Overview
The Woodward 9905-068 2301A is an electronic governor module used for precise control of engine speed and load in industrial and marine applications. It ensures accurate fuel delivery, stable engine operation, and effective load sharing under varying operational conditions.
General Information
Part Number: 9905-068 2301A
Manufacturer: Woodward
Brand / Country of Origin: Woodward / USA
Series: 9900 Series Electronic Governors
Type: Electronic Engine Governor Module
Mounting: Panel or engine-mounted installation
Technology: Digital closed-loop control with programmable setpoints and fault monitoring
Power Specifications
Supply Voltage: 12–32 V DC
Power Consumption: < 15 W
Input: Powered from engine control or auxiliary DC supply
Protection: Over-voltage, reverse polarity, and short-circuit protection
Indicators: LEDs for power, status, and fault indication
Communication & Interface
Interface Ports: Analog and digital inputs/outputs for engine speed sensors and actuators
Function: Maintains desired engine speed, supports load sharing, and provides droop compensation
Diagnostics: Integrated fault detection, alarms, and speed deviation monitoring
Operator Interface: Manual potentiometers or software configuration
Reset Features: Supports soft reset and parameter re-initialization
I/O & Channels
Relay Channels: Optional relay outputs for alarms, shutdowns, or auxiliary devices
External Load Support: Drives fuel actuators, solenoids, and other engine control devices
Environmental
Operating Temperature: –40 to +85 °C
Humidity: Up to 95% RH, non-condensing
Protection Rating: IP65 with proper enclosure or mounting
Dimensions & Weight
Dimensions (L × W × H): 160 × 110 × 65 mm
Weight: ~1.0 kg
