{"product_id":"yokogawa-aar181-s50-tc-rtd-input-100-original-japan","title":"Yokogawa AAR181-S50 TC\/RTD Input | 100% Original Japan","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa AAR181-S50\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Style S2) functions as a high-density, 16-channel isolated temperature input module for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eProSafe-RS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control Systems. This module captures precise low-level signals from Resistance Temperature Detectors (RTDs) and Thermocouples (TC), converting them into high-fidelity digital data. As a critical component of the Field I\/O (FIO) family, the AAR181-S50 provides the robust isolation required to protect the control processor from field-side electrical interference in refineries, power plants, and chemical processing facilities.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New, Factory Sealed Original.\u003c\/p\u003e\n\u003ch3\u003ePart Number Breakdown: AAR181 Series\u003c\/h3\u003e\n\u003cp\u003eYokogawa's suffix logic defines the specific hardware revision and environmental coating options for the AAR181 series.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAAR181\u003c\/strong\u003e: Base Series (RTD\/TC Input Module, 16-channel).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e-S\u003c\/strong\u003e: Standard type for general industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5\u003c\/strong\u003e: High-resolution\/enhanced configuration revision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e0\u003c\/strong\u003e: Basic type hardware configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStyle S2\u003c\/strong\u003e: Current hardware revision with optimized internal circuitry for heat dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe AAR181-S50 utilizes a 16-bit A\/D converter to ensure sub-degree accuracy across a wide thermal range.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\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\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 (Full Channel-to-Channel Isolation)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRTD (Pt100, JPt100) and Thermocouples\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eA\/D Resolution\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16-bit High Precision\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e±0.1% of Full Scale (Typical)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eData Update Period\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 ms\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation Strength\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2300 V AC (between field and system)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e130 × 107.5 × 32.8 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to +50°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eJapan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eElimination of Ground Loops:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe AAR181-S50 features total channel-to-channel and channel-to-system isolation. This hardware barrier prevents electrical noise or ground potential differences from contaminating neighboring signals, which is vital for accurate monitoring in high-voltage environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Density Thermal Mapping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy packing 16 isolated channels into a single 32.8 mm slot, this module maximizes rack density. Engineers can monitor an entire reactor's temperature profile using a fraction of the cabinet space required by traditional hardware.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSmart Burnout Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated diagnostic engine continuously monitors the integrity of the field wiring. If a sensor fails or a cable breaks, the module immediately flags a burnout condition to the Human Interface Station (HIS), preventing the control loop from acting on erroneous data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless DCS Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned specifically for Yokogawa's FIO backplane, the AAR181-S50 supports \"hot-swapping\" and redundant configurations. This allows technicians to replace modules or expand the system without interrupting live process control.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I mix RTD and Thermocouple sensors on the same AAR181-S50 module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. You can configure each of the 16 channels independently via the system builder software. This flexibility allows one module to handle a combination of RTD and TC inputs, reducing the spare parts inventory required on-site.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary benefit of the Style S2 revision?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Style S2 indicates a hardware update that improves internal component efficiency and thermal management. It remains fully backward compatible with all S1 backplanes and existing software configurations while offering enhanced long-term reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the AAR181-S50 handle lead-wire resistance in RTDs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes a 3-wire or 4-wire measurement technique to automatically compensate for lead-wire resistance. This ensures that the distance between the field sensor and the control cabinet does not degrade the accuracy of the temperature reading.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module support ProSafe-RS safety applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. Yokogawa certifies the AAR181-S50 for use in both CENTUM VP control and ProSafe-RS safety systems, supporting Safety Integrity Level (SIL) requirements when configured within the appropriate safety loop architecture.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43155435749466,"sku":"AAR181-S50","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/166._60ba6078-5c51-4f3c-a726-5e25221d2673.jpg?v=1774924835","url":"https:\/\/www.spareoil.com\/products\/yokogawa-aar181-s50-tc-rtd-input-100-original-japan","provider":"SpareOil Automation","version":"1.0","type":"link"}