{"product_id":"woodward-9905-463-proact-digital-speed-control","title":"Woodward 9905-463 ProAct Digital Speed Control","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"citation-282\"\u003eThe Woodward \u003cstrong\u003e9905-463\u003c\/strong\u003e is a\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003eProAct Digital Speed Control\u003cspan class=\"citation-282 citation-end-282\"\u003e (Revision N) designed to drive the ProAct series of electric actuators.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eIt serves as a high-speed, programmable governor that regulates engine speed with high precision, making it ideal for gas engines, diesel engines, and small steam turbines requiring fast transient response.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-281\"\u003e\u003c\/span\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e\u003cspan class=\"citation-281 citation-end-281\"\u003e\u003cspan\u003e \u003c\/span\u003e9905-463 (Revision N).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-280\"\u003e\u003c\/span\u003e\u003cstrong\u003ePower Supply:\u003c\/strong\u003e\u003cspan class=\"citation-280 citation-end-280\"\u003e\u003cspan\u003e \u003c\/span\u003e18 to 32 Vdc (24 Vdc nominal).\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 A continuous; 30 A peak for actuator transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Sensing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMagnetic Pickup (MPU) or proximity probe (1 to 30 Vrms).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePWM (Pulse Width Modulation) specifically for ProAct actuators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnalog Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRemote speed setpoint (4–20 mA or 1–5 Vdc).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete Inputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRun\/Stop, Idle\/Rated, Raise\/Lower, and Speed Reset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-40°C to +70°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApproximately 2.3 kg (5 lbs).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eRevision N Enhancements:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes updated internal circuitry and firmware optimizations for improved EMI (electromagnetic interference) resistance and control stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProAct Actuator Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSpecifically tuned to work with Woodward ProAct I, II, III, and IV actuators for a seamless, all-electric governor solution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfigurable PID Dynamics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures dual-dynamics (Gain, Reset, and Actuator Compensation) to allow stable control during both engine startup and full-load operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverspeed Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated software-based overspeed detection and shutdown logic to protect the prime mover.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"citation-279\"\u003e\u003c\/span\u003e\u003cstrong\u003eDigital Accuracy:\u003c\/strong\u003e\u003cspan class=\"citation-279 citation-end-279\"\u003e\u003cspan\u003e \u003c\/span\u003eMicroprocessor-based logic eliminates the drift typically associated with older analog governing systems.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch Window Compatible:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows for real-time monitoring, data logging, and parameter configuration using Woodward’s PC-based service tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Limiting Logic:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProgrammable fuel-limiting curves based on speed or manifold pressure to prevent engine smoke or mechanical overstress during acceleration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":46440315355326,"sku":"9905-463","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/woodward-9907-018-speed-control-xsuqudhnpq5.png?v=1772177753","url":"https:\/\/www.autooiltech.com\/products\/woodward-9905-463-proact-digital-speed-control","provider":"AutoOilTech Limited","version":"1.0","type":"link"}