{"product_id":"allen-bradley-1794-ic16-48v-dc-16-channel-digital-input-hardware","title":"Allen-Bradley 1794-IC16 48V DC 16 Channel Digital Input Hardware","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eAllen-Bradley 1794-IC16\u003c\/strong\u003e is a Flex I\/O digital input module featuring 16 nonisolated sinking input channels operating at a nominal 48V DC. Designed by Rockwell Automation, this compact DIN-rail or screw-mounted module expands distributed PLC I\/O capacity, providing high noise immunity and flexible signal filtering for demanding industrial control applications.\u003c\/p\u003e\n\n\u003ch2\u003eCore Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16 High-Density Sinking Inputs:\u003c\/strong\u003e Accepts up to 16 48V DC sinking inputs to monitor field sensors, switches, and discrete devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Filter Times:\u003c\/strong\u003e Input filter response times can be configured in software to adapt to noisy process signals and contact bounce.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVisual Status Diagnostics:\u003c\/strong\u003e Equipped with 16 individual logic-driven yellow LEDs for clear channel-level input status identification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Isolation Protection:\u003c\/strong\u003e Designed to withstand up to 1900V DC isolation testing to safeguard Flexbus backplane communication lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 6px;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"border: 1px solid #dddddd; text-align: left; padding: 6px;\"\u003eData\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003ePart Number \/ Catalog No.\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e1794-IC16 (Flex I\/O Series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eInput Type \u0026amp; Quantity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e16 Nonisolated Sinking Inputs (Nominal 48V DC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eOn-state Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e30V DC min. to 60V DC max.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eOff-state Voltage \u0026amp; Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e10V DC max. \/ 1.5 mA min.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eOn-state Current Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e2.0 mA @ 30V DC min. to 7.0 mA @ 60V DC max.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eNominal Input Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e11 kΩ\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eFlexbus Current \u0026amp; Power\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e25 mA @ 5V DC \/ Power Dissipation 6.4W max. (22 BTU\/hr)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eCompatible Terminal Base Units\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK (Keyswitch Position 2)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e\u003cstrong\u003eDimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #dddddd; padding: 6px;\"\u003e46 x 94 x 53 mm (1.8 x 3.7 x 2.1 in) \/ Approx. 0.23 kg (0.50 lbs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eEngineering \u0026amp; Installation Guide\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKeyswitch Alignment:\u003c\/strong\u003e Rotate the terminal base keyswitch to Position 2 before inserting the 1794-IC16 module to ensure proper electrical matching.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal Base Wiring:\u003c\/strong\u003e Wire input signal lines to designated numbered terminals on compatible bases like the 1794-TB3S or 1794-TB3SK, matching individual sensor channels accurately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Protection:\u003c\/strong\u003e Install surge suppression on field power supply lines to prevent voltage spikes from damaging input circuit resistors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure Mounting:\u003c\/strong\u003e Mount the unit inside an IP54\/NEMA-rated protective enclosure using 35mm DIN rail or panel screws to guard open-style electronics from dust and humidity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What input voltage levels define the On-state and Off-state for the 1794-IC16?\u003c\/strong\u003e\u003cbr\u003e\nA1: An On-state signal requires 30V to 60V DC (min 2.0 mA), while an Off-state is recognized at 10V DC max.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: Which terminal base units can be used with this module?\u003c\/strong\u003e\u003cbr\u003e\nA2: It mounts on 1794-TB3, 1794-TB3S, 1794-TB3K, and 1794-TB3SK terminal bases using keyswitch position 2.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: Is the 1794-IC16 module a sinking or sourcing input module?\u003c\/strong\u003e\u003cbr\u003e\nA3: It features 16 sinking inputs, meaning field devices switch the positive (+V DC) side of the voltage source to the input terminals.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52645861654660,"sku":"1794-IC16","price":194.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/7454\/7844\/files\/1794-IC16.jpg?v=1786879970","url":"https:\/\/www.etowonauto.com\/fr\/products\/allen-bradley-1794-ic16-48v-dc-16-channel-digital-input-hardware","provider":"Etowon Auto","version":"1.0","type":"link"}