{"product_id":"allen-bradley-1794-ic16-high-voltage-digital-sinking-input-module","title":"Allen-Bradley 1794-IC16 FLEX I\/O 48V DC Sinking Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1794-IC16 is a high-density, 16-channel digital DC input module engineered for the FLEX I\/O 1794 platform. This module is specifically designed to interface with 48 VDC control logic, making it an ideal solution for distributed monitoring in environments where higher voltage loops are required to mitigate line drop over long cable runs. By utilizing a sinking input architecture, the 1794-IC16 provides reliable signal monitoring for heavy industrial applications, including power substations, railway signaling, and large-scale mining operations.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16-Channel Sinking Input:\u003c\/strong\u003e Provides 16 non-isolated sinking input channels for high-voltage DC control loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates within a 30 to 60 VDC range, ensuring compatibility with standard 48 VDC industrial control signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Isolation:\u003c\/strong\u003e Features a dielectric isolation rating of 1900 VDC to protect backplane logic from field-side electrical transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable Filtering:\u003c\/strong\u003e Supports programmable input filter times to effectively suppress contact bounce and manage signal noise in electrically noisy environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Monitoring:\u003c\/strong\u003e Integrated yellow LED indicators for each channel provide immediate visual confirmation of input logic states.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1794-IC16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 (Non-isolated, Sinking)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-State Voltage Range\u003c\/td\u003e\n\u003ctd\u003e30.0 to 60.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-State Voltage\u003c\/td\u003e\n\u003ctd\u003e10.0 VDC (Max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e11 kOhms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e25 mA at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e6.4 W at 60 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1900 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN Rail or Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Down:\u003c\/strong\u003e Always disconnect power from the FLEX I\/O backplane before installing or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKeyswitch Alignment:\u003c\/strong\u003e Ensure the module keyswitch is set to position 2 to match the corresponding terminal base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Base Compatibility:\u003c\/strong\u003e Use only with compatible 1794 terminal bases such as the 1794-TB3S or 1794-TB3SK.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Ensure the DIN rail is properly grounded to provide a common reference and minimize EMI susceptibility.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded cables for long runs to prevent signal interference and ensure proper termination at the terminal base.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1794-IC16?\u003c\/h3\u003e\u003cp\u003eThe 1794-IC16 is a 48 VDC digital input module used to monitor high-voltage field signals and convert them into logic levels for the FLEX I\/O system, primarily used to reduce signal loss over long distances.\u003c\/p\u003e\u003ch3\u003eIs this module isolated?\u003c\/h3\u003e\u003cp\u003eThe 16 channels are non-isolated from each other, but the module features a high dielectric isolation barrier (1900 VDC) between the field-side inputs and the internal backplane logic.\u003c\/p\u003e\u003ch3\u003eWhat terminal bases are compatible with this module?\u003c\/h3\u003e\u003cp\u003eThis module is designed to mount onto standard 1794 FLEX I\/O terminal bases, including the 1794-TB3S and 1794-TB3SK series.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":51006445977852,"sku":"1794-IC16","price":87.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_de4342fc-26fa-43f1-a5e9-26ac37752337.jpg?v=1787507404","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1794-ic16-high-voltage-digital-sinking-input-module","provider":"Electronic PLC","version":"1.0","type":"link"}