1769-L31ER-NSE supports up to 2 axes of integrated motion over EtherNet\/IP. This allows engineers to synchronize high-performance drives directly within the Studio 5000 environment, eliminating the need for separate motion modules.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompact Footprint for Tight Enclosures:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe chassis-less design saves significant DIN rail space. Its small form factor allows for integration into compact explosion-proof (Ex) enclosures or localized control panels without sacrificing 5370-series processing power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1769-L31ER-NSE require a battery for real-time clock maintenance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This module specifically omits internal batteries to meet NSE requirements. It relies on the system power supply for operation and the SD card for non-volatile storage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the user program if power fails?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe controller automatically loads the user program from the included 1769-SD1 card upon power restoration. You must ensure the latest program version is saved to the SD card during the commissioning phase.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with standard 1769 I\/O?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. It supports up to 8 local 1769 Compact I\/O modules. Ensure you install the controller within 4 slots of the 1769 power supply to maintain proper backplane current levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this controller in standard (non-hazardous) applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile designed for hazardous and high-security areas, it functions perfectly in standard applications. However, most engineers choose this NSE version specifically to satisfy strict site-safety or security discharge regulations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42870828826714,"sku":"1769-L31ER-NSE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/393.jpg?v=1772415044","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1769-l31er-nse-16-ethernet-ip-node-controller","provider":"SpareOil Automation","version":"1.0","type":"link"}