{"product_id":"1794-if8ihnfxt-allen-bradley-flex-i-o-8-channel-isolated-analog-input-module","title":"1794-IF8IHNFXT | Allen Bradley | Flex I\/O 8-Channel Isolated Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen Bradley 1794-IF8IHNFXT\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovides high-density, isolated analog signal processing for the FLEX™ I\/O platform. This 8-channel module captures precise current signals (0–20mA) from field transmitters and sensors, utilizing\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSigma-Delta conversion\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto ensure superior data accuracy. As an \"XT\" (Extended Temperature) and \"HN\" (HART-capable) designated module, it thrives in harsh industrial environments while allowing for advanced instrument diagnostics. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, specifically designed for process control applications requiring high channel-to-channel isolation and ruggedized performance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IF8IHNFXT delivers advanced signal conditioning via the following technical parameters:\u003c\/p\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\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\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen Bradley (Rockwell Automation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8 Single-ended Isolated Inputs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Current Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 20 milliamperes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConversion Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSigma Delta\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\u003eRAW\/Proportional, Engineering Units, Percent of Full Scale\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC (19.2 to 31.2V DC Range)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFlexbus Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e80 mA @ 5V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e249 ohms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMax Power Dissipation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.8 Watts @ 31.2V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStatus Indicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Red\/Green LED indicator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEnclosure Style\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen-style (IP20 when mounted)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1794-IF8IHNFXT addresses critical challenges in modern process automation:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-performance isolation circuitry prevents ground loops and eliminates noise transfer between channels. This feature protects your central controller from field-side transients and ensures that a fault on one instrument does not compromise the data integrity of the other seven channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced HART Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe \"HN\" designation supports HART (Highway Addressable Remote Transducer) protocol communication. This allows the control system to access secondary process variables and device diagnostics from \"smart\" field instruments without requiring additional handheld communicators or specialized wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSuperior XT Thermal Profile:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEngineered for \"Extreme\" conditions, the XT-series components withstand a broader temperature spectrum than standard I\/O. This makes the 1794-IF8IHNFXT ideal for remote terminal units (RTUs) or outdoor cabinets where internal temperatures fluctuate significantly.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Data Scaling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module performs internal scaling into engineering units or percentage of full scale. This offloads calculation tasks from the PLC processor, simplifying logic programming and providing a more intuitive interface for operators monitoring raw sensor data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNoise Immunity with Sigma-Delta Conversion:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe Sigma-Delta conversion technique oversamples the input signal, effectively filtering out high-frequency industrial noise. When paired with shielded copper wire, the module provides a rock-solid signal path even in high-EMI environments near variable frequency drives (VFDs).\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\u003eDoes the 1794-IF8IHNFXT support HART pass-through?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. When used with a compatible HART-capable adapter (such as the 1794-AENTR), this module allows Asset Management Software (AMS) to communicate directly with field instruments for remote calibration and health monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this module for 4–20mA signals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAbsolutely. While the technical range is 0–20mA, you simply configure the software scaling to recognize 4mA as your 0% point and 20mA as your 100% point.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of wiring does this module require?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTo maintain the specified accuracy and noise rejection, always use shielded copper wire. Ensure the shield is grounded at only one end to prevent ground loops that could interfere with the Sigma-Delta conversion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine, factory-sealed Allen Bradley unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee every 1794-IF8IHNFXT is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. It ships in the original factory box with authentic UPC (885630333571) and manufacturer-applied quality control seals intact.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52793316933941,"sku":"1794-IF8IHNFXT","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1794-IF8IHNFXT.png?v=1777362184","url":"https:\/\/www.5gplc.com\/products\/1794-if8ihnfxt-allen-bradley-flex-i-o-8-channel-isolated-analog-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}