{"product_id":"analog-input-module-nfai141-s50-yokogawa","title":"Analog Input Module | NFAI141-S50 | Yokogawa","description":"\u003ch2\u003eYokogawa NFAI141-S50 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for multi-channel analog signal acquisition in CENTUM VP and CENTUM CS 3000 I\/O architectures, the \u003cstrong\u003eYokogawa NFAI141-S50\u003c\/strong\u003e (\u003cstrong\u003eNFAI141\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution of 4-20 mA, 1-5 V, and -10 to 10 V signal conversion into digital process data streams.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNFAI141\u003c\/strong\u003e: 16-channel analog input module architecture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-S50\u003c\/strong\u003e: Standard configuration variant (system-specific suffix definition dependent on CENTUM revision)\u003c\/li\u003e\n\u003c\/ul\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 NFAI141-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\u003eApprox. 0.34 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified in source data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e3 W (nominal module load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated analog inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 1-5 V, -10 to 10 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eA\/D Resolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Cycle\u003c\/td\u003e\n\u003ctd\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolation present\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eChannel-to-Channel Isolation \u0026amp; DCS Signal Segregation Behavior\u003c\/h2\u003e\n\u003cp\u003eThe NFAI141-S50 implements channel-separated electrical isolation architecture within the Yokogawa DCS I\/O framework. Each analog input channel is independently conditioned to reduce inter-channel coupling during simultaneous sampling of mixed signal types such as 4-20 mA current loops and voltage-based instrumentation inputs. This isolation structure supports stable digitization under mixed-load field wiring conditions, preventing cross-channel measurement distortion during high-density acquisition cycles in CENTUM node configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module support hot-swap replacement in live I\/O racks?\u003c\/strong\u003e\u003cbr\u003eA: Hot-swap capability is dependent on system rack configuration. The module itself is designed for backplane-integrated insertion but requires system-level support for live replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum allowable input signal stress level per channel?\u003c\/strong\u003e\u003cbr\u003eA: Each channel supports up to approximately 24 mA input current under 4-20 mA mode. Voltage input limits follow module configuration ranges specified for 1-5 V and -10 to 10 V modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are all channels galvanically isolated?\u003c\/strong\u003e\u003cbr\u003eA: The module provides channel-to-channel isolation to reduce measurement interference across parallel analog inputs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eField installation of the NFAI141-S50 requires strict adherence to shield grounding and signal segregation rules typical of DCS analog I\/O systems. Twisted-pair cabling should be maintained for all 4-20 mA loops with shield termination performed at a single-point ground reference to avoid ground loop formation. Voltage input wiring must be separated from power conductors to minimize electromagnetic coupling. Backplane insertion force must be applied evenly to avoid connector pin stress. Terminal tightening should follow Yokogawa-approved torque specifications for spring clamp or screw terminal variants depending on rack design.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44214201581656,"sku":"NFAI141-S50","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/NFAI141-S50.jpg?v=1781057992","url":"https:\/\/www.industriaxplc.com\/products\/analog-input-module-nfai141-s50-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}