{"product_id":"1771-owna-rockwell-automation-output-module-conformal-coat","title":"1771-OWNA Rockwell Automation Output Module Conformal Coat","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1771-OWNA functions as a high-density digital contact output module engineered specifically for the legacy 1771 I\/O chassis platform and PLC-5 control systems. This industrial hardware contains 32 independent, normally-open (N.O.) electromechanical relay contacts arranged in four isolated groups of eight outputs. It provides an efficient processing bridge for switching both AC and DC resistive electrical loads directly from controller memory logic.\u003c\/p\u003e\n\u003cp\u003eTo ensure long-term physical protection when deployed in challenging manufacturing spaces, this module features factory-applied conformal coating. This specialty protective layer shields internal electronic components against airborne moisture, dust, and corrosive chemicals.\u003c\/p\u003e\n\u003cp\u003eWe deliver this hardware exclusively as \u003cstrong\u003e100% brand new, original, and factory-sealed\u003c\/strong\u003e to guarantee uncompromised mechanical relay lifecycles, reliable contact resistance, and long-term installation stability.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe table below logs the precise mechanical, electrical, and thermal parameters for the 1771-OWNA relay contact card. All alphanumeric data utilizes standard ASCII characters.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eManufacturer\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eProduct Line\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003ePLC-5 \/ 1771 I\/O System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003ePart Number\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003e1771-OWNA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eUPC Code\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e612598003303\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eModule Type\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eDigital Contact Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eTotal Outputs\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e32 Channels (Arranged in 4 groups of 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eContact Configuration\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003eNormally-Open (N.O.) electromechanical relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eAC Operating Voltage Range\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e24 to 138 Volts RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eDC Operating Voltage Range\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e24 to 125 Volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eNominal Backplane Current\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e1.8 Amperes at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eMaximum Backplane Current\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e2.5 Amperes at 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eMax Continuous Current Per Output\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e1.0 Ampere at 45 degrees Celsius (Resistive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eMax Continuous Current Per Group\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e4.0 Amperes at 45 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eMax Continuous Current Per Module\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e12.0 Amperes at 45 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003eMaximum Power Rating\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003e30 Watts per output (Resistive load max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eMinimum Contact Load Requirement\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003e10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\"\u003eSignal Turn-Off Delay (AC)\u003c\/td\u003e\n\u003ctd data-row=\"18\"\u003e45 ms (+\/- 15 ms)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\"\u003eSignal Turn-Off Delay (DC)\u003c\/td\u003e\n\u003ctd data-row=\"19\"\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"20\"\u003eMaximum Switching Frequency\u003c\/td\u003e\n\u003ctd data-row=\"20\"\u003e10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"21\"\u003eCircuit Protection Treatment\u003c\/td\u003e\n\u003ctd data-row=\"21\"\u003eFactory Conformal Coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"22\"\u003eMatching Field Wiring Arm\u003c\/td\u003e\n\u003ctd data-row=\"22\"\u003e1771-WH or 1771-WN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"23\"\u003eModule Net Weight\u003c\/td\u003e\n\u003ctd data-row=\"23\"\u003e0.91 kg (2.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"24\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd data-row=\"24\"\u003e0 to 60 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"25\"\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd data-row=\"25\"\u003e-40 to 85 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Rack Space Consolidation:\u003c\/strong\u003e Packing 32 normally-open mechanical contact points into a single 1771 slot saves massive space inside legacy enclosures. This high concentration minimizes the number of total chassis racks required during plant layout expansions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Group Electrical Isolation:\u003c\/strong\u003e Splitting the 32 outputs into four isolated sets of eight channels allows engineering teams to mix different voltage references safely on the same physical module card. This configuration isolates distinct industrial circuit loops and prevents localized cross-talk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosive Environment Mitigation:\u003c\/strong\u003e The factory-applied conformal coating provides a durable barrier against humidity and gaseous environmental hazards. This protective treatment stops trace chemical tracking, dendritic metal growths, and rust, preventing premature field component failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Field Wiring Maintenance:\u003c\/strong\u003e The hardware establishes field terminal connection loops through a pivot-action swing arm (1771-WH or 1771-WN). This mechanical interface allows plant electricians to slide the entire module out of the slot for inspection without disconnecting a single wire loop.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIs this 1771-OWNA module brand new, and does it carry original factory seals?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eYes. We supply this 1771-OWNA module strictly in 100% brand new, original, authentic factory condition. It ships in original unopened factory boxes to verify physical integrity and complete mechanical relay lifespans.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCan I use this contact output module to drive heavy inductive solenoid coils or motors?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eRockwell Automation builds the 1771-OWNA primarily for switching resistive loads (Power Factor = 1.0). The module does not include internal surge-limiting snubber circuits. If you interface this card with inductive components like solenoids or contactors, you must install external suppression devices to protect the relay contacts from electrical arcing.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDoes the 1771-OWNA card draw its electrical relay power from the field lines or the chassis?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe module pulls its logic processing power and its internal relay coil activation current directly from the 1771 chassis backplane power supply. It draws a nominal current of 1.8 Amps (up to 2.5 Amps maximum when all 32 relay coils engage simultaneously) from the +5V DC backplane line.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWhat happens to the current rating of the module if my control room ambient temperature exceeds 45°C?\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eThe module requires linear current derating above 45 degrees Celsius. Individual outputs derate by 0.033 Amps per degree, each 8-point group derates by 0.133 Amps per degree, and the overall module current capacity derates by 0.4 Amps per degree above 45°C to protect internal traces from thermal overload.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43404511150170,"sku":"1771-OWNA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/272._51656867-ad96-48df-b9aa-f24d74bfda6f.jpg?v=1779432019","url":"https:\/\/www.spareoil.com\/products\/1771-owna-rockwell-automation-output-module-conformal-coat","provider":"SpareOil Automation","version":"1.0","type":"link"}