{"product_id":"yokogawa-aar181-s00-rtd-input-module-centum-vp-buy-online","title":"Yokogawa AAR181-S00 RTD Input Module CENTUM VP | Buy Online","description":"\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e standard 12-channel isolated RTD input module delivers high-accuracy temperature measurements for process control applications. Engineered for the \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eCENTUM VP\u003c\/span\u003e\u003c\/strong\u003e control system, this module conditions and digitizes signals from 3-wire Pt100 sensors. It isolates process signals from core system electronics to maintain high data integrity in noisy industrial environments.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eTechnical Specifications (MECE Categorization)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003e1. Basic Identification\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eCENTUM VP\u003c\/span\u003e\u003c\/strong\u003e \/ \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eCENTUM CS 3000\u003c\/span\u003e\u003c\/strong\u003e I\/O System\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e 12-Channel Isolated RTD Input Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003e2. Electrical \u0026amp; Performance Characteristics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n    \u003cth\u003eParameter\u003c\/th\u003e\n    \u003cth\u003eSpecification Standard\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e12 isolated channels (CH1 to CH12)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eInput Signal Standard\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003ePt100 (3-wire type) matching JIS C1604:1997 and IEC751:1995\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eMeasurement Range\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e-200°C to +850°C (standard Pt100 sensor limits)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e±120 mΩ for RTD input\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e16-bit A\/D conversion\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eLinearity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e±0.05% of full scale\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSensitivity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e0.0385 Ω\/°C nominal (Pt100 standard curve)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eExcitation Current\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1 mA constant current source\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1 Hz filter cut-off (optimized for 1 s data refresh)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eData Update Period\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1 second (all channels processed)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eInput Resistance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e≥ 2 MΩ (Power ON and Power OFF state)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eAllowable Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e±5 V DC maximum\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eAllowable Wire Resistance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e≤ 40 Ω per wire (total signal source + wiring)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eTemperature Drift\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e±120 mΩ per 10°C ambient change\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e450 mA maximum at 5 V DC system bus supply\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003e3. Protection \u0026amp; Environmental Immunity\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWithstanding Voltage:\u003c\/strong\u003e 1500 V AC between input terminals and system ground for 1 minute.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Interference:\u003c\/strong\u003e Optical isolation eliminates ground loops and line-frequency common-mode noise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range:\u003c\/strong\u003e 0°C to 60°C operational ambient limit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage Temperature Range:\u003c\/strong\u003e -20°C to 70°C ambient storage limits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnvironmental Tolerance:\u003c\/strong\u003e G3 harsh environment coating standard for industrial atmospheric resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003e4. Physical \u0026amp; Installation Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Dedicated pressure clamp terminal block for rapid wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhysical Weight:\u003c\/strong\u003e 0.2 kg net weight.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Configuration:\u003c\/strong\u003e Direct mounting into \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e\u003c\/strong\u003e I\/O node units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003e5. Compliance \u0026amp; Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Mark:\u003c\/strong\u003e Complies with EMC Directive directives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCSA\/UL Safety:\u003c\/strong\u003e Certified for industrial control equipment safety standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards Met:\u003c\/strong\u003e JIS C1604:1997 and IEC 751:1995 for platinum resistance thermometers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eDiagnostic \u0026amp; Burn-Out Capabilities\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e module features configurable open-circuit burn-out detection for all 12 channels. Engineers can enable or disable UP\/DOWN direction alerts across channels. The module detects open sensor wires or damaged elements within 60 seconds. Internal diagnostic logic continuously reports channel faults to the \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eCENTUM VP\u003c\/span\u003e\u003c\/strong\u003e system software.