{"product_id":"yokogawa-amm21-analog-input","title":"Yokogawa AMM21 Analog Input","description":"\u003cp\u003eConfigured for multi-signal data acquisition in Yokogawa distributed networks, the \u003cstrong\u003eYokogawa AMM21\u003c\/strong\u003e (\u003cstrong\u003eAMM21\u003c\/strong\u003e Analog Input Module) provides direct physical\/electrical execution.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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\u003eAMM21\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signals Supported\u003c\/td\u003e\n\u003ctd\u003e4-20 mA, 0-10 V, Thermocouple (configurable types)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003eHigh precision and resolution execution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSampling Rate\u003c\/td\u003e\n\u003ctd\u003eConfigurable per application requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.5 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e5.0 in x 1.0 in x 8.0 in (12.7 cm x 2.5 cm x 20.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0 lbs 6.1 oz (0.2 kg)\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 and DCS Integration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Parameter Mapping:\u003c\/strong\u003e The internal converter architecture maps incoming 4-20 mA and 0-10 V analog loops into digital values for deterministic data acquisition across Yokogawa DCS networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation Matrix:\u003c\/strong\u003e Integrated reference junctions establish local thermal baselines for direct thermocouple signal translation, eliminating parasitic EMF errors across the terminal block.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Protection Boundaries:\u003c\/strong\u003e Channel-to-channel isolation networks separate the analog input conditioning stages from the backplane bus, preventing field ground loop current propagation from disrupting adjacent measurement channels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the AMM21 module process 4-20 mA loops and thermocouple inputs concurrently on adjacent channels? A: Yes, the input signal type is independently configurable per channel via the Yokogawa DCS engineering interface software, supporting mixed sensor topographies on the same module rack.\u003c\/p\u003e\n\u003cp\u003eQ: What grounding method is required for the 0-10 V voltage input configuration?\u003c\/p\u003e\n\u003cp\u003eA: Voltage signals require a shared instrument ground baseline; shield wires must be terminated at the cabinet functional earth bus bar to eliminate common-mode noise on high-impedance voltage channels.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSlide the module vertically into the dedicated slot of the Yokogawa DCS node rack, ensuring the upper and lower locking tabs click securely to maintain firm backplane contact.\u003c\/li\u003e\n\u003cli\u003eRoute all low-voltage analog signal cables (thermocouple extension wires and 4-20 mA loops) through dedicated wire ducts separated by at least 100 mm from high-voltage AC distribution paths.\u003c\/li\u003e\n\u003cli\u003eConnect the overall cable shield braid to the designated cabinet instrumentation ground bar using a low-impedance termination lug.\u003c\/li\u003e\n\u003cli\u003eVerify that the ambient temperature inside the module enclosure remains within the specified operational guidelines to prevent long-term thermal drift in the reference junction circuits.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":45238664626291,"sku":"AMM21","price":233.0,"currency_code":"USD","in_stock":true}],"url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-amm21-analog-input","provider":"DcsSupplier Limited","version":"1.0","type":"link"}