{"product_id":"allen-bradley-1756-if8-controllogix-analog-input-module","title":"Allen-Bradley 1756-IF8 ControlLogix Analog Input Module","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eanalog input module from\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eRockwell Automation\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eAllen-Bradley is engineered for high-accuracy signal acquisition within the ControlLogix automation platform. Designed for demanding industrial process applications, this module supports both voltage and current analog signals with flexible channel configurations, enabling reliable integration into process control, monitoring, and data acquisition systems.\u003c\/p\u003e\n\u003cp\u003eThe module utilizes sigma-delta conversion technology to improve measurement stability and noise rejection, making it suitable for precision instrumentation and critical process environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEight single-ended analog input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFour differential analog input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTwo high-speed differential input channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with voltage and current analog signals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated real-time channel sampling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in diagnostic and alarming functions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-resolution sigma-delta A\/D conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for ControlLogix chassis architecture\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSoftware-configurable signal ranges and filtering\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e1756-IF8\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e8 Single-Ended \/ 4 Differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-Speed Inputs\u003c\/td\u003e\n\u003ctd\u003e2 Differential Channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Current Range\u003c\/td\u003e\n\u003ctd\u003e0–20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Voltage Ranges\u003c\/td\u003e\n\u003ctd\u003e-10 to +10V, 0–10V, 0–5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Conversion Method\u003c\/td\u003e\n\u003ctd\u003eSigma-Delta\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance (Voltage Mode)\u003c\/td\u003e\n\u003ctd\u003e1 MΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance (Current Mode)\u003c\/td\u003e\n\u003ctd\u003e249 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current @ 5.1V DC\u003c\/td\u003e\n\u003ctd\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current @ 24V DC\u003c\/td\u003e\n\u003ctd\u003e40 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Backplane Power\u003c\/td\u003e\n\u003ctd\u003e1.73 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e1.73 W (Voltage) \/ 2.33 W (Current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Functions\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReal-Time Sampling\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-backplane isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eControlLogix Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.56 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Areas\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1756-IF8\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule is commonly deployed in industrial environments requiring precise analog signal processing and high system reliability, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProcess automation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater and wastewater treatment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil and gas facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical processing plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFactory instrumentation monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturing process control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module supports flexible signal conditioning for multiple sensor types, including transmitters, process instruments, and analog field devices. Differential input capability helps reduce electrical noise in long-distance signal transmission environments, while onboard diagnostics simplify troubleshooting and maintenance.\u003c\/p\u003e\n\u003cp\u003eReal-time channel sampling improves responsiveness in applications requiring fast process feedback and accurate monitoring.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eWhat input signal types are supported by the 1756-IF8?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe module accepts both voltage and current analog signals, including 0–20 mA, 0–5V, 0–10V, and ±10V input ranges.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCan the module operate with differential inputs?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes. The module supports four standard differential channels and two high-speed differential channels for enhanced signal accuracy and faster acquisition.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eIs the 1756-IF8 compatible with all ControlLogix chassis systems?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe module is designed for installation in standard Allen-Bradley ControlLogix chassis platforms.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eDoes the module provide onboard diagnostics?\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eYes. Integrated alarming and diagnostic functions help detect abnormal signal conditions and simplify maintenance procedures.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43392192610394,"sku":"1756-IF8","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-IF82.jpg?v=1779161344","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-if8-controllogix-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}