{"product_id":"i-o-module-allen-bradley-1790d-8bv8b","title":"I\/O Module Allen-Bradley 1790D-8BV8B","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1790D-8BV8B Universal I\/O Module Product Introduction\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eInput Specifications \u0026amp; Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e1790D-8BV8B\u003c\/strong\u003e provides \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003e8 universal input points\u003c\/strong\u003e\u003c\/span\u003e that support both sinking and sourcing configurations.\u003c\/li\u003e\n\u003cli\u003eInput on-state voltage ranges from \u003cspan style=\"color: #e74c3c;\"\u003e9.6V DC minimum to 28.8V DC maximum\u003c\/span\u003e, with 24V DC nominal.\u003c\/li\u003e\n\u003cli\u003eEach input channel draws a maximum of \u003cspan style=\"color: #e74c3c;\"\u003e8 mA at 28.8V DC\u003c\/span\u003e during operation.\u003c\/li\u003e\n\u003cli\u003eThe module features a nominal \u003cspan style=\"color: #e74c3c;\"\u003einput impedance of 4.8 KΩ\u003c\/span\u003e for reliable signal detection.\u003c\/li\u003e\n\u003cli\u003eAll eight input points have independent commons \u003cspan style=\"color: #e74c3c;\"\u003e(8 points\/8 COM)\u003c\/span\u003e for wiring flexibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOutput Specifications \u0026amp; Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module includes \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003e8 sourcing output points\u003c\/strong\u003e\u003c\/span\u003e for driving various loads.\u003c\/li\u003e\n\u003cli\u003eOutput on-state voltage ranges from \u003cspan style=\"color: #e74c3c;\"\u003e10V DC minimum to 28.8V DC maximum\u003c\/span\u003e, with 24V DC nominal.\u003c\/li\u003e\n\u003cli\u003eEach output supports \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003e0.5A maximum current per point\u003c\/strong\u003e\u003c\/span\u003e with a \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003e4.0A maximum per common group\u003c\/strong\u003e\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eFast response times include \u003cspan style=\"color: #e74c3c;\"\u003e0.5 ms maximum off-to-on delay\u003c\/span\u003e and \u003cspan style=\"color: #e74c3c;\"\u003e1.0 ms maximum on-to-off delay\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eThe module maintains low \u003cspan style=\"color: #e74c3c;\"\u003eoff-state leakage current of 0.5 mA maximum\u003c\/span\u003e for energy efficiency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePower Requirements \u0026amp; Isolation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDeviceNet power operates at \u003cspan style=\"color: #e74c3c;\"\u003e24V DC nominal (11-28.8V DC range)\u003c\/span\u003e with \u003cspan style=\"color: #e74c3c;\"\u003e1.2W maximum power dissipation\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eField power supply requires \u003cspan style=\"color: #e74c3c;\"\u003e10-28.8V DC\u003c\/span\u003e with \u003cspan style=\"color: #e74c3c;\"\u003e6 mA per point consumption at 28.8V DC\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003ePhotocoupler isolation provides 1250V AC RMS protection\u003c\/strong\u003e\u003c\/span\u003e between I\/O circuits and internal logic.\u003c\/li\u003e\n\u003cli\u003eThe module uses a standard \u003cspan style=\"color: #e74c3c;\"\u003e37-pin D-shell connector\u003c\/span\u003e for all wiring connections.\u003c\/li\u003e\n\u003cli\u003eEach I\/O point features individual \u003cspan style=\"color: #e74c3c;\"\u003egreen LED status indicators\u003c\/span\u003e for immediate diagnostics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What does \"universal input\" mean for the 1790D-8BV8B?\u003c\/strong\u003e\u003cbr\u003eA: Universal inputs can be wired as either \u003cspan style=\"color: #e74c3c;\"\u003esinking or sourcing configurations\u003c\/span\u003e without hardware changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the maximum output current per channel?\u003c\/strong\u003e\u003cbr\u003eA: Each sourcing output supports \u003cspan style=\"color: #e74c3c;\"\u003eup to 0.5A maximum current\u003c\/span\u003e with proper heat dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many commons does this module have?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e1790D-8BV8B\u003c\/strong\u003e features \u003cspan style=\"color: #e74c3c;\"\u003eindependent commons for each point (8 points\/8 COM)\u003c\/span\u003e for maximum wiring flexibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What isolation protection does this module provide?\u003c\/strong\u003e\u003cbr\u003eA: The module offers \u003cspan style=\"color: #e74c3c;\"\u003e\u003cstrong\u003e1250V AC RMS photocoupler isolation\u003c\/strong\u003e\u003c\/span\u003e between I\/O circuits and control logic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is your return and shipping policy?\u003c\/strong\u003e\u003cbr\u003eA: We offer \u003cspan style=\"color: #e74c3c;\"\u003e30-day returns\u003c\/span\u003e and ship within 5 days via major international carriers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/8615392429628\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47279499313410,"sku":"1790D-8BV8B","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1790D-8BV8B.jpg?v=1770628123","url":"https:\/\/www.nex-auto.com\/products\/i-o-module-allen-bradley-1790d-8bv8b","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}