{"product_id":"rtd-pot-input-module-aar145-s03-yokogawa-analog-input-modules","title":"RTD\/POT Input Module  AAR145-S03 Yokogawa | Analog Input Modules","description":"\u003ch2\u003eYokogawa AAR145-S03 RTD\/POT Input Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for RTD and potentiometer signal acquisition in CENTUM and related Yokogawa DCS architectures, the \u003cstrong\u003eYokogawa AAR145-S03\u003c\/strong\u003e (\u003cstrong\u003eAAR145\u003c\/strong\u003e RTD\/POT Input Module) provides direct electrical interface processing across isolated multi-channel input assemblies. The module supports 16 RTD\/POT input channels with channel isolation and dual-redundant configuration capability for distributed process instrumentation loops.\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\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\u003eAAR145-S03\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\/POT Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003eRTD, Potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTD Standard Compatibility\u003c\/td\u003e\n\u003ctd\u003eJIS C1604:1997, IEC751\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e16 isolated channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy Support\u003c\/td\u003e\n\u003ctd\u003eDual-redundant configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel electrical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.3 cm x 10.7 cm x 13 cm\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\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 % to 95 % RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003eDCS rack\/backplane installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Functions\u003c\/td\u003e\n\u003ctd\u003eReal-time monitoring and fault detection\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-to-Channel Isolation Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe AAR145-S03 input architecture implements electrical isolation between individual acquisition channels to reduce common-mode interference propagation inside multi-point RTD and potentiometer measurement loops. Isolation separation assists in maintaining measurement stability during mixed-field wiring conditions involving grounded thermowells, shielded sensor cables, and distributed cabinet grounding structures.\u003c\/p\u003e\n\u003cp\u003eThe module supports direct resistance signal processing according to IEC751 and JIS C1604:1997 RTD characteristics. Input conversion handling is executed internally through dedicated analog acquisition circuitry associated with each channel group.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the AAR145-S03 support redundant installation configurations?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module supports dual-redundant configuration arrangements within compatible Yokogawa control system architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are all 16 input channels electrically isolated from each other?\u003c\/strong\u003e\u003cbr\u003eA: The module specification identifies isolated channel construction intended to reduce electrical interference between connected RTD and potentiometer circuits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module directly accept potentiometer input devices without external signal converters?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The module is designed for direct RTD and POT signal input handling without requiring separate external analog conversion hardware.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse shielded twisted-pair instrumentation cable for RTD and potentiometer wiring routes.\u003c\/li\u003e\n\u003cli\u003eMaintain physical separation between low-level analog signal wiring and AC power conductors inside control cabinets.\u003c\/li\u003e\n\u003cli\u003eTerminate cable shielding at a single grounding reference point to reduce ground loop current circulation.\u003c\/li\u003e\n\u003cli\u003eVerify RTD lead continuity and insulation resistance before field termination to the module terminal assembly.\u003c\/li\u003e\n\u003cli\u003eAvoid parallel routing with variable frequency drive output cables or high-current switching conductors.\u003c\/li\u003e\n\u003cli\u003eConfirm ambient cabinet temperature remains within the specified -20 degC to +60 degC operating range.\u003c\/li\u003e\n\u003cli\u003eDuring redundant installation, confirm slot addressing and backplane assignment consistency before energizing the rack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44146059313240,"sku":"AAR145-S03","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AAR145-S03.jpg?v=1779844649","url":"https:\/\/www.industriaxplc.com\/products\/rtd-pot-input-module-aar145-s03-yokogawa-analog-input-modules","provider":"IndustriaX Limited","version":"1.0","type":"link"}