{"product_id":"nfa1143-h50-yokogawa-analog-input-module-new-original-stock","title":"NFA1143-H50 Yokogawa Analog Input Module | New \u0026 Original Stock","description":"\u003cp\u003eConfigured for high-precision process signal acquisition in distributed control system platforms, the \u003cstrong\u003eYokogawa NFA1143-H50\u003c\/strong\u003e (\u003cstrong\u003eNFA1143-H50\u003c\/strong\u003e) Analog Input Module provides direct physical electrical execution for 16-channel 4-20 mA current loop monitoring.\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\u003eNFA1143-H50\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 (Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\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\u003eUpdate Cycle\u003c\/td\u003e\n\u003ctd\u003e10 milliseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSignal Isolation and Data Integrity\u003c\/h3\u003e\n\u003cp\u003eThe NFA1143-H50 architecture is built for demanding industrial environments where signal integrity is paramount. By providing galvanic electrical isolation between the field input channels and the system bus (withstanding 1500 V AC), the module effectively eliminates ground loops and protects the controller from field-side voltage transients. The 10 ms update cycle facilitates high-speed control loop response, ensuring that process variables are captured with the temporal resolution necessary for stable regulation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the built-in overcurrent protection function during a field fault?\u003c\/p\u003e\n\u003cp\u003eA: The module includes integrated protection circuitry that detects current levels exceeding the 24 mA threshold, limiting the current to prevent damage to the shunt resistors and the internal analog-to-digital converter (ADC) components.\u003c\/p\u003e\n\u003cp\u003eQ: Is the temperature drift critical for this module in non-climate-controlled cabinets?\u003c\/p\u003e\n\u003cp\u003eA: With a temperature drift coefficient of ±0.01% per °C, the module is highly stable; however, for processes requiring extreme precision in environments with high thermal fluctuations, it is recommended to maintain cabinet temperatures as close to the reference calibration point as possible.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the module is firmly seated on the backplane, engaging the locking tabs to maintain a solid physical connection for the 24 V DC power and data paths.\u003c\/li\u003e\n\u003cli\u003eUtilize shielded, twisted-pair cabling for all input channels to maximize immunity against electromagnetic interference (EMI) originating from nearby power cables or high-frequency drives.\u003c\/li\u003e\n\u003cli\u003eVerify that the power supply rails (24.0–25.5 V DC) are within specification at the terminal block; voltage fluctuations can affect the excitation current available for the connected field transmitters.\u003c\/li\u003e\n\u003cli\u003eRegularly inspect the input terminals to ensure they are free of debris or oxidation, which could add contact resistance and introduce measurement errors in 4-20 mA current loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49203425313020,"sku":"NFAI143-H50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/NFAI143-H501.jpg?v=1781575122","url":"https:\/\/www.electronicplc.com\/ar\/products\/nfa1143-h50-yokogawa-analog-input-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}