{"product_id":"allen-bradley-1791-16bc-block-i-o-16-input-16-output-dc-module","title":"Allen-Bradley 1791-16BC Block I\/O 16-Input \/ 16-Output DC Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1791-16BC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, standalone remote I\/O interface for Allen-Bradley PLC and SLC control systems. By combining 16 discrete DC inputs and 16 discrete DC outputs into a single \"Block\" housing, this module eliminates the need for separate chassis-based I\/O cards. It excels in distributed control architectures where localized signal processing reduces wiring overhead and assembly time. We provide this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and factory-original\u003c\/strong\u003e, ensuring maximum operational life for your legacy infrastructure.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThis module integrates both sensing and switching capabilities within a rugged, compact footprint.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eI\/O Configuration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32-Point Total (16 Input \/ 16 Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Category\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDC Operation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRemote I\/O (RIO) Link\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBlock I\/O (Chassisless)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLogic side status LEDs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePanel Mount \/ DIN Rail\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFixed terminal blocks\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReduced Installation Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1791-16BC integrates 32 I\/O points without requiring a chassis or power supply module. This \"Block\" design saves significant cabinet space and allows engineers to mount I\/O directly on the machine frame.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Field Wiring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module utilizes a logical terminal layout that separates inputs and outputs. This organization accelerates the commissioning process and prevents wiring errors during high-pressure maintenance windows.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Remote Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike standard rack-mounted cards, the 1791 series features a self-contained enclosure. This construction protects internal circuitry from industrial dust and localized vibration, making it ideal for decentralized mounting near field sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Continuity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estock, facilities can maintain older Remote I\/O (RIO) networks without the compatibility risks or contamination issues often found in used or refurbished surplus hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1791-16BC require a separate rack or chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1791-16BC is a standalone Block I\/O module. It mounts directly to a panel or DIN rail and connects to the processor via the Remote I\/O blue hose link.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the module handle fault diagnostics?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe front panel includes comprehensive LED indicators. These lights provide real-time status of the RIO communication link, internal module health, and individual I\/O point activity for rapid troubleshooting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the benefit of a \"Brand New\" unit for a discontinued series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMany 1791-16BC units on the market are \"pulls\" from active environments. Our\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunits feature pristine terminal blocks and zero-cycle internal components, preventing the intermittent communication failures common in aged equipment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module interface with newer ControlLogix systems?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, provided you utilize a 1756-DHRIO or 1756-RIO module in the ControlLogix rack. This allows the 1791-16BC to function as a remote drop within a modern control architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52846879473973,"sku":"1791-16BC","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1791-16BC.png?v=1778210840","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1791-16bc-block-i-o-16-input-16-output-dc-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}