{"product_id":"nfai143-h50-a4s00-yokogawa-centum-vp-current-input-module","title":"NFAI143-H50\/A4S00 Yokogawa CENTUM VP Current Input Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eNFAI143-H50\/A4S00\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density analog input module designed for the Yokogawa CENTUM VP Distributed Control System. It provides 16 fully isolated input channels, ensuring superior noise immunity and signal integrity in demanding industrial environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for flexibility, the module supports both 2-wire (loop-powered) and 4-wire (externally powered) transmitters, making it suitable for standard 4–20 mA process instrumentation across multiple sectors.\u003c\/p\u003e\n\u003cp\u003eA key feature of the NFAI143-H50\/A4S00 is its integrated HART pass-through capability. This enables transparent access to secondary variables and device diagnostics from smart field instruments without interrupting the primary analog signal. To enhance system reliability, each channel incorporates dedicated overcurrent protection, preventing field wiring faults from affecting the overall control system.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 (channel-to-channel and channel-to-system isolation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Range\u003c\/td\u003e\n\u003ctd\u003e4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Compatibility\u003c\/td\u003e\n\u003ctd\u003e2-wire (loop-powered) and 4-wire devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHART Support\u003c\/td\u003e\n\u003ctd\u003eHART pass-through for FDT\/DTM integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale (standard conditions)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ω (internal precision resistor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption (5 V)\u003c\/td\u003e\n\u003ctd\u003e230 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption (24 V)\u003c\/td\u003e\n\u003ctd\u003e540 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e 0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe NFAI143-H50\/A4S00 is widely deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOil \u0026amp; gas refineries\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\u003eGas treatment and compression facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge-scale utility and energy systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly suited for high-density installations requiring monitoring of multiple pressure, temperature, and flow transmitters while minimizing cabinet footprint.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the NFAI143-H50\/A4S00 supply power to a 2-wire transmitter?\u003c\/strong\u003e\u003cbr\u003eYes. The module provides an internal 24 V DC supply for loop-powered 2-wire transmitters, eliminating the need for external power distribution modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the “\/A4S00” suffix affect the module?\u003c\/strong\u003e\u003cbr\u003eThe \/A4S00 suffix defines the hardware revision and connector\/interface type (typically pressure-clamp or KS cable configuration), ensuring compatibility with specific baseplate and terminal board arrangements.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51849260597560,"sku":"NFAI143-H50\/A4S00","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/NFAI143-H50A4S00.jpg?v=1772502776","url":"https:\/\/www.automodulexpert.com\/products\/nfai143-h50-a4s00-yokogawa-centum-vp-current-input-module","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}