Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | Digital Speed Control |
| Model Number | 9905-792 |
| Brand | Woodward |
| Product Type | Electronic Speed Control Unit |
| Function | Provides precise digital control of engine or turbine speed |
| Input Signal | Magnetic pickup or frequency input (MPU) |
| Output Signal | Pulse-width modulated signal to actuator |
| Speed Range | 1 Hz to 10 kHz input frequency range |
| Power Supply | 18–32 VDC nominal |
| Power Consumption | 20 W typical |
| Control Mode | Isolated PID control with programmable gain and dynamics |
| Communication Interface | RS-232 serial port for setup and monitoring |
| Adjustment Parameters | Speed setpoint, gain, stability, and droop settings |
| Accuracy | ±0.1% of set speed |
| Response Time | <50 ms typical |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -55°C to +105°C |
| Humidity | Up to 95% non-condensing |
| Vibration Resistance | 5 g, 10–500 Hz |
| Shock Resistance | 20 g, 11 ms |
| Protection Features | Reverse polarity, surge, and over-temperature protection |
| Mounting Type | Panel mount |
| Enclosure Rating | IP65 (sealed front panel) |
| Dimensions | 215.9 × 157.48 × 78.74 mm |
| Weight | 1.9 kg |
FAQ
FAQ
Q1: What is the primary function of the Woodward 9905-792 Digital Speed Control?
A1: It provides precise electronic control of engine or turbine speed using digital processing for stable and accurate operation.
Q2: What type of sensors are compatible with this control module?
A2: It is designed to work with magnetic pickup (MPU) sensors or frequency-based speed sensors.
Q3: How is the 9905-792 configured or tuned?
A3: Configuration is performed through a PC connection via the RS-232 interface using Woodward’s setup software.
Q4: What protection mechanisms are integrated in the module?
A4: The unit includes reverse polarity, surge suppression, and over-temperature protection for system safety and reliability.
Q5: Can the speed control unit be used in harsh environments?
A5: Yes, it is designed to operate in extreme temperature ranges, high vibration, and high humidity environments.
Q6: What type of actuators does this controller support?
A6: It supports proportional actuators driven by PWM output for precise engine speed regulation.
Q7: How is the control accuracy maintained under varying load conditions?
A7: The built-in PID algorithm automatically compensates for load fluctuations to maintain steady engine speed.
Q8: In what applications is the 9905-792 Digital Speed Control typically used?
A8: It is commonly used in diesel and gas engines, generator sets, marine propulsion systems, and industrial turbines requiring reliable speed regulation.
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Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
