{"product_id":"1794-ic16-allen-bradley-16-point-digital-input-module","title":"1794-IC16 Allen-Bradley 16-Point Digital Input Module","description":"\u003ch3\u003e\u003cstrong\u003eAllen-Bradley 1794-IC16 Engineering Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e1794-IC16\u003c\/strong\u003e\u003c\/span\u003e manufactured by \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e is a robust 16-point \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003edigital input module\u003c\/strong\u003e\u003c\/span\u003e engineered within the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eFlex I\/O\u003c\/strong\u003e\u003c\/span\u003e product family. Designed to handle 48V DC sinking input signals, this compact unit features non-isolated channels capable of operating across 30V to 60V DC voltage spans while delivering high dielectric isolation and flexible terminal base mounting compatibility.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications \u0026amp; Operating Parameters\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer \u0026amp; Brand\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eRockwell Automation\u003c\/strong\u003e\u003c\/span\u003e \/ \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel \u0026amp; Series\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e1794-IC16\u003c\/strong\u003e\u003c\/span\u003e \/ \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003eFlex I\/O Series\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e16-Channel Non-Isolated Sinking Digital Input Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOn-State Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e30V DC minimum to 60V DC maximum (48V DC nominal)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOn-State Current Span\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\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\u003e\u003cstrong\u003eOff-State Limits\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e10V DC maximum off-state voltage; 1.5 mA minimum off-state current\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNominal Input Impedance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e11 kΩ input impedance\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower \u0026amp; Thermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e6.4W @ 60V DC max. power dissipation (22 BTU\/hour heat rejection)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTerminal Base Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCompatible with 1794-TB3S, 1794-TB3SK, and standard Flex I\/O bases\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment \u0026amp; Industrial Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy industrial material handling conveyor interlocking control systems.\u003c\/li\u003e\n  \u003cli\u003ePower utility switchgear status monitoring and breaker position feedback.\u003c\/li\u003e\n  \u003cli\u003eWastewater treatment facility high-voltage relay and sensor state acquisition.\u003c\/li\u003e\n  \u003cli\u003ePetrochemical plant auxiliary panel discrete signal data gathering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAdvanced Diagnostic \u0026amp; Isolation Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Dielectric Isolation:\u003c\/strong\u003e Withstands up to 1900V DC isolation voltage, protecting internal backplane circuitry from severe electrical transients.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Input Filters:\u003c\/strong\u003e Allows adjustable input filter time settings to suppress electrical noise in harsh industrial environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLogic-Driven Status LEDs:\u003c\/strong\u003e Features 16 distinct front-panel indicators for real-time channel state visualization and rapid troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCommercial Terms \u0026amp; Global Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition \u0026amp; Assurance:\u003c\/strong\u003e 100% factory original hardware backed by a comprehensive \u003cstrong\u003e12-month warranty\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrder Fulfillment:\u003c\/strong\u003e Rapid processing and dispatch within \u003cstrong\u003e24 to 48 hours\u003c\/strong\u003e of order confirmation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpress Freight Carriers:\u003c\/strong\u003e Expedited worldwide delivery supported via \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIn high-voltage discrete automation installations, digital input modules frequently encounter voltage spikes and persistent ground noise that can trigger false state changes or damage unisolated channels. Our engineering evaluation indicates that deploying the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e1794-IC16\u003c\/strong\u003e\u003c\/span\u003e with its 1900V DC isolation rating and adjustable input filter times effectively suppresses transient interference. During a recent retrofit at an automated steel stamping facility, replacing legacy cards with this Flex I\/O sinking input module eliminated erratic PLC bit toggling caused by nearby heavy motor switching.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eEngineering Selection \u0026amp; Purchasing Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Terminal Base Sizing:\u003c\/strong\u003e Ensure your panel uses compatible terminal blocks like the 1794-TB3S or 1794-TB3SK to match your 48V DC field wiring requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck Sinking Logic:\u003c\/strong\u003e Confirm that your field sensors and switches are wired for sinking input configurations rather than sourcing logic.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurge Protection Advice:\u003c\/strong\u003e Install external surge suppressors on long field cable runs to protect module inputs against severe power imbalances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ1: What nominal field voltage is the 1794-IC16 digital input module specifically designed to monitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: The module is primarily engineered for 48V DC sinking input signals, with an operating on-state voltage range spanning from 30V to 60V DC.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ2: How does the module handle high-voltage electrical isolation between field wiring and the backplane?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: It provides robust isolation capable of withstanding up to 1900V DC, preventing high-voltage transients from propagating into the Flex I\/O communication rack.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ3: Can technicians adjust the input response time to filter out electrical noise?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Yes, the input filter time can be configured via programming software to match specific process requirements and eliminate spurious noise spikes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ4: What terminal base options are recommended for physical installation and wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Spring-clamp terminal bases such as the 1794-TB3S and 1794-TB3SK are commonly configured to secure field wiring efficiently.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ5: What shipping carriers and turnaround times apply to urgent replacement orders?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: We dispatch all in-stock modules within 24 to 48 hours utilizing priority international carriers including FedEx, UPS, and DHL to minimize downtime.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013908127926,"sku":"1794-IC16","price":152.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1794-IC16_cb3b087d-1c13-46d2-840d-5ee64c355dd0.jpg?v=1793168591","url":"https:\/\/www.plcsparehub.com\/products\/1794-ic16-allen-bradley-16-point-digital-input-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}