{"product_id":"yokogawa-nfai141-s00-centum-vp-analog-input-modules","title":"Yokogawa NFAI141-S00 CENTUM VP Analog Input Modules","description":"\u003ch2\u003eYOKOGAWA NFAI141-S00 Analog Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-precision field signal conditioning in CENTUM VP platforms, the \u003cstrong\u003eYOKOGAWA NFAI141-S00\u003c\/strong\u003e (\u003cstrong\u003eNFAI141\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution. The module captures loop current variables across 16 channels, converting 4-20 mA inputs into digitized process values for safety instrumented functions and real-time control algorithms. Integrated filtering circuits process analog inputs at update intervals below 100 ms, transmitting structured data frames over the internal backplane bus to the host Node Interface Unit (NIU).\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Component\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTechnical Assignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNFAI141\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e16-Channel Analog Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuffix\u003c\/td\u003e\n\u003ctd\u003eStandard Type hardware architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuffix\u003c\/td\u003e\n\u003ctd\u003eAlways 0 (Basic Specification)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuffix\u003c\/td\u003e\n\u003ctd\u003eAlways 0 (Basic Option)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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-S00\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\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 x 107.5 x 32.8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e~1.5 W (300 mA at 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated analog input channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC current input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of full scale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e250 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Conversion Cycle\u003c\/td\u003e\n\u003ctd\u003eLess than or equal to 100 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP, ProSafe-RS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Bus Power\u003c\/td\u003e\n\u003ctd\u003e5 VDC supplied via Node Interface Unit backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Barrier\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and system galvanic isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003eISA G3 conformal coating compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Instrumentation and Loop Isolation\u003c\/h3\u003e\n\u003cp\u003eThe module utilizes independent hardware isolation barriers across every channel to eliminate ground loops and prevent high-voltage electrical surges from entering the main backplane logic. The signal interface processes raw 4-20 mA current loops across a precision 250 Ω internal load resistor, maintaining linear transfer functions for process loops integrated with the 4-20 mA HART loop protocol. Active cold junction compensation (CJC) algorithms and galvanic isolation filters continuously suppress high-frequency noise and common-mode voltage shifts.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the NFAI141-S00 module accept direct 0-10 VDC or thermocouple millivolt inputs without external conversion?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal signal conditioning circuitry is optimized strictly for 4-20 mA DC current signals across fixed 250 Ω input load resistors. Voltage, RTD, or thermocouple signals require dedicated signal converters or alternative input module hardware.\u003c\/p\u003e\n\u003cp\u003eQ: How does channel-to-channel isolation protect the main DCS backplane during field wiring faults?\u003c\/p\u003e\n\u003cp\u003eA: Internal optical and transformer isolation barriers isolate each individual input channel up to rated safety limits. If a high-voltage transient or short circuit hits a field transmitter loop, the isolation barrier confines the damage to that specific channel terminal without disrupting adjacent input channels or burning the 5 VDC backplane bus.\u003c\/p\u003e\n\u003cp\u003eQ: What operational considerations apply when hot-swapping the NFAI141-S00 inside a live ProSafe-RS node?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is fully supported on compatible terminal base units. Maintenance technicians can extract and replace the module without powering down the Node Interface Unit (NIU) or interrupting signals on adjacent I\/O modules, provided the replacement card shares the exact hardware suffix and firmware revision.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Card Alignment:\u003c\/strong\u003e Align the module side guides with the target slot on the field terminal assembly base. Slide the module straight inward until the backplane multi-pin connector latches into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Ground Terminal Connections:\u003c\/strong\u003e Terminate all field cable braided shields onto the designated instrument grounding bar (IGB). Keep shield drain wires as short as possible and isolate instrument earth from general power grounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConduit and Signal Separation:\u003c\/strong\u003e Route 4-20 mA analog input cables inside dedicated low-voltage instrument ducts. Maintain a minimum spatial gap of 300 mm from 230 VAC\/480 VAC power lines and variable frequency drive motor leads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabinet Environment Monitoring:\u003c\/strong\u003e Maintain cabinet internal ambient temperatures between -20 and +60 deg C. Verify that airflow through the chassis ventilation slots remains unobstructed to prevent internal module overheating.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43698783715418,"sku":"NFAI141-H00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/662.jpg?v=1784688824","url":"https:\/\/www.spareoil.com\/products\/yokogawa-nfai141-s00-centum-vp-analog-input-modules","provider":"SpareOil Automation","version":"1.0","type":"link"}