{"product_id":"allen-bradley-1756-if16ih-controllogix-16-channel-isolated-analog-input-hart-module","title":"Allen-Bradley 1756-IF16IH ControlLogix 16-Channel Isolated Analog Input HART Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Allen-Bradley\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003estands as a high-performance solution for process automation, specifically designed for the ControlLogix platform. This module provides 16 high-density analog input channels, each featuring individual channel-to-channel isolation to prevent ground loops and signal interference in complex industrial grids. Its primary strength lies in the integrated HART (Highway Addressable Remote Transducer) protocol support, which allows the controller to capture not only primary process variables but also secondary instrument diagnostics and device configuration data.\u003c\/p\u003e\n\u003cp\u003eIn mission-critical applications such as chemical processing, power generation, and wastewater treatment, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eacts as a sophisticated data gateway. By leveraging isolated hardware architecture, the module ensures that high-voltage transients on one field loop do not jeopardize the integrity of the remaining channels or the central controller. This level of precision and protection makes it an ideal choice for monitoring sensitive pressure, temperature, and flow transmitters where data accuracy directly impacts plant safety and operational efficiency.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eCore Technical Advantages\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eleverages a robust hardware architecture that prioritizes signal integrity and advanced device management.\u003c\/p\u003e\n\u003ch3\u003eIntegrated HART Communication\u003c\/h3\u003e\n\u003cp\u003eThis module eliminates the need for external HART multiplexers. It allows the ControlLogix processor to communicate directly with smart field devices, enabling real-time asset management and remote calibration via software. This functionality reduces commissioning time and allows for predictive maintenance by monitoring valve travel or transmitter health remotely.\u003c\/p\u003e\n\u003ch3\u003eChannel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eUnlike standard differential inputs, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides 100% galvanic isolation between channels. This design choice effectively blocks noise and circulating currents in large-scale facilities where field devices may be powered from different sources or grounded at varying potentials.\u003c\/p\u003e\n\u003ch3\u003eHigh-Density Efficiency\u003c\/h3\u003e\n\u003cp\u003eThe 16-point capacity enables high I\/O density within a single chassis slot. This reduces the overall footprint of the control system and lowers the total cost per point, all while maintaining the high-speed backplane throughput characteristic of the 1756 series.\u003c\/p\u003e\n\u003chr\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\u003eSpecification Details\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\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 Point Isolated Analog\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHART (Versions 5, 6, and 7 supported)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5.1V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e225 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (24V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.3 Watts\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\u003e24 bits\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\u003e250V (continuous), basic insulation type\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to 60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.43 kg (0.94 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (Standard)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e14.5 cm x 3.5 cm x 13.0 cm (Approx.)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShock \/ Vibration\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30 g Shock \/ 2 g @ 10-500 Hz Vibration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003cp\u003eSuccessful deployment of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires attention to chassis placement and wiring standards to maximize the benefits of isolation.\u003c\/p\u003e\n\u003ch3\u003eChassis Mounting\u003c\/h3\u003e\n\u003cp\u003eThe module installs into any available slot in a 1756 ControlLogix chassis. Ensure the module is fully seated and the top and bottom tabs are locked. For high-vibration environments, always utilize a chassis with reinforced mounting points to maintain backplane connection integrity.\u003c\/p\u003e\n\u003ch3\u003eRemovable Terminal Block (RTB)\u003c\/h3\u003e\n\u003cp\u003eThis module requires a 36-pin Removable Terminal Block (such as the 1756-TBCH or 1756-TBS6H). Wire the analog loops using shielded twisted-pair cabling. To maintain the effectiveness of the channel isolation, terminate the cable shields at a single point, typically the grounding bar at the bottom of the enclosure, rather than at the module itself.\u003c\/p\u003e\n\u003ch3\u003eHART Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eAvoid adding high-impedance devices in series with the HART loop, as this can degrade communication. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efeatures internal resistors that satisfy the HART minimum loop resistance requirements in most standard configurations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF16IH\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in extreme industrial conditions where electronic reliability is non-negotiable. Its wide environmental rating and high shock resistance allow it to function reliably near heavy rotating machinery or in areas with significant ambient noise. Furthermore, the module supports \"Removal and Insertion Under Power\" (RIUP), allowing for maintenance without shutting down the entire control chassis. When integrated with Rockwell Software’s FactoryTalk AssetCentre, the module provides a seamless link for managing the lifecycle of your smart instruments, ensuring your system remains compliant with modern E-E-A-T industrial standards.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eDelivery and Logistics\u003c\/h2\u003e\n\u003cp\u003eWe maintain strategic stock levels of ControlLogix I\/O modules to prevent facility downtime.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3-5 days when payment finish.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShipping Carriers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFast global dispatch via DHL, FEDEX, or UPS.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePackaging:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eShipped in original Allen-Bradley factory-sealed anti-static boxes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical FAQs\u003c\/h2\u003e\n\u003cp\u003eQ1: Does the 1756-IF16IH provide power to the field transmitters?\u003c\/p\u003e\n\u003cp\u003eA1: The module can be wired in both sourcing and sinking configurations. In a sourcing setup, the 24V DC backplane power can be used to energize the loop, but verify total current draw against the module’s 200 mA limit.\u003c\/p\u003e\n\u003cp\u003eQ2: Can I mix HART and non-HART devices on the same module?\u003c\/p\u003e\n\u003cp\u003eA2: Yes. The module independently processes analog signals on all 16 channels. You can use any channel for standard 4-20mA signals without utilizing the HART data capabilities.\u003c\/p\u003e\n\u003cp\u003eQ3: What is the benefit of the \"IH\" suffix?\u003c\/p\u003e\n\u003cp\u003eA3: The \"I\" stands for Isolated, and the \"H\" stands for HART. This distinguishes it from the standard 1756-IF16 which lacks both channel-to-channel isolation and HART communication.\u003c\/p\u003e\n\u003cp\u003eQ4: Is a special electronic keying required in Studio 5000?\u003c\/p\u003e\n\u003cp\u003eA4: We recommend using \"Exact Match\" or \"Compatible Module\" keying within the Studio 5000 I\/O configuration to ensure that only the correct isolated HART hardware is recognized by the controller.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45913915556013,"sku":"1756-IF16IH","price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-IF16IH_1.jpg?v=1776330142","url":"https:\/\/www.maxwellplc.com\/products\/allen-bradley-1756-if16ih-controllogix-16-channel-isolated-analog-input-hart-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}