{"product_id":"24vdc-16-input-module-allen-bradley-1794-ib16-flex-i-o-system","title":"24VDC 16 Input Module | Allen-Bradley 1794-IB16 Flex I\/O System","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #003366;\"\u003eAllen-Bradley 1794-IB16\u003c\/strong\u003e is a high-density digital DC input module from the \u003cstrong\u003eFlex I\/O system family\u003c\/strong\u003e manufactured by Rockwell Automation. Equipped with \u003cstrong\u003e16 current sinking inputs\u003c\/strong\u003e operating at a nominal 24 VDC control voltage, this module converts field sensor signals into digital state data across the backplane. It draws a low FlexBus backplane current of 30 mA at 5 VDC and features a lightweight form factor weighing approximately \u003cstrong\u003e0.091 kg (0.20 lbs)\u003c\/strong\u003e. Designed to snap directly onto 1794 terminal base units, the 1794-IB16 delivers reliable signal acquisition across distributed industrial PLC architectures.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" style=\"width: 100%; border-collapse: collapse; margin-bottom: 20px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #003366; color: white;\"\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eProduct Part Number\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003e1794-IB16\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eManufacturer \/ Product Line\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eAllen-Bradley \/ Flex I\/O\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eNumber of Inputs\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e16 Sinking Inputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eON-State Voltage Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e19.2 to 31.2 VDC (24 VDC Nominal)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eON-State Current Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e2.0 mA Min \/ 8.0 mA Nom \/ 12.0 mA Max\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOFF-State Limits\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e5.0 VDC Max \/ 1.5 mA Max\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eNominal Input Impedance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e4.6 kΩ\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eFlexBus Current Consumption\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e30 mA @ 5 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003ePower \u0026amp; Thermal Dissipation\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e6.1 W Max \/ 20.8 BTU\/hr @ 31.2 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eOperating Temperature Range\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e0°C to 55°C (32°F to 131°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f0f9ff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eVibration Resistance\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e5g @ 10 to 500 Hz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003eUnit Net Weight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #003366; padding: 8px;\"\u003e\u003cstrong\u003eApproximately 0.091 kg (0.20 lbs)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Hardware \u0026amp; Operational Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16-Point Sinking Input Density:\u003c\/strong\u003e Accommodates 16 sourcing input devices (such as PNP field sensors, pushbuttons, and limit switches) in a single modular terminal footprint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow FlexBus Power Draw:\u003c\/strong\u003e Consumes only 30 mA at 5 VDC from the FlexBus backplane, optimizing power available for adjacent I\/O modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Vibration \u0026amp; Shock Tolerance:\u003c\/strong\u003e Engineered to withstand up to 5g vibration levels from 10 to 500 Hz, making it suitable for mounting on active machinery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModular Base Keying:\u003c\/strong\u003e Installs into compatible 1794 terminal base units (such as 1794-TB3 or 1794-TB3S) with mechanical keying to prevent incorrect module insertion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation \u0026amp; Field Wiring Guidelines\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. Terminal Base Mounting:\u003c\/strong\u003e Align the 1794-IB16 module keyway with the matching position on the 1794 terminal base unit, press firmly until latched onto the DIN rail assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e2. Field Signal Wiring:\u003c\/strong\u003e Connect sourcing input field devices to the corresponding input channel terminals (0 to 15). Connect the external 24 VDC common and power supply connections to the terminal base power strip.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e3. System Grounding \u0026amp; Thermal Clearance:\u003c\/strong\u003e Verify protective conductor grounding through the DIN rail mount and maintain standard vertical enclosure spacing to dissipate up to 20.8 BTU\/hr heat loading.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions (FAQs)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: Is the Allen-Bradley 1794-IB16 a sinking or sourcing input module?\u003c\/strong\u003e\u003cbr\u003e\nA1: The 1794-IB16 contains current sinking inputs, meaning it connects to sourcing (PNP) field devices and sensor outputs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: What is the operating voltage range for the 1794-IB16 input channels?\u003c\/strong\u003e\u003cbr\u003e\nA2: The module operates at a nominal voltage of 24 VDC, with an ON-state voltage range of 19.2 to 31.2 VDC and a maximum OFF-state voltage of 5.0 VDC.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: How much backplane current does the 1794-IB16 draw from the FlexBus?\u003c\/strong\u003e\u003cbr\u003e\nA3: The 1794-IB16 draws a maximum of 30 mA at 5 VDC from the FlexBus backplane.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51047662256260,"sku":"1794-IB16","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1794-IB16-2.jpg?v=1786878029","url":"https:\/\/www.etowonauto.com\/nl\/products\/24vdc-16-input-module-allen-bradley-1794-ib16-flex-i-o-system","provider":"Etowon Auto","version":"1.0","type":"link"}