{"product_id":"analog-input-module-aar181-yokogawa","title":"Analog Input Module AAR181 Yokogawa","description":"\u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAR181\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-precision, 16-channel isolated analog input module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa FIO (Field network I\/O) systems\u003c\/strong\u003e. It supports both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003evoltage inputs (-10 to +10 V DC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA current loops\u003c\/strong\u003e, making it a versatile interface for a wide range of field transmitters.\u003c\/p\u003e\n\u003cp\u003eUnlike non-isolated modules, the AAR181 provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003efull channel-to-channel and channel-to-system isolation\u003c\/strong\u003e, protecting the control system from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eelectrical noise, ground loops, or faults in one field circuit\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eEngineered for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh reliability and safety\u003c\/strong\u003e, the module is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eintrinsically safe (IS) compliant\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand supports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edual-redundant configurations\u003c\/strong\u003e, making it ideal for mission-critical applications where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edowntime is unacceptable\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h2\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e16 channels, fully isolated (channel-to-channel \u0026amp; channel-to-system)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Ranges\u003c\/td\u003e\n\u003ctd\u003e-10 V to +10 V DC or 4–20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003eCurrent: 250 Ω internal; Voltage: ≥ 200 Ω external load (depending on IOM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eSupports dual-redundant configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Power Consumption\u003c\/td\u003e\n\u003ctd\u003e730 mA (single configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Standards\u003c\/td\u003e\n\u003ctd\u003eIntrinsic Safety (IS) compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAAR181\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely deployed in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehigh-integrity process control\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenvironments, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eChemical reactors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOffshore oil and gas platforms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGas processing and petrochemical plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esuperior isolation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emakes it ideal for field signals from\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eelectrically noisy areas\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eor\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edistributed sensors with different grounding potentials\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are empty slots required during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEach channel features high-power isolation circuitry that generates additional heat. Empty slots provide\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eairflow and thermal dissipation\u003c\/strong\u003e, ensuring\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ehardware reliability and long-term performance\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix voltage and current inputs on the same module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eYes. The hardware can handle both types, but\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eproper wiring and DCS configuration\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare required to ensure each channel is correctly mapped to its respective sensor type.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51707142144312,"sku":"AAR181","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/AAR181-S50_S2.jpg?v=1770256781","url":"https:\/\/www.automodulexpert.com\/tr\/products\/analog-input-module-aar181-yokogawa","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}