{"product_id":"1794-iv16-flex-i-o-16-channel-sourcing-input-card-24v-dc","title":"1794-IV16 Flex I\/O 16-Channel Sourcing Input Card 24V DC","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-IV16\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density digital input solution for the Flex I\/O platform. It provides 16 nonisolated sourcing inputs, allowing for efficient monitoring of field devices such as sensors, limit switches, and pushbuttons. Designed to reduce cabinet space and wiring costs, this module interfaces directly with a terminal base to provide distributed control capabilities. We offer this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Factory Sealed\u003c\/strong\u003e, ensuring original manufacturer integrity for your critical automation infrastructure.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Nonisolated, Sourcing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal On-State Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOn-State Voltage Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10V DC to 31.2V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal On-State Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.0 mA @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum On-State Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e11.0 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Off-State Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMinimum Off-State Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.5 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMaximum Input Impedance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.7 kΩ\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\u003e16 Yellow Status LEDs\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\u003eFlex I\/O Digital Input\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\u003eSourcing Input Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1794-IV16 utilizes sourcing inputs, making it compatible with field devices that \"sink\" current to the common. This configuration simplifies wiring in systems where the power supply positive is commoned across multiple sensors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSpace-Efficient Distributed I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Flex I\/O architecture allows you to mount the 1794-IV16 close to the field devices. This modular approach eliminates long multi-conductor cable runs back to a central PLC rack, significantly reducing installation labor and material costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 individual yellow LED indicators provide immediate visual confirmation of input states. Technicians can troubleshoot field-side wiring faults instantly without opening a programming terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRugged Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module operates reliably within a broad DC voltage window (10–31.2V), accommodating the voltage fluctuations common in industrial battery-backed or unregulated power systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhich terminal base units are compatible with the 1794-IV16?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-IV16 requires a 1794 terminal base for operation. Common compatible bases include the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1794-TB3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1794-TB3S\u003c\/strong\u003e. Always verify your wiring requirements (screw clamp vs. spring clamp) before selecting the base.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between a sourcing input (1794-IV16) and a sinking input (1794-IB16)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA sourcing input module like the 1794-IV16 provides power to the input circuit, whereas a sinking module requires the field device to provide the power. You must match the module type to the output logic of your sensors (NPN vs. PNP) to ensure proper signal detection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I replace the 1794-IV16 while the system is under power?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFlex I\/O modules support\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRemoval and Insertion Under Power (RIUP)\u003c\/strong\u003e. You can swap the module without disturbing the rest of the I\/O on the same communication adapter, which minimizes process downtime during maintenance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module provide channel-to-channel isolation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1794-IV16 features\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003enonisolated\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003einputs, meaning the channels share a common return within the module. For applications requiring individual isolation to prevent ground loops between different power sources, you should consult the Allen-Bradley catalog for isolated-specific variants.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43355276574810,"sku":"1794-IV16","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/496_8c408a60-d2a5-4334-9300-75753c9e688b.jpg?v=1778578474","url":"https:\/\/www.spareoil.com\/products\/1794-iv16-flex-i-o-16-channel-sourcing-input-card-24v-dc","provider":"SpareOil Automation","version":"1.0","type":"link"}