{"product_id":"woodward-9905-002-spm-a-series-generator-phase-speed-synchronizer","title":"Woodward 9905-002 | SPM-A Series | Generator Phase \u0026 Speed Synchronizer","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9905-211\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom Woodward is a precision\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDigital Speed and Load Control Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for reciprocating engines, including diesel and gas types. Part of the 701 Digital Speed Control series, it delivers stable engine performance under varying load conditions and integrates seamlessly with Woodward or compatible proportional actuators. This model is optimized for high-voltage applications (90–150 VDC or 88–132 VAC) and is suitable for bulkhead or panel mounting in generator sets and industrial drive systems.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eCore Functional Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Mode Speed Regulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsochronous Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMaintains constant engine speed regardless of load fluctuations, ensuring stable frequency output for power generation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDroop Operation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows speed to decrease proportionally with load, ideal for parallel generator operation or connection to an infinite bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLoad Sharing Capability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProportional load-sharing ensures multiple generators evenly distribute the total electrical load according to individual capacity, preventing overloading of any single unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eActuator Interface\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eProvides 0–200 mA DC output to proportional actuators, automatically adjusting based on the difference between setpoint and feedback signals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eAutomatic Protection \u0026amp; Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes fail-safe circuitry to shut down the actuator if the Magnetic Pickup (MPU) signal is lost, preventing overspeed conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser-adjustable potentiometers allow tuning for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eGain\u003c\/strong\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eReset\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eActuator Compensation\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto optimize engine response and minimize hunting.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eEnvironmental Resilience\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eRugged chassis designed to withstand vibration, EMI, and industrial operating conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature: -40°C to +70°C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\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\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e90–150 VDC or 88–132 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine Input Signal\u003c\/td\u003e\n\u003ctd\u003e0–20 mA analog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Range\u003c\/td\u003e\n\u003ctd\u003e500 Hz to 25,000 Hz (Magnetic Pickup frequency)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput to Actuator\u003c\/td\u003e\n\u003ctd\u003e0–200 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Sharing Output\u003c\/td\u003e\n\u003ctd\u003e0–6 VDC proportional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel or bulkhead\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eFront-panel keypad, LCD display, status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS-232 for configuration and diagnostics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eESD protection, password access\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.0 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eGenerator sets requiring precise speed control and load sharing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial engines used in mechanical drives, cogeneration, or backup power systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegration with Woodward actuators for responsive engine management.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the 9905-211 interface with non-Woodward actuators?\u003c\/strong\u003e\u003cbr\u003eA: Yes, as long as the actuator accepts proportional 0–200 mA control input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What happens if the Magnetic Pickup signal is lost?\u003c\/strong\u003e\u003cbr\u003eA: The fail-safe circuit shuts down the actuator automatically to prevent overspeed.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for high-vibration environments?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the module is designed for heavy vibration and EMI typical of engine rooms.\u003c\/p\u003e","brand":"WOODWARD","offers":[{"title":"Default Title","offer_id":44121752436835,"sku":"9905-002","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/9905-002-2.jpg?v=1774937025","url":"https:\/\/precisemodule.com\/products\/woodward-9905-002-spm-a-series-generator-phase-speed-synchronizer","provider":"Precise Module Ltd.","version":"1.0","type":"link"}