{"product_id":"woodward-5466-253-micronet-tmr-high-density-analog-combo-i-o-module","title":"Woodward 5466-253 MicroNet TMR High-Density Analog Combo I\/O Module","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5466-253\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a High-Density (HD) Analog Combo Module from Woodward, Inc., designed for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMicroNet TMR (Triple Modular Redundant)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econtrol platform. It is engineered for mission-critical\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esteam turbine and industrial engine control\u003c\/strong\u003e, consolidating multiple analog I\/O and actuator control functions into a single module.\u003c\/p\u003e\n\u003cp\u003eThis “Combo” architecture allows simultaneous handling of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003espeed sensing, process variable acquisition, and proportional valve actuation\u003c\/strong\u003e, making it ideal for high-performance governor systems. The module supports both standard 4–20 mA signaling and direct actuator drive outputs.\u003c\/p\u003e\n\u003cp\u003eA key feature is the integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esoftware-configurable 25 Hz dither signal\u003c\/strong\u003e, which reduces mechanical stiction in hydraulic or linear actuators, ensuring smooth and precise valve positioning. With a fast\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e5 ms system-wide update rate\u003c\/strong\u003e, high common-mode rejection, and robust electrical isolation, the 5466-253 delivers deterministic control performance in oil \u0026amp; gas and power generation applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e5466-253\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eMicroNet TMR \/ 505E Digital Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Inputs\u003c\/td\u003e\n\u003ctd\u003e4 channels (MPU or proximity probe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Inputs\u003c\/td\u003e\n\u003ctd\u003e8 channels (4–20 mA or 0–5 V DC, software selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Outputs\u003c\/td\u003e\n\u003ctd\u003e4 channels (4–20 mA, max 600 Ω load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActuator Drivers\u003c\/td\u003e\n\u003ctd\u003e2 configurable outputs (4–20 mA or 20–160 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Resolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e5 ms (all channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Rejection\u003c\/td\u003e\n\u003ctd\u003e200 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e200 Ω (internal resistors for current inputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V DC (Power to I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +55°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.84 kg \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eApplication\u003c\/h3\u003e\n\u003cp\u003eThe 5466-253 is widely used in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam turbine governor systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLarge turbogenerators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExtraction\/Admission steam control applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSafety-critical overspeed protection systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIt is particularly effective in applications where\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emultiple control valves must operate in synchronized response\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto speed, load, and pressure changes. The TMR architecture ensures continued operation even if one channel experiences a fault, making it suitable for high-availability turbine installations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Is the 5466-253 compatible with MicroNet Plus systems?\u003c\/strong\u003e\u003cbr\u003eYes. It is often designated as a preferred module for MicroNet platforms when using Coder version 5.03 or later.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Are external resistors required for 4–20 mA inputs?\u003c\/strong\u003e\u003cbr\u003eNo. The module includes onboard 200 Ω precision resistors for current loop measurement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Why is the 5 ms update time important?\u003c\/strong\u003e\u003cbr\u003eThe fast update rate enables near-instantaneous turbine response to load or speed changes, supporting grid frequency stability and preventing overspeed conditions.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":48746747527420,"sku":"5466-253","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/5466-2532.jpg?v=1772610734","url":"https:\/\/www.electronicplc.com\/products\/woodward-5466-253-micronet-tmr-high-density-analog-combo-i-o-module","provider":"Electronic PLC","version":"1.0","type":"link"}