{"product_id":"allen-bradley-1771-owna-digital-contact-output-module","title":"Allen-Bradley 1771-OWNA Digital Contact Output Module","description":"\u003cp\u003eConfigured for high-density relay output execution in Allen-Bradley 1771 Universal I\/O Chassis platforms, the \u003cstrong\u003eAllen-Bradley 1771-OWNA\u003c\/strong\u003e (\u003cstrong\u003e1771-OWNA\u003c\/strong\u003e Digital Contact Output Module) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1771\u003c\/strong\u003e: Universal I\/O platform hardware family for PLC-5 automation systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOWN\u003c\/strong\u003e: High-density 32-channel electromechanical contact relay output configuration (Normally Open).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e: Factory conformal coating option for environmental and chemical resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-OWNA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.00 lbs (0.91 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1771 single-slot chassis module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (32 to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12.5 W maximum (all relays active)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.8 A nominal, 2.5 A maximum at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e32 (4 isolated groups of 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Type\u003c\/td\u003e\n\u003ctd\u003e32 Normally Open (N.O.) electromechanical relays\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 to 138 VAC RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e24 to 125 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Continuous Current\u003c\/td\u003e\n\u003ctd\u003e12 A total per module (at 45 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Arm\u003c\/td\u003e\n\u003ctd\u003e1771-WH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eHigh-Density I\/O Isolation and Deterministic Network Response\u003c\/h3\u003e\n\u003cp\u003eThe 1771-OWNA module leverages high-density I\/O scaling to manage up to 32 discrete load circuits while maintaining electrical isolation between backplane logic and field-side contacts. Designed to operate alongside EtherNet\/IP deterministic networks and remote I\/O scanners, the internal switching logic isolates electrical transients and surge back-EMF, ensuring stable backplane bus communication velocity across adjacent PLC-5 submodules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the backplane current draw requirement for the 1771-OWNA relay module?\u003c\/p\u003e\n\u003cp\u003eA: The 1771-OWNA draws 1.8 A nominal and up to 2.5 A maximum from the chassis 5 VDC backplane bus when all 32 output relays are fully energized.\u003c\/p\u003e\n\u003cp\u003eQ: How does operating temperature affect the maximum continuous output current of the module?\u003c\/p\u003e\n\u003cp\u003eA: Up to 45 deg C, the module supports a maximum total current of 12 A. Above 45 deg C, total module current derates linearly at 0.4 A per deg C up to the maximum operating threshold of 60 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eConfirm that backplane supply power and field wiring power are fully disconnected before inserting the module into or removing it from the 1771 chassis slot.\u003c\/li\u003e\n\u003cli\u003eVerify that the 1771-WH field wiring arm is correctly keyed and securely seated to ensure low-resistance pin contact across all 32 output channels.\u003c\/li\u003e\n\u003cli\u003eObserve external fusing and load requirements to ensure total current per group of 8 channels does not exceed 4 A at ambient temperatures up to 45 deg C.\u003c\/li\u003e\n\u003cli\u003eKeep field signal wiring separated from high-voltage AC mains and high-frequency noise sources to avoid unwanted inductance across contact leads.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":48779945836734,"sku":"1771-OWNA","price":93.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/1771-IXE_2_0d9b0e1b-9e42-47ff-835b-9355975ab1c5.png?v=1787541833","url":"https:\/\/www.autooiltech.com\/products\/allen-bradley-1771-owna-digital-contact-output-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}