{"product_id":"aar181-s00-analog-input-modules-yokogawa-rtd-input-module","title":"AAR181-S00 Analog Input Modules | Yokogawa RTD Input Module","description":"\u003ch2\u003eYokogawa AAR181-S00 RTD Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for RTD signal acquisition in CENTUM and related DCS architectures, the \u003cstrong\u003eYokogawa AAR181-S00\u003c\/strong\u003e (\u003cstrong\u003eAAR181\u003c\/strong\u003e RTD Input Module) provides direct physical and electrical execution for 16 isolated temperature input channels with resistance-based sensing conversion.\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\u003eCode Segment\u003c\/th\u003e\n\u003cth\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eAAR181\u003c\/td\u003e\n\u003ctd\u003eAnalog RTD input module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e-S\u003c\/td\u003e\n\u003ctd\u003eStandard type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eFixed option code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003ctd\u003eBasic type\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\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eAAR181-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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRTD Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eRTD analog input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e-200 degC to 800 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-0.2 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Resistance\u003c\/td\u003e\n\u003ctd\u003e2 Mohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Isolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel isolated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus, PROFIBUS DP\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Process Signal Handling\u003c\/h3\u003e\n\u003cp\u003eThe module implements channel-to-channel isolation for RTD acquisition circuits to reduce ground loop propagation between independent temperature sensing points. Isolation boundaries are maintained between field input sections and internal processing circuitry during resistance-to-temperature conversion.\u003c\/p\u003e\n\u003cp\u003eThe AAR181-S00 supports integration with distributed process control communication layers through Modbus and PROFIBUS DP interfacing paths. RTD signal processing is executed per isolated channel, allowing simultaneous monitoring of multiple resistance temperature detectors without shared analog return dependency.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AAR181-S00 support direct RTD wiring without external signal converters?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module is designed for direct RTD input acquisition and internal temperature conversion processing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are all 16 RTD channels electrically isolated from each other?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The provided specifications identify the module as a 16-channel isolated RTD input module with channel isolation architecture.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What installation practice is recommended for RTD signal cable routing?\u003c\/strong\u003e\u003cbr\u003eA: RTD input cables should be separated from high-voltage and variable-frequency drive wiring. Shield grounding should be terminated according to the control cabinet grounding scheme to minimize induced noise on low-level resistance signals.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the module only after confirming backplane slot compatibility with the target Yokogawa control rack.\u003c\/li\u003e\n\u003cli\u003eUse twisted-pair shielded RTD extension cable for field sensor termination.\u003c\/li\u003e\n\u003cli\u003eAvoid parallel routing with motor feeder cables, relay coils, or switching power conductors.\u003c\/li\u003e\n\u003cli\u003eVerify terminal torque according to cabinet assembly procedures before energization.\u003c\/li\u003e\n\u003cli\u003eConfirm RTD element type consistency across all configured channels before system commissioning.\u003c\/li\u003e\n\u003cli\u003eMaintain clean cabinet airflow conditions to prevent localized thermal accumulation around densely populated I\/O sections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44146089001048,"sku":"AAR181-S00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AAR181-S00-3.jpg?v=1779845151","url":"https:\/\/www.industriaxplc.com\/products\/aar181-s00-analog-input-modules-yokogawa-rtd-input-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}