{"product_id":"1794-ia16-allen-bradley-flex-i-o-16-point-ac-digital-input-module","title":"1794-IA16 | Allen-Bradley | FLEX I\/O 16-Point AC Digital Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1794-IA16\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density AC digital input module within the FLEX I\/O 1794 family. This module interfaces 16 non-isolated 120V AC field signals to the industrial controller via a FLEX I\/O adapter. It bridges the gap between field-level AC sensors—such as push buttons, limit switches, and proximity sensors—and the system backplane. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your control architecture benefits from factory-fresh components and full technical longevity.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IA16 integrates 16 input points into a compact, rail-mounted form factor:\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\u003eNumber of Inputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16, Non-isolated\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120V AC\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\u003e74V AC (min) to 132V AC (max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOff-state Voltage (max)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Input Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12 mA @ 120V AC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlexbus Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6.4 Watts @ 132V AC (max)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Yellow LEDs (Logic Side)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eKeyswitch Position\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePosition 8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 °C (32 to 131 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVibration \u0026amp; Shock\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5g @ 10-500 Hz \/ 30g\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\u003cp\u003eThe 1794-IA16 solves common industrial infrastructure challenges with the following technical features:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Small Footprint:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy packing 16 AC inputs into a single module, the 1794-IA16 reduces the number of racks required. This significantly lowers enclosure costs and saves valuable DIN rail space in crowded control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eComprehensive Terminal Base Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module works with a wide variety of terminal bases, including the 1794-TB3, 1794-TBN, and the 1794-TB3S spring-clamp version. This flexibility allows engineers to choose the termination style—screw or spring—that best suits the facility’s vibration profile.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReal-Time Visual Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 independent yellow LEDs provide immediate visual confirmation of the logic state for every input. Technicians can troubleshoot field-side wiring faults at a glance without utilizing a programming terminal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Environmental Tolerance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module withstands 30g of operating shock and 5g of vibration. These specifications ensure stable data acquisition in heavy-industrial zones where large motors or mechanical presses create significant mechanical stress.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1794-IA16 require a specific keyswitch setting?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You must set the terminal base keyswitch to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePosition 8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ebefore inserting the 1794-IA16. This mechanical interlock prevents the accidental insertion of low-voltage DC modules into a high-voltage AC base, protecting the hardware from electrical damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 1794-IA16 handle 230V AC signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This module operates strictly within the 74V to 132V AC range. Applying 230V AC will exceed the 6.4-watt power dissipation limit and damage the internal circuitry. For 230V applications, utilize the 1794-IM8 or similar high-voltage modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module isolated between the 16 input points?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1794-IA16 features non-isolated inputs. This means all 16 inputs share a common return path within the module. You must ensure all field devices connected to this module share the same AC neutral or return reference to avoid ground loops.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit shipped in its original Allen-Bradley packaging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee that every 1794-IA16 unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand remains in its original factory-sealed packaging. This ensures the unit has zero previous installation time and meets all original manufacturer specifications.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53423193850040,"sku":"1794-IA16","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1794-IA16.jpg?v=1777541243","url":"https:\/\/www.globalpetroparts.com\/products\/1794-ia16-allen-bradley-flex-i-o-16-point-ac-digital-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}