{"product_id":"1794-ib16d-allen-bradley-flex-i-o-module-new-original-stock","title":"1794-IB16D Allen-Bradley Flex I\/O Module | New \u0026 Original Stock","description":"\u003ch2\u003eAllen-Bradley 1794-IB16D Flex I\/O Digital Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for monitoring 16 DC input signals with built-in diagnostics for wiring and signal integrity in FLEX I\/O platforms, the \u003cstrong\u003eAllen-Bradley 1794-IB16D\u003c\/strong\u003e (\u003cstrong\u003e1794-IB16D\u003c\/strong\u003e Flex I\/O Digital Input Module w\/ Diagnostics) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e1794-IB16D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.25 lbs (0.11 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003eStandard 1794 series module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0 deg C to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003eFlexbus Current: 30 mA @ 5 V DC; Power Requirements: 24 V DC, 250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eInput Channels\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e16 sinking current inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eOn-state Voltage\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e24 V DC nominal (10-31.2 V DC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eOn-state Current\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e1.5 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eNominal Input Impedance\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e3.1 kohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eSensor Power Current\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e50 mA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eSensor Power Voltage Drop\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e2.2 V DC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"15\"\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd data-row=\"15\"\u003e50 V continuous (between field side and system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"16\"\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd data-row=\"16\"\u003e8.5 W @ 31.2 V DC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"17\"\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd data-row=\"17\"\u003e29 BTU\/hr @ 31.2 V DC maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"18\"\u003eDiagnostic Capability\u003c\/td\u003e\n\u003ctd data-row=\"18\"\u003eDetects open-wire, short-circuit, and input status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"19\"\u003eRequired Terminal Base\u003c\/td\u003e\n\u003ctd data-row=\"19\"\u003e1794-TB3, 1794-TB3S, or compatible 1794 terminal bases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1794-IB16D\u003c\/strong\u003e processes discrete field states that populate communication packets designated for higher-level adapters operating over Profinet \/ EtherNet\/IP deterministic networks. The 16 sinking channels utilize a 3.1 kohm internal impedance profile to bound incoming signal currents while maintaining strict logic threshold separation. When expanding a distributed bus assembly, the module maps its internal diagnostics directly into the controller image. This dense sensor-power distribution structure imposes a maximum 50 mA power circuit drop, requiring calculated current management across the local rail to maintain target I\/O density scaling without altering backplane communication velocities.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific field faults can the integrated diagnostic circuitry identify on the 1794-IB16D?\u003c\/p\u003e\n\u003cp\u003eA: The onboard diagnostics track real-time electrical boundaries to detect open-wire conditions and short-circuit faults across the field wiring loops. These statuses are converted into specific bit flags and transferred over the backplane bus for immediate fault isolation.\u003c\/p\u003e\n\u003cp\u003eQ: Can this digital input module be inserted or extracted under power during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Removal and Insertion Under Power (RIUP) is supported only if the terminal base assembly is fully anchored and the surrounding atmosphere is known to be non-hazardous. Breaking connections under field-side load when an explosive environment is present can cause electrical arcing, which violates intrinsic safety parameters.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Base Engagement:\u003c\/strong\u003e Align the module keys with the corresponding slots on the pre-installed 1794 terminal base (e.g., 1794-TB3). Press downward firmly until the side-latching mechanisms lock the module housing onto the backplane connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSinking Configuration Wiring:\u003c\/strong\u003e Connect the field device outputs to the designated input terminals on the terminal base. Ensure the common return line of the external power supply is wired to the positive terminal reference to complete the input sinking current loop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Continuity and Grounding:\u003c\/strong\u003e Terminate instrument cable shields to a dedicated, unpainted earth ground bus bar within the enclosure panel. Do not loop ground conductors across adjacent terminal bases to avoid generating parallel ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation Rules:\u003c\/strong\u003e Maintain clear spatial routing separation inside the wire ducts by separating low-voltage 24 V DC diagnostic input lines from high-voltage AC motor starter cables to prevent inductive noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43415921590362,"sku":"1794-IB16D","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/170_b8c2b409-1247-4464-a21c-ab3e4443c6e0.jpg?v=1779762857","url":"https:\/\/www.spareoil.com\/products\/1794-ib16d-allen-bradley-flex-i-o-module-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}