{"product_id":"allen-bradley-1756-if16h-controllogix-hart-enabled-analog-input-module","title":"Allen-Bradley 1756-IF16H ControlLogix HART-Enabled Analog Input Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IF16H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, HART-enabled analog input interface for the ControlLogix platform. It bridges the gap between field instrumentation and the controller by supporting 16 differential channels, each equipped with its own dedicated HART modem. This architecture allows the module to capture high-resolution process variables (0-20mA or 4-20mA) while simultaneously performing advanced asset management through the HART protocol. We supply this module in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure maximum lifecycle stability for your industrial control architecture.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Differential Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 to 21 Bits (User Configurable)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHART Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDedicated HART modem per channel\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0...20 mA \/ 4...20 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSuccessive Approximation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Formats\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIEEE 32-bit Floating Point; Integer Mode\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50V Continuous\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.02 W (Total)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRTB Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1756-TBCH or 1756-TBS6H\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndependent HART Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUnlike multiplexed solutions, the 1756-IF16H assigns a dedicated HART modem to every channel. This enables simultaneous communication with all 16 field devices, significantly reducing scan times and accelerating device configuration and diagnostics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Signal Integrity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module utilizes a successive approximation conversion method to deliver up to 21-bit resolution. This precision eliminates quantization errors in sensitive process loops, such as chemical dosing or custody transfer applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Common-Mode Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 16 differential inputs suppress electrical noise and ground loop interference common in large-scale plant environments. This ensures the controller receives accurate data even when field wiring traverses high-interference zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Capability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module supports Removal and Insertion Under Power (RIUP). Engineers can replace or upgrade the hardware without shutting down the entire ControlLogix chassis, minimizing downtime during maintenance cycles.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDynamic Range Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8V DC overvoltage protection safeguards the internal circuitry against accidental wiring errors or field device surges, preventing cascading failures across the I\/O backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 1756-IF16H support standard 4-20mA devices without HART?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module functions as a standard high-density analog input card for non-HART devices. You can enable or disable the HART features on a per-channel basis within the Studio 5000 environment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich Removable Terminal Block (RTB) should I use for wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module requires either the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBCH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(36-pin cage clamp) or the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-TBS6H\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(36-pin spring clamp). Note that the RTB is not included with the module and must be ordered separately.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the HART scan time affect performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith all 16 channels HART-enabled, the estimated HART scan time remains approximately 1 second. However, the standard analog signal conversion remains independent and significantly faster (11–328 ms), ensuring your real-time control loops remain responsive.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this unit a refurbished or surplus item?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. We guarantee that this 1756-IF16H is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand arrives in its original manufacturer packaging with an intact factory seal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53110763782328,"sku":"1756-IF16H","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756SC-IF8H_3a4bb28b-32ea-4c63-b6c9-0c520df4ed42.jpg?v=1774603050","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-if16h-controllogix-hart-enabled-analog-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}