{"product_id":"1769-l31er-nse-allen-bradley-programmable-controller","title":"1769-L31ER-NSE Allen-Bradley Programmable Controller","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe 1769-L31ER-NSE is a specialized CompactLogix 5370 L3 controller designed for environments where stored energy is restricted. The \"NSE\" (No-Stored Energy) model lacks internal capacitors or batteries for RTC or volatile memory retention, making it suitable for hazardous locations such as mining or explosive atmospheres. It delivers reliable processing power and high-speed communication within a compact, fanless design.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Model\u003c\/td\u003e\n\u003ctd\u003e1769-L31ER-NSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e1 MB built-in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnergy Storage\u003c\/td\u003e\n\u003ctd\u003eNone (Requires SD card for program retention)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Volatile Storage\u003c\/td\u003e\n\u003ctd\u003e1769-SD1 (1 GB), supports up to 2 GB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eDual-port EtherNet\/IP (RJ45), 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtherNet\/IP Nodes\u003c\/td\u003e\n\u003ctd\u003eUp to 16 nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Ports\u003c\/td\u003e\n\u003ctd\u003e1 × USB 2.0 (programming \u0026amp; firmware)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 8 local 1769 Compact I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Distance Rating\u003c\/td\u003e\n\u003ctd\u003e4 slots\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e500 mA @ 5.1 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W × H × D)\u003c\/td\u003e\n\u003ctd\u003e118 × 35 × 91 mm \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0–60 °C (32–140 °F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.17 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNSE Model Considerations\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSD Card Dependency\u003c\/strong\u003e: User program must reside on SD card for retention.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLoad on Power-Up\u003c\/strong\u003e: Configure controller to \"Load Image on Power-up\" to restore application logic automatically.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClock Sync\u003c\/strong\u003e: RTC is not maintained; synchronize via NTP server when Ethernet is available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Technical Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the system clock during power loss?\u003c\/strong\u003e\u003cbr\u003eThe clock resets to default. Use WallClockLog instructions or NTP synchronization to restore correct time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs integrated motion supported?\u003c\/strong\u003e\u003cbr\u003eYes, the L31ER-NSE supports integrated motion on EtherNet\/IP within the node count and processing limits of the L31 series (16 nodes).\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52513407500472,"sku":"1769-L31ER-NSE","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1769-L31ER-NSE.jpg?v=1769756633","url":"https:\/\/www.globalpetroparts.com\/products\/1769-l31er-nse-allen-bradley-programmable-controller","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}