{"product_id":"yokogawa-amn12t-s2-rtd-input-multiplexer-module","title":"Yokogawa AMN12T S2 RTD Input Multiplexer Module","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa AMN12T S2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eAMN12T\u003c\/strong\u003e RTD Input Multiplexer Module, operates as a dedicated hardware component for 12-channel resistance temperature detector signal conditioning within CENTUM DCS networks.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMN12T:\u003c\/strong\u003e Base hardware designation for the high-density RTD input multiplexer module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS2:\u003c\/strong\u003e Hardware style revision identifying specific backplane connector configurations and internal component layouts.\u003c\/li\u003e\n\u003c\/ul\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\u003eAMN12T S2\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\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e130 mm x 140 mm x 25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e3.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Capacity\u003c\/td\u003e\n\u003ctd\u003e12 RTD channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensor Types\u003c\/td\u003e\n\u003ctd\u003ePt100, JPt100 (3-wire connection)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Protocol\u003c\/td\u003e\n\u003ctd\u003eInternal DCS backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation and Temperature Measurement Properties\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation Integration:\u003c\/strong\u003e Provides accurate temperature reference processing and linearized conversion curves for precise analog signal conditioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation:\u003c\/strong\u003e Features dedicated isolation circuitry between input channels to suppress common-mode voltage spikes and prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Compatibility:\u003c\/strong\u003e Integrates seamlessly with process control backplanes to support digital signal superposition alongside primary temperature readings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the AMN12T S2 handle open-circuit field wiring conditions on an RTD channel?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates automatic burnout detection circuitry that forces the analog signal channel to a predetermined high or low full-scale limit upon detecting a broken wire condition.\u003c\/p\u003e\n\u003cp\u003eQ: Can 2-wire RTD sensors be wired directly to the 12 input terminals?\u003c\/p\u003e\n\u003cp\u003eA: 2-wire RTD sensors can be used by jumpering the compensation terminals at the field block, though 3-wire configurations are recommended to maintain lead resistance balance.\u003c\/p\u003e\n\u003cp\u003eQ: Is live extraction supported for the AMN12T S2 during active DCS backplane operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, hot-swapping is permitted provided the card retention latches are disengaged and appropriate ESD grounding procedures are followed.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInsert the module vertically into the designated rack slot until the backplane connectors fully seat into the baseboard receptacle.\u003c\/li\u003e\n\u003cli\u003eTighten the top and bottom retaining screws to 0.5 Nm torque to verify chassis ground continuity.\u003c\/li\u003e\n\u003cli\u003eKeep RTD field wiring separate from AC power conduits by running signal lines in dedicated grounded metallic wireways.\u003c\/li\u003e\n\u003cli\u003eEnsure signal cable shields are grounded at a single earth point at the main control cabinet to prevent ground loop currents.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":48491312185534,"sku":"AMN12T S2","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-08-04_11-45-22_f486a135-8319-41eb-bc20-e4bcb5dad423.png?v=1785914033","url":"https:\/\/www.autooiltech.com\/products\/yokogawa-amn12t-s2-rtd-input-multiplexer-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}