9905-971 Digital Governor Control Module

Technical Specifications

Main Features and Advantages

The Woodward 9905-971 digital governor control module delivers precision engine management for critical power generation applications. Featuring a powerful 32-bit RISC processor with DSP capabilities, this module maintains ±0.25% speed control accuracy even during sudden load changes. The advanced control algorithms provide adaptive gain scheduling that automatically adjusts to different engine operating conditions, ensuring optimal performance across varying loads and environmental factors.

9905-969

Multi-engine synchronization: The 9905-971 supports masterless load sharing between multiple generator sets, maintaining precise power distribution without requiring a central controller. Its CANbus J1939 and Ethernet/IP interfaces enable seamless integration with power management systems for real-time monitoring and control.

Robust industrial design: Encased in an IP66-rated enclosure, the module withstands harsh environments including dust, moisture, and extreme temperature variations (-40°C to +85°C). The conformal coated circuitry provides additional protection against humidity and chemical exposure in demanding industrial settings.

Comprehensive diagnostics: Integrated self-monitoring continuously checks engine parameters, control outputs, and communication links. The module maintains detailed event logs with timestamped operational data, facilitating predictive maintenance and reducing unplanned downtime.

Our power generation specialists provide configuration support – contact us via WhatsApp for engine compatibility verification and system integration guidance.

Application Areas

The 9905-971 excels in critical power generation applications including prime power plants, standby generator systems, marine propulsion, and oil & gas operations. Its robust design makes it ideal for controlling diesel and gas engines in remote locations, offshore platforms, and mission-critical facilities where power stability is paramount.

Related Products

• 9907-164: Complementary actuator for governor control systems
• PROACT 4: Power management system for integrated generator control
• 2301D: Woodward digital speed controller