{"product_id":"allen-bradley-i-o-modules-1791-24b8","title":"Allen-Bradley I\/O Modules 1791-24B8","description":"\u003ch2\u003e\u003cstrong\u003eAllen-Bradley 1791-24B8 Block I\/O Module: Comprehensive Technical Overview\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Product Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Allen-Bradley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #e74c3c;\"\u003e1791-24B8\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Line:\u003c\/strong\u003e 1791 Block I\/O\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal I\/O Points:\u003c\/strong\u003e 32 Points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInputs per Block:\u003c\/strong\u003e 24 points (in 3 groups of 8)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutputs per Block:\u003c\/strong\u003e 8 points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Voltage:\u003c\/strong\u003e \u003cspan style=\"color: #e74c3c;\"\u003e24 Volts DC\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Electrical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003e1791-24B8\u003c\/strong\u003e input on-state voltage range is \u003cspan style=\"color: #e74c3c;\"\u003e10 to 30 Volts DC\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eInput on-state current is a maximum of 11 mA at 30 Volts DC.\u003c\/li\u003e\n\u003cli\u003eThe input off-state maximum voltage is 5 Volts DC at 1.5 mA.\u003c\/li\u003e\n\u003cli\u003eThe output voltage range is also \u003cspan style=\"color: #e74c3c;\"\u003e10 to 30 Volts DC\u003c\/span\u003e.\u003c\/li\u003e\n\u003cli\u003eEach output supports 0.5A to 1A continuous current per point.\u003c\/li\u003e\n\u003cli\u003eOutput current rating depends on mounting orientation and temperature.\u003c\/li\u003e\n\u003cli\u003eAn external power supply of 19.2-30V DC at 300 mA is required.\u003c\/li\u003e\n\u003cli\u003eThe module has a maximum power dissipation of 17.1 Watts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental \u0026amp; Physical Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e \u003cspan style=\"color: #e74c3c;\"\u003e0 to 60°C (32 to 140°F)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative Humidity Range:\u003c\/strong\u003e 5% to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature Range:\u003c\/strong\u003e -40 to 85°C (-40 to 185°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (H x W x D):\u003c\/strong\u003e 176.5mm x 68.8mm x 98mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 1.75 lbs (0.79 kg)\u003c\/li\u003e\n\u003cli\u003eThe module is designed for reliable performance in harsh conditions.\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 is the input voltage range for the 1791-24B8?\u003c\/strong\u003e\u003cbr\u003eA: The input on-state range is 10 to 30 Volts DC for proper operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: How many output points does this module have?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e1791-24B8\u003c\/strong\u003e provides eight (8) discrete DC output points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the operating temperature range?\u003c\/strong\u003e\u003cbr\u003eA: It operates in a wide range from \u003cspan style=\"color: #e74c3c;\"\u003e0 to 60°C (32 to 140°F)\u003c\/span\u003e.\u003cstrong\u003e\u003c\/strong\u003e\n\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":47285604483330,"sku":"1791-24B8","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/1791-24B8.jpg?v=1770798214","url":"https:\/\/www.nex-auto.com\/ar\/products\/allen-bradley-i-o-modules-1791-24b8","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}