{"product_id":"yokogawa-nfai141-s01-stardom-fcn-fcj-analog-input-module","title":"Yokogawa NFAI141-S01 STARDOM FCN FCJ Analog Input Module","description":"\u003ch2\u003eYokogawa NFAI141-S01 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-density 4-20 mA signal acquisition in STARDOM FCN\/FCJ autonomous controllers, the \u003cstrong\u003eYokogawa NFAI141-S01\u003c\/strong\u003e (\u003cstrong\u003eNFAI141\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution across process monitoring networks.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eNFAI141-S01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\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\u003e0.20 kg (0.44 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e25 x 127 x 127 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.2 W (22.8 to 26.4 VDC supply voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 non-isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types Supported\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC or 1-5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohm (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Input Current\u003c\/td\u003e\n\u003ctd\u003e27 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\u003eData Refresh Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Step Response Time\u003c\/td\u003e\n\u003ctd\u003e100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Drift\u003c\/td\u003e\n\u003ctd\u003eMax +\/- 0.01% \/ deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Type\u003c\/td\u003e\n\u003ctd\u003ePressure clamp terminal block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Process Control and HART Communication Features\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa NFAI141-S01 module supports up to 16 non-isolated analog input channels, acquiring 4-20 mA current loop and 1-5 VDC signals directly from field transmitters. Integrated HART protocol pass-through capability allows digital configuration data and secondary process variables to transfer across analog loops to the STARDOM controller backplane.\u003c\/p\u003e\n\u003cp\u003eTo preserve measurement integrity, the module maintains a 10 ms data refresh cycle and a high accuracy rating of +\/- 0.1% of full scale. Channel-to-channel non-isolated architecture minimizes module width and backplane current draw, while selectable 2-wire or 4-wire transmitter power loops provide 22.8 to 26.4 VDC with integrated overcurrent protection capped at 27 mA.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can Zener barriers connect directly to the NFAI141-S01 for intrinsically safe field loops?\u003c\/p\u003e\n\u003cp\u003eA: No. Because the NFAI141-S01 is a non-isolated module, intrinsically safe applications require galvanic isolation barriers rather than Zener barriers to prevent ground fault currents.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle 2-wire vs 4-wire transmitter supply configurations?\u003c\/p\u003e\n\u003cp\u003eA: Engineers configure each channel individually between 2-wire and 4-wire mode using internal setting pins on the module hardware prior to installation.\u003c\/p\u003e\n\u003cp\u003eQ: What happens if an overcurrent condition occurs on a transmitter loop?\u003c\/p\u003e\n\u003cp\u003eA: Internal overcurrent protection limits the field loop current to a maximum of 27 mA, protecting internal sensing resistors from overvoltage damage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Clamp Terminal Wiring:\u003c\/strong\u003e Technicians must strip signal leads to 6 mm and secure them into the pressure clamp terminal block using a calibrated screwdriver, ensuring proper wire retention without shearing copper strands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding Protocols:\u003c\/strong\u003e Installers must terminate overall cable shields to the functional earth (FE) bus bar at the control cabinet entry point to prevent high-frequency electromagnetic noise from degrading non-isolated analog signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Ventilation Space:\u003c\/strong\u003e Maintain a minimum clearance of 50 mm above and below the module rack assembly to support natural convective airflow inside the panel enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Seating and Retaining Screws:\u003c\/strong\u003e Before powering up the STARDOM base unit, field engineers must verify that the module is fully seated into the backplane connector and tighten the top and bottom retaining screws.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43913977102426,"sku":"NFAI141-S01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/87._cd583202-e49c-4167-bfd7-82dc3d705e9f.jpg?v=1787726008","url":"https:\/\/www.spareoil.com\/products\/yokogawa-nfai141-s01-stardom-fcn-fcj-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}