Woodward 9905-792 Digital speed control

The controller integrates advanced electronic components to enhance accuracy and durability even in harsh operating environments. Its modular architecture supports remote communication, configuration through PC-based tools, and seamless integration with existing engine management systems. With its rugged construction, it is a preferred solution in power generation, marine, oil & gas, and industrial automation applications.

Technical Specifications

Product Advantages

1. High Precision Control: Offers stable and accurate speed control even in varying load conditions.

2. Flexible Configuration: Easily configurable using PC-based tools via serial interface.

3. Load Sharing Capabilities: Supports parallel operations through isochronous or droop load sharing.

4. Wide Speed Range: Can control engines ranging from 500 RPM to 15,000 RPM.

5. Durability: Industrial-grade components ensure long life and minimal maintenance.

6. Temperature Tolerance: Operates reliably across extreme temperature ranges from -40°C to +70°C.

7. Seamless Integration: Easily integrates with other Woodward modules and third-party systems.

8. Communication Support: Comes with RS-232/RS-485 interface for remote monitoring and diagnostics.

9. Compact Footprint: Saves space in panels with its relatively small size and panel-mount design.

10. Global Certifications: Certified for use in a wide range of regulated environments (CE, UL, CSA).

Product Applications

• Power Generation Systems: Provides precise speed regulation and load sharing for gensets in standby and continuous operation.

• Marine Engines: Used in propulsion and auxiliary power units in marine vessels.

• Industrial Engines: Controls speed and load-sharing for pumps, compressors, and turbines.

• Oil and Gas Sector: Helps in engine-driven compressor and pump control in upstream and midstream operations.

• Renewable Energy: Assists in hybrid systems where diesel generators work in tandem with renewables.

• Mechanical Drive Systems: Ensures constant engine speed in conveyor belts and industrial drive systems.

Frequently Asked Questions (FAQ)

Q1: Is the 9905-792 compatible with legacy Woodward 2301A/B controllers?

A1: While it shares functional similarities, 9905-792 has different configuration tools and may require wiring adaptations for full compatibility.

Q2: Can the controller be configured without a PC?

A2: No, it requires the Woodward Toolkit software on a PC for configuration via serial connection.

Q3: Does the 9905-792 support Ethernet communication?

A3: This specific model supports RS-232/RS-485 only. For Ethernet, consider 2301E series models.

Q4: What type of load sharing does it support?

A4: It supports both isochronous and droop load sharing, suitable for parallel generator operation.

Q5: Can it be used in marine environments?

A5: Yes, with appropriate enclosures, it performs reliably in marine applications.

Q6: Is firmware upgradable?

A6: Firmware updates are possible via Woodward Toolkit software but must be done by authorized technicians.

Q7: What’s the typical installation time?

A7: Depending on system complexity, installation takes 2–4 hours including wiring and configuration.

Q8: Is it compliant with environmental standards?

A8: Yes, it complies with CE, UL, and CSA standards for electrical and environmental safety.

Q9: What is the maximum number of engines it can synchronize with?

A9: There’s no hard limit; it depends on system configuration and bus design, but typically used with up to 8 gensets.

Q10: What is the warranty period?

A10: Standard warranty is 1 years from the date of shipment, extendable with service contracts.