{"product_id":"allen-bradley-1756-if8hk-controllogix-hart-8-channel-differential-analog-input-module","title":"Allen-Bradley 1756-IF8HK ControlLogix HART 8-Channel Differential Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-IF8HK\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density, high-resolution analog input module for the ControlLogix platform. It features 8 differential channels and supports the Highway Addressable Remote Transducer (HART) protocol. This module enables the simultaneous acquisition of standard 4-20mA analog signals alongside secondary digital process variables and device diagnostics from HART-enabled field instruments. We provide this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, ensuring maximum signal precision and full integration with your plant-floor asset management strategy.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModule Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHART Analog Input Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNumber of Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 Differential Inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16 to 21 Bits (Programmable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (5.1V DC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e300 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (24V DC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e70 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Power Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3.21 Watts to 4.01 Watts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e13.7 BTU per hour\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnclosure Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eOpen-style\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHART Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated HART pass-through and asset management\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.81 lbs (0.37 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1756-IF8HK optimizes process control and device maintenance through advanced signal processing and digital communication:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 8 differential input architecture significantly reduces common-mode noise. This ensures high signal integrity in electrically noisy industrial environments where long cable runs pass near high-power equipment or variable frequency drives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Device Analytics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing the HART protocol, the module retrieves detailed secondary information such as device status, manufacturing data, and diagnostic alerts. This eliminates the need for manual field checks and enables predictive maintenance by identifying instrument drift before it causes process downtime.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProgrammable High Resolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module offers a wide resolution range from 16 to 21 bits. This allows engineers to tune the module for high-speed response or maximum precision depending on the specific requirements of the process loop.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReduced Hardware Complexity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated HART functionality removes the requirement for external HART multiplexers or separate hand-held communicators. This streamlines the control cabinet layout and simplifies the overall system architecture.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1756-IF8HK with standard non-HART 4-20mA devices?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module operates as a standard high-resolution analog input for any 4-20mA device. It only activates the HART digital communication features when it detects a compatible field instrument.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific Removable Terminal Block (RTB)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. You typically use the 1756-TBCH or 1756-TBSH 36-pin terminal blocks with this module. Always verify your wiring requirements to ensure a secure and electrically sound connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a Brand New original product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this 1756-IF8HK is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand original. Utilizing new modules ensures that the internal analog-to-digital converters maintain their factory-calibrated accuracy for precise process measurement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 1756-IF8HK handle power dissipation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module manages heat efficiently, dissipating a maximum of 4.01 Watts. For dense chassis configurations, ensure proper spacing and airflow to maintain the operating temperature within specified limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53376681410744,"sku":"1756-IF8HK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756SC-IF8H_9fa095a8-cb48-4f37-91ba-4d16d808fcd6.jpg?v=1776758931","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-if8hk-controllogix-hart-8-channel-differential-analog-input-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}