General Information
Manufacturer: Woodward

Model Number: 9907-164

Type: Digital Speed Control Module / Governor Card

Compatibility: Designed for use with Woodward 2301/ProAct control systems

Electrical Parameters
Input Voltage: 24V DC ±10%

Power Consumption: ≤12W (typical)

Speed Sensor Input:

Type: Magnetic pickup (MPU)

Frequency Range: 50–5000 Hz

Analog Inputs: 4 channels (configurable as 4-20mA or 0-10V)

Analog Outputs: 2 channels (4-20mA, isolated)

Digital I/O: 6 programmable channels (24V DC logic)

Performance & Control
Speed Control Range: 50–5000 RPM (software adjustable)

Control Accuracy: ±0.25% of setpoint

Response Time: <100ms (10% step change)

Control Modes: Isochronous/Droop, PID+ algorithm

Environmental Specifications
Operating Temperature: -40°C to +85°C (-40°F to +185°F)

Humidity: 5–95% non-condensing

Vibration Resistance: 5g (10–2000 Hz)

Protection Rating: IP20 (standard enclosure)

Communication & Programming
Protocols: Modbus RTU (RS-485), CANopen

Configuration: Woodward Toolkit™ software (Windows-based)

Firmware Updates: Field-upgradable

Mechanical Specifications
Dimensions: 120 × 80 × 25 mm (4.7 × 3.1 × 1.0 in)

Weight: 0.4 kg (0.9 lb)

Mounting: DIN rail or panel mount

Connectors: Screw terminals (removable)

Certifications & Compliance
EMC: EN 61000-6-2/4

Safety: UL 508, CE Marked

Marine: ABS/DNV-GL certified options

Typical Applications
Gas turbine speed regulation

Diesel engine governing

Power generation load sharing

Compressor control systems

Note: For detailed wiring diagrams and configuration guides, refer to Woodward Manual 82715. Specifications may vary by application – consult factory for critical installations.