{"product_id":"amm21t-thermocouple-input-multiplexer-module-yokogawa","title":"AMM21T | Thermocouple Input Multiplexer Module | Yokogawa","description":"\u003ch2\u003eYokogawa AMM21T Thermocouple Input Multiplexer Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM21T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM21T\u003c\/strong\u003e Thermocouple Input Multiplexer Module, operates as a dedicated hardware component for consolidating multiple thermocouple signals within CENTUM VP and CENTUM CS distributed control systems.\u003c\/p\u003e\n\u003ch3\u003eHardwareSpecifications\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa AMM21T\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\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApproximately 200 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e95 mm x 115 mm x 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-10 degC to 55 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorageTemp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to 70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e10% to 90% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003e5 W maximum per module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputChannels\u003c\/td\u003e\n\u003ctd\u003e4 channels analog input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSamplingRate\u003c\/td\u003e\n\u003ctd\u003e10 MS\/s per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBandwidth\u003c\/td\u003e\n\u003ctd\u003e3 MHz maximum frequency response\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputVoltageRange\u003c\/td\u003e\n\u003ctd\u003e60 VDC + AC peak maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolationVoltage\u003c\/td\u003e\n\u003ctd\u003e200 V channel-to-channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1% of reading typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoiseLevel\u003c\/td\u003e\n\u003ctd\u003e±4 μV typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eSMARTDAC+ proprietary bus interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail or wall mount compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIP20 front panel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eProcess Control Specifics\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSupports \u003cstrong\u003ecold junction compensation (CJC)\u003c\/strong\u003e for all connected thermocouples to ensure linearized temperature readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-channel isolation\u003c\/strong\u003e prevents cross-interference between adjacent measurement circuits.\u003c\/li\u003e\n\u003cli\u003eIntegrated signal conditioning for low-noise operation at ±4 μV typical.\u003c\/li\u003e\n\u003cli\u003eCompatible with 4-20 mA or system-level digital output conversion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the AMM21T support hot-swapping in the I\/O nest?\u003c\/strong\u003e\u003cbr\u003eA: The module is not designed for hot-swapping; power must be removed before insertion or removal to prevent damage to the backplane or module circuitry.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum sampling rate per channel?\u003c\/strong\u003e\u003cbr\u003eA: Each analog input channel can sample up to 10 MS\/s; simultaneous multi-channel sampling may be limited by the backplane bus bandwidth.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module include built-in thermocouple fault detection?\u003c\/strong\u003e\u003cbr\u003eA: Yes, sensor burnout and disconnection are detected, and the affected channel is isolated to prevent propagation to other channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField Installation Guidelines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eInstall on a DIN rail or secure wall mount; ensure module orientation allows proper airflow.\u003c\/li\u003e\n\u003cli\u003eMaintain shielded cabling grounded at a single point to minimize noise pickup.\u003c\/li\u003e\n\u003cli\u003eRoute analog thermocouple signals separately from power or switching circuits to reduce EMI.\u003c\/li\u003e\n\u003cli\u003eVerify backplane connection integrity before system power-up to ensure proper channel addressing.\u003c\/li\u003e\n\u003cli\u003eAvoid mechanical stress on terminal connectors; torque screws to manufacturer-specified limits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44165745901656,"sku":"AMM21T","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/AMM21T-2.jpg?v=1780371078","url":"https:\/\/www.industriaxplc.com\/id\/products\/amm21t-thermocouple-input-multiplexer-module-yokogawa","provider":"IndustriaX Limited","version":"1.0","type":"link"}