{"product_id":"analog-input-module-nfai143-s50-yokogawa","title":"Analog Input Module | NFAI143-S50 | Yokogawa","description":"\u003ch2\u003eYokogawa NFAI143-S50 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa NFAI143-S50\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eNFAI143\u003c\/strong\u003e Analog Input Module, operates as a dedicated hardware component for processing 4-20 mA field signals within STARDOM FCN\/FCJ controller platforms. It converts and isolates multiple analog loops to ensure precise data acquisition and uninterrupted electrical signal integrity.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa NFAI143-S50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e32 mm × 130 mm × 107 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e230 mA (5 V DC), 540 mA (24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputChannels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputSignalRange\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowableInputCurrent\u003c\/td\u003e\n\u003ctd\u003e24 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDataRefreshCycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputStepResponse\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminalConnection\u003c\/td\u003e\n\u003ctd\u003ePressure Clamp or MIL Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control Features\u003c\/h3\u003e\n\u003cp\u003eThe NFAI143-S50 integrates \u003cstrong\u003echannel-to-channel isolation\u003c\/strong\u003e, eliminating ground loops and minimizing cross-talk. Automatic \u003cstrong\u003ecold junction compensation (CJC)\u003c\/strong\u003e is implemented to maintain temperature-independent signal accuracy. Each channel supports \u003cstrong\u003eHART protocol pass-through\u003c\/strong\u003e, allowing diagnostics and calibration of smart transmitters without interrupting the analog loop. The module also provides \u003cstrong\u003e24 V DC loop power\u003c\/strong\u003e for 2-wire or 4-wire field instruments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: VnA: Can the NFAI143-S50 be hot-swapped during operation?\u003cbr\u003eA: Yes, it supports hot-swap replacement without affecting other modules on the STARDOM backplane.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: What is the channel isolation voltage rating?\u003cbr\u003eA: Each input channel is isolated from the backplane and other channels up to 1500 V AC for 1 minute.\u003c\/p\u003e\n\u003cp\u003eQ: VnA: Can this module supply loop power to transmitters?\u003cbr\u003eA: Yes, each channel can provide 24 V DC with a current limit of 25 mA.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the module on a standard DIN rail with firm mechanical support.\u003c\/li\u003e\n\u003cli\u003eEnsure all field wiring shields are properly grounded at a single point to avoid noise coupling.\u003c\/li\u003e\n\u003cli\u003eMaintain separation between high-current and analog signal wires to prevent interference.\u003c\/li\u003e\n\u003cli\u003eConfirm loop power polarity before energizing the module.\u003c\/li\u003e\n\u003cli\u003eRoute analog signal wires away from switching devices and heavy-duty motors to prevent induced voltage spikes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44163790471256,"sku":"NFAI143-S50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/NFAI143-S50-2.jpg?v=1780303586","url":"https:\/\/www.industriaxplc.com\/products\/analog-input-module-nfai143-s50-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}