{"product_id":"1791-ob16-allen-bradley-block-i-o-series-output-module","title":"1791-OB16 Allen-Bradley Block I\/O Series Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1791-OB16\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1791-OB16\u003c\/strong\u003e Block I\/O Output Module, operates as a dedicated hardware component for 24 VDC discrete output control within Allen-Bradley Block I\/O platforms.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1791-OB16 is a 16-point digital output module designed for Block I\/O applications. The module provides discrete DC output switching through a compact block-style I\/O assembly and interfaces with Allen-Bradley control systems for remote output execution.\u003c\/p\u003e\n\u003cp\u003eThe unit belongs to the discontinued Block I\/O product family and was discontinued by the manufacturer on 06\/30\/2015.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1791-OB16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Points\u003c\/td\u003e\n\u003ctd\u003e16 Points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eBlock I\/O Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e7.6 x 17.8 x 10.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8538907080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC I\/O Architecture Integration\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley Block I\/O family uses distributed I\/O architecture for direct connection of field devices to controller systems. The 1791-OB16 provides digital output execution through 16 discrete channels configured for 24 VDC switching applications.\u003c\/p\u003e\n\u003cp\u003eThe module supports I\/O density scaling by allowing multiple distributed I\/O blocks to be integrated into control networks. System communication performance depends on the selected controller interface and network configuration.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cp\u003eThe shipment configuration includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1791-OB16 Block I\/O Output Module\u003c\/li\u003e\n\u003cli\u003e1 x Integrated Block I\/O module assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAdditional controller communication interfaces, terminal accessories, and mounting components are configured separately according to system requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Installation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module in a suitable control cabinet environment.\u003c\/li\u003e\n\u003cli\u003eSecure the unit using the approved mounting arrangement.\u003c\/li\u003e\n\u003cli\u003eMaintain sufficient space for field wiring access and inspection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eElectrical Wiring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVerify 24 VDC power polarity before connection.\u003c\/li\u003e\n\u003cli\u003eSeparate output wiring from high-voltage conductors.\u003c\/li\u003e\n\u003cli\u003eUse appropriate grounding methods for the control enclosure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Channel Connection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm field device voltage requirements before energizing outputs.\u003c\/li\u003e\n\u003cli\u003eCheck output load compatibility with connected actuators or devices.\u003c\/li\u003e\n\u003cli\u003eVerify channel addressing during PLC configuration and commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat type of signals does the 1791-OB16 handle?\u003c\/p\u003e\n\u003cp\u003eThe 1791-OB16 provides 16 discrete digital output points for 24 VDC field device control applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the 1791-OB16 part of the Block I\/O product family?\u003c\/p\u003e\n\u003cp\u003eYes. The module belongs to the Allen-Bradley Block I\/O series of distributed digital I\/O products.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the output voltage rating of this module?\u003c\/p\u003e\n\u003cp\u003eThe module is specified for 24 VDC Block I\/O output applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many output channels are available?\u003c\/p\u003e\n\u003cp\u003eThe 1791-OB16 contains 16 digital output points within one module assembly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this module be installed as a standalone controller?\u003c\/p\u003e\n\u003cp\u003eNo. The module operates as an I\/O component and requires a compatible control system interface.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the module support analog signals?\u003c\/p\u003e\n\u003cp\u003eNo. The 1791-OB16 is a digital output module and does not provide analog signal processing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat installation method is used for this module?\u003c\/p\u003e\n\u003cp\u003eThe module is installed as a block-style I\/O unit within an industrial control enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAre output addresses configured through the PLC system?\u003c\/p\u003e\n\u003cp\u003eYes. Output addressing is normally assigned through the connected Allen-Bradley controller configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066455249069,"sku":"1791-OB16","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1791-OB16_1.jpg?v=1785849796","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1791-ob16-allen-bradley-block-i-o-series-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}