{"product_id":"nfar181-s50-yokogawa-stardom-rtd-input-module","title":"NFAR181-S50 | Yokogawa STARDOM RTD Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa NFAR181-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-precision RTD (Resistance Temperature Detector) input module for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSTARDOM\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eautonomous controller series. It interfaces directly with Pt100 sensors in a 3-wire configuration to provide accurate temperature monitoring across a vast thermal spectrum. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your process control system benefits from factory-certified calibration and high-integrity electrical isolation.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe NFAR181 series utilizes Yokogawa's modular suffix system to define hardware revision and compatibility:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCode Segment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDefinition\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNFAR181\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBase Model: 12-Channel Isolated RTD Input Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e-S\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Type for industrial process monitoring\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e5\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHardware Revision: Optimized for FCN\/FCJ controller backplanes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e0\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic Option: Standard configuration without specialized coating\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe NFAR181-S50 delivers superior measurement performance for critical temperature loops:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 electrically isolated channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSensor Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePt100 (3-wire configuration)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-200°C to 800°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Accuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e±0.15°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUpdate Rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 second data refresh cycle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWithstanding Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1500 V AC for 1 minute (Input to System)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1 mA (RTD excitation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTemperature Drift:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMax. 30 ppm\/°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.2 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Connection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePressure clamp terminal or MIL connector cable\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe NFAR181-S50 addresses specialized thermal monitoring challenges through refined electrical design:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Thermal Tracking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module achieves an accuracy of ±0.15°C, making it suitable for sensitive chemical reactions and cryogenic storage where minute temperature deviations compromise product quality.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Signal Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1500 V AC isolation protects the controller logic from field-side electrical surges. This architecture prevents ground loops and localized interference from affecting the accuracy of adjacent channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Burn-out Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConfigurable burn-out detection identifies sensor failures or broken lead wires within 60 seconds. This proactive diagnostic feature prevents the control system from acting on erroneous data during a hardware fault.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLead Wire Compensation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 3-wire configuration automatically compensates for lead wire resistance. This ensures high-accuracy readings even when sensors sit at a significant distance from the control cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Input Impedance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintaining 2 MΩ resistance regardless of power status ensures the module does not load the signal source, preserving measurement linearity throughout the entire temperature range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the NFAR181-S50 support 2-wire or 4-wire Pt100 sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module specifically utilizes a 3-wire configuration to optimize lead wire compensation. While you can wire a 2-wire sensor by shorting the appropriate terminals, we recommend 3-wire sensors to maintain the rated ±0.15°C accuracy.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the module indicate a sensor failure?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module employs a configurable burn-out detection function. Upon detecting an open circuit (burn-out), the system triggers a diagnostic alarm within 60 seconds, allowing the controller to enter a pre-defined fail-safe mode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this module replace older STARDOM RTD modules?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The \"S50\" suffix represents the current hardware revision. It typically maintains backward compatibility with STARDOM FCN\/FCJ controllers, but you should verify your existing software and baseplate version to ensure seamless integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the unit shipped with a factory calibration certificate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We provide every NFAR181-S50 in its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal Yokogawa packaging. The factory seals ensure the module retains its original calibration and passes all manufacturer quality-control benchmarks.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52551672955189,"sku":"NFAR181-S50","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/NFPW442-501_6dc917d6-8f85-487a-9bf9-f5208797aee3.jpg?v=1775731955","url":"https:\/\/www.5gplc.com\/products\/nfar181-s50-yokogawa-stardom-rtd-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}