{"product_id":"9905-860-woodward-digital-steam-turbine-control","title":"9905-860 Woodward Digital Steam Turbine Control","description":"\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9905-860\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a specialized digital turbine governor from the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eWoodward Peak150 Series\u003c\/strong\u003e, designed for precise control of single-valve or split-range steam turbine systems. This microprocessor-based controller replaces legacy mechanical governors with modern digital PID-based regulation for speed and load management.\u003c\/p\u003e\n\u003cp\u003eThe 9905-860 processes high-speed magnetic pickup signals and executes real-time control algorithms to maintain stable turbine RPM under varying mechanical load conditions. It also integrates overspeed protection and diagnostic monitoring, making it suitable for critical power generation and mechanical drive 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\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003ePeak150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e9905-860\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003eDigital Microprocessor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Logic\u003c\/td\u003e\n\u003ctd\u003ePID (Proportional-Integral-Derivative)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Interface\u003c\/td\u003e\n\u003ctd\u003eDual Magnetic Pickup (MPU) Support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eActuator Driver (4–20 mA or 20–160 mA typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003eConfigurable for low and high-speed turbines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Functions\u003c\/td\u003e\n\u003ctd\u003eLost speed signal detection, hardware health monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e2.2 cm × 12.4 cm × 12.6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 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 9905-860 is widely deployed in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSteam turbine speed and load control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePump and compressor constant-speed control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuxiliary power generation systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial plants requiring continuous operation during grid transitions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts bumpless transfer capability between speed and load control modes helps maintain process stability during power system fluctuations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 9905-860 support remote setpoint control?\u003c\/strong\u003e\u003cbr\u003eYes. The controller typically accepts external\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e4–20 mA analog signals\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor remote speed or load setpoint adjustments via DCS or PLC systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if the speed signal is lost?\u003c\/strong\u003e\u003cbr\u003eThe controller automatically triggers safety logic that initiates a controlled shutdown or emergency trip to prevent turbine overspeed damage.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":48746751033596,"sku":"9905-860","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/9905-860.jpg?v=1772521831","url":"https:\/\/www.electronicplc.com\/products\/9905-860-woodward-digital-steam-turbine-control","provider":"Electronic PLC","version":"1.0","type":"link"}