{"product_id":"allen-bradley-1756-oa8d-diagnostic-output-module-controllogix","title":"Allen-Bradley 1756-OA8D Diagnostic Output Module | ControlLogix","description":"\u003ch2\u003eAllen-Bradley 1756-OA8D Diagnostic AC Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OA8D\u003c\/strong\u003e is an advanced 8-point diagnostic output module from \u003cstrong\u003eRockwell Automation\u003c\/strong\u003e. This ControlLogix module provides detailed diagnostics and electronic fusing for critical applications. It ensures reliable operation with comprehensive monitoring capabilities.\u003c\/p\u003e\n\u003ch3\u003eProduct Identification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eManufacturer:\u003c\/strong\u003e Rockwell Automation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e1756-OA8D\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eSeries:\u003c\/strong\u003e ControlLogix\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eModule Type:\u003c\/strong\u003e Diagnostic AC Output Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eOutput Points:\u003c\/strong\u003e 8 diagnostic channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eVoltage Range:\u003c\/strong\u003e 74-132V AC, 47-63 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eCurrent Rating:\u003c\/strong\u003e 1A per point @ 30°C, 0.5A @ 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eModule Current:\u003c\/strong\u003e 8A total @ 30°C, 4A @ 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003ePower Dissipation:\u003c\/strong\u003e 5.3 Watts maximum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #a23b72;\"\u003eResponse Time:\u003c\/strong\u003e 9.3ms ON, 11ms OFF\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eElectronic fusing for \u003cstrong\u003eindividual point protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdvanced \u003cstrong\u003efault detection and reporting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eReal-time \u003cstrong\u003eoutput status monitoring\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSurge current handling: \u003cstrong\u003e8A for 43ms per point\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMinimum load requirement: \u003cstrong\u003e10mA per output\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical \u0026amp; Environmental\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to 60°C (32°F to 140°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -40°C to 85°C (-40°F to 185°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity Range:\u003c\/strong\u003e 5% to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Weight:\u003c\/strong\u003e Approximately 1kg (2.25lb)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e Open-style design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSupport, Inquiry, Contact: \u003ca href=\"https:\/\/wa.me\/8615880200923\"\u003e+86 158 8020 0923\u003c\/a\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003eInstallation \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits any slot in \u003cstrong\u003e1756 ControlLogix chassis\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with \u003cstrong\u003e1756-TBNH and 1756-TBSH terminal blocks\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWorks with all \u003cstrong\u003eControlLogix processors\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSingle slot width for \u003cstrong\u003espace-efficient installation\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePower Requirements\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eBackplane Current:\u003c\/strong\u003e 175mA @ 5.1V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003e24V DC Current:\u003c\/strong\u003e 250mA @ 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eThermal Dissipation:\u003c\/strong\u003e 18.0 BTU\/hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong style=\"color: #2e86ab;\"\u003eIsolation Voltage:\u003c\/strong\u003e 125V continuous\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping \u0026amp; Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIncludes one \u003cstrong\u003e1756-OA8D\u003c\/strong\u003e diagnostic module\u003c\/li\u003e\n\u003cli\u003eGlobal shipping via \u003cstrong\u003eFedEx, UPS, and DHL\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComprehensive \u003cstrong style=\"color: #2e86ab;\"\u003e12-month warranty\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTechnical support available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Documentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAccess complete installation and operation manuals\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1756_ControlLogix_I_O_Modules_Specifications.pdf?v=1758762502\"\u003e\u003cstrong\u003eDownload Full Specifications\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat makes this module \"diagnostic\"?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e1756-OA8D\u003c\/strong\u003e provides detailed fault information and electronic fusing for each output point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow does temperature affect current rating?\u003c\/strong\u003e\u003cbr\u003eCurrent capacity decreases linearly from 1A at 30°C to 0.5A at 60°C for safe operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat types of faults can this module detect?\u003c\/strong\u003e\u003cbr\u003eIt detects short circuits, open loads, and other output abnormalities in real-time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan this module handle motor loads directly?\u003c\/strong\u003e\u003cbr\u003eIt can control small motors but may need contactors for higher horsepower applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the advantage of electronic fusing?\u003c\/strong\u003e\u003cbr\u003eElectronic fusing provides faster response and eliminates physical fuse replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e© 2025 Ubest Automation Limited. All rights reserved.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eOriginal Source: \u003ca href=\"https:\/\/www.ubestplc.com\/\"\u003ehttps:\/\/www.ubestplc.com\/\u003c\/a\u003e\u003c\/strong\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/86861800005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51116802998554,"sku":"1756-OA8D","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1756-OA8D_3.jpg?v=1758793275","url":"https:\/\/www.ubestplc.com\/hr\/products\/allen-bradley-1756-oa8d-diagnostic-output-module-controllogix","provider":"Ubest Automation Limited","version":"1.0","type":"link"}