{"product_id":"allen-bradley-1769-ecl-compactlogix-left-end-cap-terminator","title":"Allen-Bradley 1769-ECL CompactLogix Left End Cap Terminator","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-ECL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eend cap module from\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eRockwell Automation\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley is designed for CompactLogix 1769 Compact I\/O systems, serving as a left-side termination component for the communication bus. This device ensures proper electrical termination of the backplane network, maintaining signal integrity and stable system communication across connected I\/O modules.\u003c\/p\u003e\n\u003cp\u003eAs part of the CompactLogix architecture, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-ECL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis required to properly close the left end of the I\/O assembly, preventing communication reflection issues and ensuring reliable data exchange within the controller chassis.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eLeft-side CompactLogix bus termination module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsures proper communication bus closure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for 1769 Compact I\/O systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact open-style mechanical structure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow power consumption design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStable electrical termination for backplane integrity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with Allen-Bradley CompactLogix controllers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightweight and space-efficient design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eCompactLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1769-ECL\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLeft End Cap \/ Bus Terminator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eA \/ B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Position\u003c\/td\u003e\n\u003ctd\u003eLeft End of I\/O Bank\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e87 × 15 × 118 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Rating\u003c\/td\u003e\n\u003ctd\u003eOpen Style (No Enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current (5V DC)\u003c\/td\u003e\n\u003ctd\u003e5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current (24V DC)\u003c\/td\u003e\n\u003ctd\u003e0 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.4 A at 24V DC (system dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e33.6 W (system reference load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e7.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.1 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eSystem Role and Function\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-ECL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis installed at the leftmost position of a CompactLogix I\/O bank to terminate the communication backbone. Without proper termination, the system may experience signal degradation or unstable backplane communication.\u003c\/p\u003e\n\u003cp\u003eIts primary function is electrical and logical bus termination rather than signal processing, ensuring controlled impedance across the Compact I\/O structure.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCompactLogix I\/O system termination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePLC rack configuration completion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial control cabinet assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModular automation system integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpansion chassis stabilization\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat is the purpose of the 1769-ECL?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1769-ECL\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides left-end termination for CompactLogix 1769 I\/O systems, ensuring stable backplane communication.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIs the 1769-ECL required for system operation?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes. It is required to properly terminate the left side of the I\/O bank to ensure correct system communication behavior.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eWhere is it installed?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIt is installed at the leftmost end of the CompactLogix I\/O assembly.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDoes it process signals or inputs?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eNo. It functions purely as a termination device and does not handle I\/O processing.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43392578486362,"sku":"1769-ECL","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1769-ECL2.jpg?v=1779172762","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1769-ecl-compactlogix-left-end-cap-terminator","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}