{"product_id":"allen-bradley-1791-16bc-block-i-o-module-16-input-output","title":"Allen-Bradley 1791-16BC Block I\/O Module - 16 Input\/Output","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1791-16BC: 32-Point DC Block I\/O Module\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eCore Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cspan style=\"color: #2e86c1;\"\u003eAllen-Bradley\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e1791-16BC\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Block I\/O Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Configuration:\u003c\/strong\u003e 16 Inputs + 16 Outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Voltage Range:\u003c\/strong\u003e 10-30 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal Power Requirement:\u003c\/strong\u003e 19.2-30 VDC, 300 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput On-State Current:\u003c\/strong\u003e 11mA @ 30V max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Off-State Voltage:\u003c\/strong\u003e 5 VDC max.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Power Dissipation:\u003c\/strong\u003e 17.8 Watts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Vertical or Horizontal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.25 lbs (1.02 kg)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Dimensions:\u003c\/strong\u003e 6.95\"H × 4.35\"W × 3.85\"D\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Environmental Requirements\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure a minimum of \u003cspan style=\"color: #2e86c1;\"\u003e2 inches of clearance\u003c\/span\u003e on all sides of the module for proper airflow and cooling.\u003c\/li\u003e\n\u003cli\u003eYou can mount the \u003cstrong\u003e1791-16BC\u003c\/strong\u003e in either \u003cspan style=\"color: #2e86c1;\"\u003evertical or horizontal orientation\u003c\/span\u003e to suit your panel layout.\u003c\/li\u003e\n\u003cli\u003eConnect modules in a \u003cspan style=\"color: #2e86c1;\"\u003edaisy-chain topology\u003c\/span\u003e to build your Remote I\/O network efficiently.\u003c\/li\u003e\n\u003cli\u003eThis module must be installed inside a \u003cspan style=\"color: #2e86c1;\"\u003eprotective enclosure\u003c\/span\u003e rated for your specific industrial environment.\u003c\/li\u003e\n\u003cli\u003eThe enclosure should guard against contaminants like dust, oil, water, and chemical exposure.\u003c\/li\u003e\n\u003cli\u003eThe module features internal fusing for the power input, eliminating the need for external fuses on that circuit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePerformance Details \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe module operates as a Remote I\/O adapter, requiring communication with an RIO scanner in your PLC system.\u003c\/li\u003e\n\u003cli\u003eIt supports selectable \u003cspan style=\"color: #2e86c1;\"\u003ebaud rates from 57.6K to 230.4K\u003c\/span\u003e for network communication.\u003c\/li\u003e\n\u003cli\u003eMaximum network distance is \u003cspan style=\"color: #2e86c1;\"\u003e10,000 ft at 57.6K\u003c\/span\u003e, 5,000 ft at 115.2K, and 2,500 ft at 230.4K baud.\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003e1791-16BC\u003c\/strong\u003e is fully compatible with \u003cspan style=\"color: #2e86c1;\"\u003eAllen-Bradley PLC-2, PLC-3, PLC-5, and SLC 500\u003c\/span\u003e controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan style=\"color: #2e86c1;\"\u003eOutput current rating varies with mounting and temperature\u003c\/span\u003e: Vertical mount offers 500mA (60°C) up to 1A (30°C).\u003c\/li\u003e\n\u003cli\u003eHorizontal mount offers 250mA (60°C) up to 500mA (30°C).\u003c\/li\u003e\n\u003cli\u003eIt can handle short \u003cspan style=\"color: #2e86c1;\"\u003esurge currents up to 3 Amps for 50 milliseconds\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e The individual output channels are \u003cspan style=\"color: #2e86c1;\"\u003enot internally fused\u003c\/span\u003e; consider external protection for connected loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging \u0026amp; Shipping Information\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEvery \u003cstrong\u003e1791-16BC\u003c\/strong\u003e module is supplied as \u003cspan style=\"color: #2e86c1;\"\u003e100% new and in original factory packaging\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eWe stock this item for \u003cspan style=\"color: #2e86c1;\"\u003equick order fulfillment\u003c\/span\u003e directly from our warehouse.\u003c\/li\u003e\n\u003cli\u003eOrders are processed and typically \u003cspan style=\"color: #2e86c1;\"\u003eshipped within 3 to 5 business days\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eWe deliver worldwide using reliable express services like \u003cspan style=\"color: #2e86c1;\"\u003eDHL, FedEx, and UPS\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eYour purchase is backed by our \u003cspan style=\"color: #2e86c1;\"\u003e30-day return policy\u003c\/span\u003e for a risk-free buying experience.\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\u003eHow does the 1791-16BC differ from the 1791-16B0 model?\u003c\/strong\u003e\u003cbr\u003eThe key difference is I\/O count: The \u003cstrong\u003e1791-16BC\u003c\/strong\u003e provides both \u003cspan style=\"color: #2e86c1;\"\u003e16 inputs and 16 outputs\u003c\/span\u003e, while the 1791-16B0 is an input-only module with 16 channels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich Allen-Bradley PLCs can communicate with this module?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003e1791-16BC\u003c\/strong\u003e is designed to work seamlessly with \u003cspan style=\"color: #2e86c1;\"\u003ePLC-2, PLC-3, PLC-5, and SLC 500 series\u003c\/span\u003e programmable controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs external fusing required for this Block I\/O module?\u003c\/strong\u003e\u003cbr\u003eNo external fuse is needed for the main power input, as it is internally protected. However, we recommend \u003cspan style=\"color: #2e86c1;\"\u003eexternal protection for the output circuits\u003c\/span\u003e as they are not fused internally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo you have the 1791-16BC in stock, and how fast do you ship?\u003c\/strong\u003e\u003cbr\u003eYes, we maintain stock for fast delivery. Orders are packed and \u003cspan style=\"color: #2e86c1;\"\u003eshipped within 3-5 business days\u003c\/span\u003e via major global carriers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is your return policy if the module doesn't fit my application?\u003c\/strong\u003e\u003cbr\u003eWe offer a straightforward \u003cspan style=\"color: #2e86c1;\"\u003e30-day return period\u003c\/span\u003e from the date of purchase for your complete peace of mind.\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\u003cbr\u003ePhone: \u003ca href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":47285597602050,"sku":"1791-16BC","price":215.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1791-16BC-1.jpg?v=1770795616","url":"https:\/\/www.nex-auto.com\/hr\/products\/allen-bradley-1791-16bc-block-i-o-module-16-input-output","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}