General Information
Manufacturer: Woodward

Part Number: 8272-583

Type: Digital Control Module (I/O Expansion or Governor Accessory)

Compatibility: Designed for Woodward 2301/ProAct control systems

Primary Application: Turbine/engine speed control, power generation

Electrical Parameters
Power Supply:

Voltage: 24V DC ±10%

Consumption: ≤12W (typical)

Inputs:

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

Digital: 6 channels (24V DC wet contact)

Speed Sensor: Dual MPU inputs (50–5000 Hz)

Outputs:

Analog: 2 channels (4-20mA, isolated, 500Ω max load)

Digital: 4 relay outputs (Form C, 5A @ 30V DC)

Performance & Control
Control Modes: Isochronous/Droop, PID+ algorithm

Speed Range: 50–5000 RPM (software adjustable)

Accuracy: ±0.25% of setpoint

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

Environmental & Mechanical
Operating Temp: -40°C to +85°C (-40°F to +185°F)

Humidity: 5–95% non-condensing

Vibration: 5g (10–2000 Hz)

Enclosure Rating: IP20 (NEMA 1 equivalent)

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

Weight: 0.4 kg (0.9 lb)

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

Software: Programmable via Woodward Toolkit™

Firmware: Field-upgradable

Certifications
EMC: EN 61000-6-2/4

Safety: UL 508, CE, RoHS

Marine: ABS/DNV-GL options available

Typical Applications
Gas turbine control

Diesel engine governing

Compressor anti-surge systems

Hybrid power plant management

Note: For installation and wiring details, refer to Woodward Manual 82715. Specifications may vary by configuration—consult factory for critical applications.