{"product_id":"analog-input-module-yokogawa-nfai143-h50-a4as0","title":"Analog Input Module Yokogawa NFAI143-H50\/A4AS0","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NFAI143-H50\/A4AS0 is a high-density analog input interface engineered for the Yokogawa Centum VP and ProSafe-RS control architectures. This module serves as the primary bridge between field-level sensory hardware and the distributed control system (DCS) logic, processing standard current loops with high accuracy. Each of the 16 channels is designed with individual electrical isolation to prevent ground loops and protect the system bus from field-side electrical surges, ensuring long-term operational stability in harsh processing environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Hardware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNFAI143-H50\/A4AS0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA DC (Standard current loop)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e250 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConversion Accuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.1% of span\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Coefficient\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±0.01% per degree Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Current Input\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSystem Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompatible with FIO (Field network I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.2 W (within the system nest)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e155.9 mm (H) x 32.8 mm (W) x 130 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.30 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOperational Logic and Reliability\u003c\/h3\u003e\n\u003cp\u003eThe NFAI143-H50\/A4AS0 utilizes advanced digital filtering to mitigate high-frequency noise interference common in heavy industrial facilities. This specific \"H50\" variant indicates enhanced capability for standard signal processing, while the \"A4AS0\" suffix denotes the specific style of the pressure-clamp terminal or connector interface. It is commonly utilized for monitoring temperature transmitters, pressure transducers, and flow meters where precise signal feedback is mission-critical.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the NFAI143-H50\/A4AS0 support HART communication?\u003c\/h4\u003e\n\u003cp\u003eA: This specific base model focuses on 4-20 mA DC analog signals. If HART pass-through or digital diagnostics are required, specialized HART-enabled versions of the NFAI143 series should be selected.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this module be installed in a redundant configuration?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, when used in a dual-redundant I\/O node unit, the NFAI143-H50\/A4AS0 supports hot-swappable redundancy to ensure zero downtime during maintenance or module failure.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51843805774136,"sku":"NFAI143-H50\/A4AS0","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/NFAI143-H50A4AS01.jpg?v=1772243925","url":"https:\/\/www.automodulexpert.com\/products\/analog-input-module-yokogawa-nfai143-h50-a4as0","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}