{"product_id":"allen-bradley-1791-16b0-block-i-o-module-16-channel","title":"Allen-Bradley 1791-16B0 Block I\/O Module | 16-Channel","description":"\u003ch2\u003e\u003cb\u003eCompact 24V DC Input Hub: Allen-Bradley 1791-16B0\u003c\/b\u003e\u003c\/h2\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSaves Panel Space:\u003c\/b\u003e A complete 16-point input interface in one small block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEasy Wiring \u0026amp; Maintenance:\u003c\/b\u003e Features a \u003cb style=\"color: #2a5caa;\"\u003eremovable terminal strip\u003c\/b\u003e for quick connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide PLC Compatibility:\u003c\/b\u003e Works with PLC-5, SLC, and other classic Allen-Bradley controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSimple Network Integration:\u003c\/b\u003e Built-in adapter lets you daisy-chain modules to a scanner.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClear Diagnostics:\u003c\/b\u003e Status indicators and DIP switches on the front help with setup and troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eDetailed Technical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eManufacturer \u0026amp; Brand:\u003c\/b\u003e Allen-Bradley.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel \u0026amp; Series:\u003c\/b\u003e \u003cb\u003e1791-16B0\u003c\/b\u003e, from the \u003cb\u003e1791 Block I\/O\u003c\/b\u003e family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e 24V DC Sinking\/Sourcing Input Module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Channels:\u003c\/b\u003e \u003cb style=\"color: #2a5caa;\"\u003eSixteen (16) discrete inputs\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Voltage Rating:\u003c\/b\u003e 24 Volts DC nominal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Impedance:\u003c\/b\u003e 3.4 Kilo-ohms (maximum).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOn-State Input Current:\u003c\/b\u003e Typically 7 mA at 24V DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOff-State Voltage (Max):\u003c\/b\u003e 5 Volts DC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eResponse Time:\u003c\/b\u003e Fast scan for real-time control response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModule Weight:\u003c\/b\u003e 1.00 lb (0.45 kg).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal Power Supply:\u003c\/b\u003e Converts input power for processor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIsolation Rating:\u003c\/b\u003e Provides protection between field wiring and logic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003ePackage Contents \u0026amp; Shipping\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne (1) new \u003cb\u003e1791-16B0\u003c\/b\u003e DC Input Module.\u003c\/li\u003e\n\u003cli\u003eThis product is covered by a \u003cb\u003e12-month warranty\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003eFree shipping is not included. We ship via \u003cb\u003eFedEx, UPS, and DHL\u003c\/b\u003e.\u003c\/li\u003e\n\u003cli\u003eYou will receive a tracking number after your order ships.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eSimple Installation Steps\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module on a DIN rail or panel in your enclosure.\u003c\/li\u003e\n\u003cli\u003eUse the two captive screws to remove the terminal strip for wiring.\u003c\/li\u003e\n\u003cli\u003eConnect your 24V DC field devices (like sensors and switches).\u003c\/li\u003e\n\u003cli\u003eSet the I\/O rack number and other settings using the front DIP switches.\u003c\/li\u003e\n\u003cli\u003eDaisy-chain the communication cable to the next Block I\/O or scanner.\u003c\/li\u003e\n\u003cli\u003eApply power and check the status LED for proper operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eProfessional FAQ\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eQ: Is this a sinking or sourcing input module?\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e The \u003cb\u003e1791-16B0\u003c\/b\u003e is designed to work with both sinking and sourcing 24V DC field devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQ: Can I use it with a modern CompactLogix or ControlLogix?\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e It connects via a Remote I\/O scanner. You need a compatible scanner module in your Logix chassis.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQ: What is the input delay or filter time?\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e It has a fast response typical of Block I\/O, with minimal delay for state changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQ: How do I set the module's address?\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e Use the DIP switch assemblies behind the front cover to set the I\/O rack number.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQ: What happens if I lose communication?\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eA:\u003c\/b\u003e You can configure the DIP switches to hold the last state or turn off all inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003e© 2025 Ubest Automation Limited. \u003ca href=\"https:\/\/www.ubestplc.com\"\u003ehttps:\/\/www.ubestplc.com\u003c\/a\u003e All rights reserved.\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eAuthor: Ubest Automation\u003c\/b\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@ubestplc.com\"\u003esales@ubestplc.com\u003c\/a\u003e | Phone: \u003ca href=\"https:\/\/wa.me\/868618030005825\"\u003e+86 180 3000 5825\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51503040463130,"sku":"1791-16B0","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0873\/6240\/4634\/files\/1791-16B0.jpg?v=1766973729","url":"https:\/\/www.ubestplc.com\/products\/allen-bradley-1791-16b0-block-i-o-module-16-channel","provider":"Ubest Automation Limited","version":"1.0","type":"link"}