{"product_id":"aam21-yokogawa-input-module","title":"AAM21 | Yokogawa | Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eYokogawa AAM21\u003c\/strong\u003e functions as an Input Module designed for thermocouple signal acquisition, supporting multiple IEC and JIS standard sensor types with software‑defined input ranges.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e AAM21\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Yokogawa\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Japan\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Not specified\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e Not specified\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp:\u003c\/strong\u003e Not specified\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e ≤150 mA at 5.0 V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal:\u003c\/strong\u003e JIS\/IEC thermocouple types K, T, J, E, B, R, S, N\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInput Range:\u003c\/strong\u003e -50 to 150 mV\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAllowable Input Voltage:\u003c\/strong\u003e -0.5 to 4.0 V DC (between terminals B-C)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInput Resistance:\u003c\/strong\u003e 1 MΩ at power‑up (3 kΩ at power‑down)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±20 µV\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eData Update Period:\u003c\/strong\u003e 100 ms\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSignal Source Resistance:\u003c\/strong\u003e ≤1000 Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRJC Input:\u003c\/strong\u003e -10 to 70 deg C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eRJC Accuracy:\u003c\/strong\u003e ±1 deg C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAuxiliary Voltage Output:\u003c\/strong\u003e 1 to 5 V DC; ≤1 Ω output resistance; ≥10 kΩ load resistance; range 0.5 to 5.5 V DC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eBurnout Detection:\u003c\/strong\u003e Selectable UP\/DOWN\/OFF; detection time ≤60 s; detection current 0.1 µA (terminal B only)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSignal Isolation:\u003c\/strong\u003e Input signals insulated between systems; withstand voltage 1500 V AC\/min\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEffect of Signal Source Resistance:\u003c\/strong\u003e 1 kΩ → conversion error ≤±20 µV\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eEffect of Ambient Change:\u003c\/strong\u003e 10 deg C → mV input ±40 µV; thermocouple input ±40 µV; RTS input ±0.16 Ω; potentiometer input ±0.4 % span; auxiliary output ±24 mV\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e AMN11 Nest for Analog I\/O Modules\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eWiring:\u003c\/strong\u003e M4 screw terminal connection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Specification:\u003c\/strong\u003e Defined via software setting\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCold Junction Compensation (CJC)\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eThe AAM21 incorporates \u003cstrong\u003ecold junction compensation (CJC)\u003c\/strong\u003e to stabilize thermocouple measurements across varying ambient conditions. RJC input accuracy is maintained within ±1 deg C, ensuring consistent conversion of low‑level millivolt signals. Burnout detection provides selectable UP\/DOWN\/OFF states, enabling system‑level fault handling within 60 s.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eQ: How is burnout detection configured? A: Burnout detection can be set to UP, DOWN, or OFF via software, with detection current limited to 0.1 µA at terminal B.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: What is the impact of ambient temperature variation on measurement accuracy? A: A 10 deg C change results in ±40 µV drift for mV and thermocouple inputs, ±0.16 Ω for RTS inputs, and ±0.4 % span for potentiometer inputs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eQ: Can auxiliary voltage output be used for external reference devices? A: Yes, provided load resistance is ≥10 kΩ and grounding is shared with the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eInstall the module into the AMN11 Nest for Analog I\/O Modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConnect wiring to terminal blocks using M4 screws with proper torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMaintain shield grounding at a single point to prevent ground loops.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eSeparate signal wiring from high‑voltage cabling to minimize interference.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eConfigure input signal type and range via software before commissioning.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47598775697598,"sku":"AAM21","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/AAM11_2.jpg?v=1780385349","url":"https:\/\/www.autooiltech.com\/products\/aam21-yokogawa-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}