{"product_id":"proact-plus-digital-speed-control-new-woodward-9905-792","title":"ProAct Plus Digital Speed Control New | Woodward 9905-792","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Woodward 9905-792 serves as a high-precision ProAct Plus Digital Speed Control, engineered specifically for governing large engines and turbines. This module manages engine velocity with extreme accuracy by integrating a 4-20mA fuel limiter directly into the speed regulation logic. It converts complex input data into precise actuator commands to optimize combustion and prevent overspeed conditions. We supply this unit as 100% Brand New and original equipment, ensuring your mission-critical machinery operates at peak efficiency.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9905-792\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProAct Plus\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePrimary Function\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Speed Control \/ Governor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4-20mA (Configurable for Fuel Limiting)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLarge Engines, Turbines, and Prime Movers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eControl Logic\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMicroprocessor-based PID Control\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Input\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e18–32 VDC (Standard Industrial)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.56 kg (5.65 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStatus and Fault LED Indication\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 9905-792 ProAct Plus addresses the technical limitations of traditional mechanical governors by providing a fully programmable, solid-state solution for speed and fuel management.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecise Fuel Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe integrated 4-20mA fuel limiter allows the system to cap fuel delivery based on real-time process variables. This protects the engine from thermal overload and reduces emissions during transient load changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDeterministic Speed Regulation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe high-performance microprocessor executes control loops with zero mechanical lag. This ensures stable engine speeds even when facing sudden, large-scale load steps in power generation or compressor applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRuggedized Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWoodward builds the 9905-792 to withstand the intense vibrations and thermal cycling found in engine-mounted environments. The internal electronics feature potting or specialized coatings to resist moisture and industrial contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified System Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe digital architecture allows for easy interfacing with plant-wide SCADA or DCS systems. Technicians can calibrate the unit via software to match specific engine inertia and fuel system response times.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 4-20mA fuel limiter function within the 9905-792?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 4-20mA input acts as an external limit signal. The 9905-792 compares this value against the speed-demand logic; the control then selects the lower signal to drive the actuator, ensuring fuel delivery never exceeds safety or process boundaries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the 9905-792 a direct replacement for older ProAct models?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the 9905-792 often replaces discontinued ProAct variants. However, because it utilizes the \"Plus\" digital platform, you must verify pinouts and software configurations to ensure the PID parameters align with your existing actuator's response.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat mounting precautions should I take for this speed control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the unit is built for durability, we recommend mounting it in a location that minimizes direct exposure to extreme exhaust heat. Proper grounding of the 18–32 VDC power supply is essential to prevent electrical noise from interfering with the 4-20mA signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module support dual-fuel engine applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe ProAct Plus series supports complex configurations, but dual-fuel operation typically requires specific programming. The 9905-792 excels in standard diesel or gas applications where a single fuel limit reference is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":43199115460698,"sku":"9905-792","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/249..jpg?v=1775803610","url":"https:\/\/www.spareoil.com\/products\/proact-plus-digital-speed-control-new-woodward-9905-792","provider":"SpareOil Automation","version":"1.0","type":"link"}