{"product_id":"9905-792-woodward-digital-speed-control-board-brand-new","title":"9905-792 | Woodward Digital Speed Control Board | Brand new","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward 9905-792\u003c\/strong\u003e is a \u003cstrong\u003eProAct Digital Speed Control Module\u003c\/strong\u003e designed for precise speed regulation of engines and turbines in industrial environments. It provides stable actuator output and integrates easily into various control systems, ensuring reliable and efficient operation. This digital speed governor is ideal for AC and DC motor applications including pumps, fans, and generators, offering excellent performance and robust protection features for smooth operation under challenging conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e ProAct Digital Speed Control Module \/ Digital Speed Governor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Woodward ProAct \/ 9905 Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Type:\u003c\/strong\u003e Digital Speed Governor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 24 VDC nominal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Signal:\u003c\/strong\u003e 0–200 mA current to actuator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Range:\u003c\/strong\u003e Programmable, typically 500–5000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e RS-232\/RS-485 (Modbus-compatible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Panel or DIN rail\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection Rating:\u003c\/strong\u003e IP65 (sealed enclosure)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +85°C (some sources indicate -40°C to +70°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Approx. 20 × 15 × 5 cm (7.87 × 5.91 × 1.97 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 1.2 kg (2.65 lbs)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Speed Regulation:\u003c\/strong\u003e Maintains consistent speed across wide load variations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated PID Control:\u003c\/strong\u003e Enhances actuator responsiveness and improves fuel efficiency\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Programming:\u003c\/strong\u003e Adjustable parameters for various engine types and applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe Operation:\u003c\/strong\u003e Retains last known output during signal interruptions to minimize downtime\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModbus Communication:\u003c\/strong\u003e RS-232\/RS-485 for remote configuration and diagnostics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection:\u003c\/strong\u003e Overvoltage, overcurrent, undervoltage, short circuit, and ground fault protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple Speed Control Modes:\u003c\/strong\u003e Supports tachometer, current feedback, and voltage feedback modes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroprocessor-Based Control:\u003c\/strong\u003e Precise and efficient digital regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePumps — speed control for flow optimization\u003c\/li\u003e\n\u003cli\u003eFans — ventilation system speed regulation\u003c\/li\u003e\n\u003cli\u003eGenerators — frequency and load control\u003c\/li\u003e\n\u003cli\u003eCompressors — discharge pressure management\u003c\/li\u003e\n\u003cli\u003eConveyors — material handling speed control\u003c\/li\u003e\n\u003cli\u003eIndustrial automation and control systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount on panel or DIN rail in control cabinet\u003c\/li\u003e\n\u003cli\u003eConnect 24 VDC power supply\u003c\/li\u003e\n\u003cli\u003eWire speed reference input (tachometer or analog)\u003c\/li\u003e\n\u003cli\u003eConnect 0–200 mA output to actuator\u003c\/li\u003e\n\u003cli\u003eWire RS-232\/RS-485 for Modbus communication\u003c\/li\u003e\n\u003cli\u003eConfigure PID parameters and speed setpoints via software\u003c\/li\u003e\n\u003cli\u003eTest speed regulation under varying load conditions\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the output current range?\u003c\/strong\u003e\u003cbr\u003eA: 0–200 mA to the actuator.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What communication protocols are supported?\u003c\/strong\u003e\u003cbr\u003eA: Modbus RTU via RS-232\/RS-485.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What protection features are included?\u003c\/strong\u003e\u003cbr\u003eA: Overvoltage, overcurrent, undervoltage, short circuit, and ground fault protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it suitable for outdoor installation?\u003c\/strong\u003e\u003cbr\u003eA: Yes, IP65 sealed enclosure protects against dust and water ingress.\u003c\/p\u003e\n\n\u003ch3\u003eModel Selection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e9905-792 = \u003cstrong\u003eProAct Digital Speed Control\u003c\/strong\u003e for engine\/turbine speed regulation\u003c\/li\u003e\n\u003cli\u003eVerify actuator accepts 0–200 mA input signal\u003c\/li\u003e\n\u003cli\u003eConfirm 24 VDC power supply availability\u003c\/li\u003e\n\u003cli\u003eFor load sharing applications, pair with 9907-173 or 9905-096\u003c\/li\u003e\n\u003cli\u003eFor synchronizer applications, pair with 9905-708 or 9907-005\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":53789741416632,"sku":"9905-792","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/9905-7922r180.png?v=1784278486","url":"https:\/\/www.globalpetroparts.com\/products\/9905-792-woodward-digital-speed-control-board-brand-new","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}