{"product_id":"amm12t-yokogawa-voltage-input-multiplexer-module","title":"AMM12T | Yokogawa | Voltage Input Multiplexer Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa AMM12T\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMM12T\u003c\/strong\u003e Voltage Input Multiplexer Module, operates as a dedicated hardware component for high-voltage analog data acquisition within CENTUM Distributed Control System networks. This module multiplexes DC voltage input signals across a wide -10 to 10 V DC range, utilizing localized system isolation to protect internal control logic while maintaining a 1 s data update cycle across all integrated measurement points.\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\u003eAMM12T\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard AMM-series nested module weight profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard I\/O module nest form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial operating limits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e500 mA or less (at 5.0 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Type\u003c\/td\u003e\n\u003ctd\u003eDC Voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e-10 to 10 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Input Voltage\u003c\/td\u003e\n\u003ctd\u003e-30 to 30 V DC maximum limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e1 MOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Insulation\u003c\/td\u003e\n\u003ctd\u003eInput signals are isolated between systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Update Period\u003c\/td\u003e\n\u003ctd\u003e1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-4 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllowable Common Mode Voltage\u003c\/td\u003e\n\u003ctd\u003e200 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParallel Connection Loop\u003c\/td\u003e\n\u003ctd\u003ePermitted only when burnout detection is configured OFF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation \/ Connection\u003c\/td\u003e\n\u003ctd\u003eInstalled in I\/O module nest \/ Fixed via M4 screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Configuration\u003c\/td\u003e\n\u003ctd\u003eSpecified via software settings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel-to-Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe AMM12T hardware architecture relies on rigorous internal system isolation designed to safely handle an allowable common mode voltage of up to 200 V AC. When processing raw analog voltage feeds, the input stage maintains a constant 1 MOhm input resistance, allowing steady signal translation from -10 to 10 V DC with a strict precision tolerance of $\\pm4\\text{ mV}$. This localized system isolation decouples external field loops from sensitive logic electronics, suppressing high-frequency cross-talk and transient surges across parallel-wired instrumentation lines while updating the host system registers at a deterministic 1 s data scan interval.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the application parameters and restrictions regarding parallel input connections on the AMM12T?\u003c\/p\u003e\n\u003cp\u003eA: Parallel connections of input signals across multiple channels are permitted only under the condition that the sensor burnout diagnostic function is explicitly configured to OFF via the software settings. If burnout diagnostics are left active, parallel looping is not permitted as it will corrupt the measurement matrix.\u003c\/p\u003e\n\u003cp\u003eQ: How are the specific input signals, voltage ranges, and sensor calibrations matching the hardware configured?\u003c\/p\u003e\n\u003cp\u003eA: The hardware contains no manual dip-switches or physical jumpers for range selection. All specific input signals and their corresponding engineering ranges must be specified entirely through the host distributed control system's engineering software settings, which then download the target configuration profile directly into the module registers.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNest Slot Alignment Check\u003c\/strong\u003e: Insert the module squarely into the designated slot of the I\/O module nest, ensuring that the backplane pin assembly aligns flush before pushing the card home.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM4 Terminal Screw Torquing\u003c\/strong\u003e: Secure the field wiring connections directly to the terminals of the I\/O module nest using M4 screws, tightening them evenly to prevent localized contact resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage Clamp Verification\u003c\/strong\u003e: Confirm that field-side potential fluctuations remain within the -30 to 30 V DC allowable input voltage limit to avoid overstressing the 1 MOhm input resistors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Mode Voltage Mitigation\u003c\/strong\u003e: Verify via external measurement that the electrical potential difference between field return paths does not exceed the 200 V AC allowable common mode voltage threshold relative to the system ground.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":47589360992446,"sku":"AMM12T","price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/AMM22T_2.png?v=1780036462","url":"https:\/\/www.autooiltech.com\/products\/amm12t-yokogawa-voltage-input-multiplexer-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}