{"product_id":"digital-i-o-expansion-blocks-allen-bradley-1791d-0v16px","title":"Digital I\/O Expansion Blocks | Allen Bradley 1791D-0V16PX","description":"\u003cp\u003eThe Allen Bradley \u003cstrong\u003e1791D-0V16PX\u003c\/strong\u003e is a DeviceNet digital I\/O expansion block featuring 16 sinking outputs and 16 sinking inputs for 24V DC control systems. It combines input monitoring and output switching in a single block, allowing field signals and control commands to interface with a DeviceNet-based automation network. The manufacturer discontinued this product on June 30, 2013.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\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\u003e1791D-0V16PX\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\u003eDigital I\/O Expansion Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003ePLC Module \/ Rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Network\u003c\/td\u003e\n\u003ctd\u003eDeviceNet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eSinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eSinking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal I\/O Points\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.71 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscontinuation Date\u003c\/td\u003e\n\u003ctd\u003eJune 30, 2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e\u003cstrong\u003eDigital Input and Output Configuration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe 1791D-0V16PX combines 16 sinking inputs and 16 sinking outputs in one digital I\/O expansion block. This arrangement provides 32 digital I\/O points for monitoring field signals and controlling connected devices.\u003c\/p\u003e\n\u003cp\u003eBoth input and output configurations are identified as sinking. When checking replacement compatibility, the sourcing or sinking arrangement of the connected field devices and wiring should be verified rather than relying on the 24V DC rating alone.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDeviceNet Communication\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe block uses DeviceNet for communication with the automation control system. DeviceNet provides the network connection between the I\/O block and the controller, allowing digital input states to be transmitted and output commands to be received over the network.\u003c\/p\u003e\n\u003cp\u003eThe product is identified as a digital I\/O expansion block rather than a standalone PLC processor. Controller compatibility, network configuration and replacement requirements should be checked against the existing DeviceNet installation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Availability and Replacement Considerations\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe manufacturer discontinued the 1791D-0V16PX on \u003cstrong\u003eJune 30, 2013\u003c\/strong\u003e. It should therefore be treated as a discontinued model when planning maintenance, spare-parts procurement or system replacement.\u003c\/p\u003e\n\u003cp\u003eThe supplied commercial information states that the factory warranty does not apply and that a Radwell 2-year warranty is included. This warranty statement relates to the listed supplier offering and should not be interpreted as an Allen Bradley manufacturer warranty.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many digital I\/O points does the Allen Bradley 1791D-0V16PX provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It provides 32 digital I\/O points in total, consisting of 16 sinking inputs and 16 sinking outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What communication network does the 1791D-0V16PX use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module uses DeviceNet for communication with the control system. It is designed to operate as a networked digital I\/O expansion block.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the Allen Bradley 1791D-0V16PX discontinued?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. The supplied product information identifies June 30, 2013 as the manufacturer's discontinuation date. Replacement selection should account for the existing DeviceNet network, I\/O configuration and sinking signal requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53270493561112,"sku":"1791D-0V16PX","price":270.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/1791D-0V16PX2_Cocoai.jpg?v=1794534808","url":"https:\/\/www.innoplcsync.com\/products\/digital-i-o-expansion-blocks-allen-bradley-1791d-0v16px","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}