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eInstallation \u0026amp; Wiring Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAlways power down the system rack before inserting or removing the \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e unit. Connect 3-wire Pt100 RTDs to the pressure clamp terminal block using equal-length conductors. Keep total wire resistance under 40 Ω per line to preserve measurement accuracy. Route field cables away from high-voltage lines to maintain high signal noise immunity.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eMaintenance \u0026amp; Field Troubleshooting\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module requires no routine manual calibration due to solid-state design. If a channel flags a burn-out alarm, measure field resistance using a calibrated multimeter. Verify that wiring resistance matches across all three legs to prevent measurement offset. Hot-swap procedures require proper engineering station maintenance overrides prior to module physical extraction.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eSystem Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e integrates directly with \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eCENTUM VP\u003c\/span\u003e\u003c\/strong\u003e field control units (FCU). It also supports \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eCENTUM CS 3000\u003c\/span\u003e\u003c\/strong\u003e nodes utilizing matching baseplates. Use standard \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e\u003c\/strong\u003e engineering software tools to configure channel parameters and alarm thresholds.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eTypical Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDistillation column tray temperature tracking in chemical plants.\u003c\/li\u003e\n  \u003cli\u003eBoiler feed-water loop monitoring in power plants.\u003c\/li\u003e\n  \u003cli\u003eReactor vessel temperature profile surveillance in refining operations.\u003c\/li\u003e\n  \u003cli\u003eStorage tank ambient and product thermal monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003ePackage Contents \u0026amp; Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Checklist:\u003c\/strong\u003e 1x Factory Sealed \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e RTD Input Module, 1x Installation Quick Guide.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Terms:\u003c\/strong\u003e Complete 12-month comprehensive warranty covering functional defects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDispatch Timeframe:\u003c\/strong\u003e Fast 24-48 hour order processing and shipping.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipping Carriers:\u003c\/strong\u003e Express worldwide delivery via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOur automation engineering field teams often inspect temperature drop issues in 3-wire RTD loops. In one petrochemical project, a customer reported a 3°C temperature drift on a \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e channel. Our field diagnosis revealed that terminal corrosion added 8 Ω to line A while line B stayed clean. Balancing lead resistances immediately restored the module to its specified ±120 mΩ precision. We recommend checking terminal clamp torque yearly in high-vibration plants.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eSelection \u0026amp; Buyer's Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eVerify your field sensor type before selecting the \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e. This module exclusively accepts 3-wire Pt100 RTDs (JIS\/IEC standard). If your process relies on 2-wire RTDs or thermocouples, consider the \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eAAT145\u003c\/span\u003e\u003c\/strong\u003e or alternative analog modules. For high-density, basic industrial installations, the 12-channel isolated design of the \u003cstrong\u003e\u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e\u003c\/strong\u003e provides optimal cost per channel.\u003c\/p\u003e\n\n\u003ch3 style=\"color:#003366;\"\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does the \u003cspan style=\"color:#0275d8;\"\u003eAAR181-S00\u003c\/span\u003e support 2-wire or 4-wire RTD sensors directly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module is optimized specifically for 3-wire Pt100 RTDs. 2-wire sensors can work by jumpering terminals, but wire resistance compensation will be disabled.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How fast does the module detect a broken wire or open RTD sensor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The integrated diagnostic burn-out detection circuit flags open wires within a maximum time of 60 seconds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What causes temperature measurement errors on single channels during operation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Unbalanced wire resistance across the 3 conductors is the main cause. Ensure all three wire paths stay under 40 Ω total resistance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the 1500 V AC withstanding isolation rating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: It prevents electrical transients and ground loops from damaging the central \u003cstrong\u003e\u003cspan style=\"color:#d9534f;\"\u003eYokogawa\u003c\/span\u003e \u003cspan style=\"color:#0275d8;\"\u003eCENTUM\u003c\/span\u003e\u003c\/strong\u003e system backplane processor components.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What express shipping options are available for urgent plant downtime?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: We offer 24-48 hour dispatch options using FedEx, UPS, and DHL express international services worldwide.\u003c\/p\u003e\n","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45013886763190,"sku":"AAR181-S00","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AAR181-S00_3be42514-9569-4640-a3f9-9e1f48d3966b.jpg?v=1789355235","url":"https:\/\/www.plcsparehub.com\/products\/yokogawa-aar181-s00-rtd-input-module-centum-vp-buy-online","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}