{"product_id":"1771-drs4-allen-bradley-control-coprocessor","title":"1771-DRS4 | Allen-Bradley Control Coprocessor","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"204\" data-end=\"545\" class=\"\"\u003eThe Allen-Bradley 1771-DRS4 is a control coprocessor module featuring a 4 MB static RAM memory expansion, designed to enhance the processing capabilities of legacy automation systems. This module was engineered for high-performance control tasks requiring dedicated memory and auxiliary computation power.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 432.875px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 24.025px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 24.025px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 24.025px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.425px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 26.425px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 26.425px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eAllen-Bradley\u003cbr\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 29.0375px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 29.0375px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 29.0375px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\u003cspan\u003ePLCs\/Machine Control\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.6375px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 28.6375px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 28.6375px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e1771-DRS4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.6px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 23.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSubcatecory\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 23.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem]  md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cdiv class=\"flex gap-[1.75rem]  md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem]  md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\u003cspan\u003ePC Board PLC\/Add-On Board\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 44.6px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 44.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 44.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eControl Coprocessor Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.775px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 35.775px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eMemory\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 35.775px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e4 MB Static RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 55.425px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 55.425px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eSystem Compatibility\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 55.425px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eAllen-Bradley 1771 I\/O Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eModule Function\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eCoprocessor with memory expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 35.6px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 35.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eForm Factor\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 35.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eRack-mounted PLC module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 110.15px;\"\u003e\n\u003cth style=\"width: 25.1799%; text-align: left; height: 110.15px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 74.4604%; height: 110.15px;\"\u003e\u003cspan\u003e0.01 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e1771-DRS4\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-start=\"501\" data-end=\"897\" class=\"\"\u003eThe 1771-DRS4 is a discontinued control coprocessor module from Allen-Bradley, developed for use with programmable controller systems that demand extended memory for local logic execution or data processing. It comes equipped with 4 MB of static RAM, enabling high-speed memory access and reduced response times in time-sensitive industrial control applications.\u003c\/p\u003e\n\u003cp data-start=\"1474\" data-end=\"1495\"\u003e\u003cstrong data-start=\"1478\" data-end=\"1495\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1499\" data-end=\"1554\"\u003eType: Control coprocessor with onboard static RAM\u003c\/li\u003e\n\u003cli data-start=\"1557\" data-end=\"1633\"\u003eMemory Capacity: 4 MB of static RAM for expanded local data processing\u003c\/li\u003e\n\u003cli data-start=\"1636\" data-end=\"1731\"\u003eApplication: Used to offload control and computation tasks from the primary PLC processor\u003c\/li\u003e\n\u003cli data-start=\"1734\" data-end=\"1835\"\u003eSystem Compatibility: Designed for 1771 series I\/O chassis and legacy Allen-Bradley controllers\u003c\/li\u003e\n\u003cli data-start=\"1838\" data-end=\"1903\"\u003eForm Factor: Slot-based module for rack-mounted PLC systems\u003c\/li\u003e\n\u003cli data-start=\"1906\" data-end=\"2009\"\u003eStatus: Discontinued by manufacturer, but still used in legacy systems for extended functionality\u003c\/li\u003e\n\u003cli data-start=\"2012\" data-end=\"2125\"\u003eIndustrial Use: Suitable for memory-intensive control applications requiring dedicated processing resources\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2127\" data-end=\"2307\" class=\"\"\u003eThe 1771-DRS4 adds memory and computational support to legacy control systems, ensuring enhanced logic execution and real-time performance in demanding automation environments.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":49105440080128,"sku":"1771-DRS4","price":14698.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/6996d8aaaada4d71b04ecded45f29af6.jpg?v=1785547111","url":"https:\/\/alotechparts.com\/products\/1771-drs4-allen-bradley-control-coprocessor","provider":"Alo Tech Solutions","version":"1.0","type":"link"}