Woodward 9907-031 Digital Control Module

The Woodward 9907-031 Digital Speed Control provides precise and stable speed regulation for reciprocating engines in generator set service.
Moreover, this controller belongs to the proven 723 Digital Speed Control Series, trusted globally in power generation applications.

Technical Specifications

• Model: 723 Digital Speed Control

• Part number: 9907-031

• Operating temperature: -40 to +70 °C

• Storage temperature: -55 to +105 °C

• Power consumption: 40 W

• Input voltage range: 18 to 40 Vdc low-voltage operation

• Weight: 2.95 kg (6 lbs 8 oz)

• Dimensions: 41.28 x 29.21 x 6.04 cm

• Discrete inputs: Eight configurable digital inputs

• Analog inputs: Four analog inputs plus dedicated load-sharing input

• Analog outputs: Two 0–1/4–20 mA and two 0–20/0–200 mA outputs

• Manual references: 02784, 02817, 25182

Typical Applications and System Integration
For instance, generator sets in standby or prime power service rely on this controller for stable speed control.
Moreover, it integrates smoothly with Woodward synchronizers, governors, and plant-level power management systems.

FAQ

What engine types are compatible with the Woodward 9907-031 digital speed control unit?
It is designed specifically for reciprocating engines used in generator set and power generation applications.

Can the controller support load sharing and synchronization between multiple generator sets?
Yes, DSLC compatibility enables digital synchronization and precise load sharing across parallel generator systems.

How is configuration and tuning performed during commissioning or maintenance activities?
Engineers can program and adjust parameters using the Woodward Hand Held Programmer or RS-422 computer interface.