The Woodward ProAct P-Series FL Position Controller is a family of electric actuators with integral digital drivers, designed for on-engine mounting to control fuel rack positioning, timing, throttle valves, wastegates, and other functions. The actuator accepts position commands from a supervisory engine control and provides redundant command input failover with comprehensive diagnostics.

Key Features
Control
- Position control with analog, CAN, or PWM command inputs
- Analog inputs: 0–5 Vdc, 4–20 mA, or 0–200 mA (jumper selectable)
- Primary and backup position command with automatic failover
- CW/CCW configurable operation
- Integral digital driver with on-board intelligence
- On-line and off-line diagnostics
- Current limiting based on driver electronics temperature
Hardware & Interface
- Base or flange mount (Model IV base-mount only)
- High vibration and temperature rated for on-engine use
- 0.625-36 serrated tooth terminal shaft
- Optional rotation scale and indicator for visible travel detection
- Analog output (0–5 Vdc or 4–20 mA) for position indication
- Discrete fault output and remote shutdown input
- CAN communications and RS-232 service port
- Field programmable via PC with ProAct Service Tool
- Configuration files downloadable for same-model engines
Applications
- Engine fuel rack positioning
- Timing control
- Throttle valve and wastegate positioning
- Diesel, gas, and dual fuel engine applications
- Redundant position control systems
Drake Controls Services
Drake Controls is a Woodward Authorized Distributor. We stock ProAct P-Series FL actuators and provide configuration, commissioning, and repair. For repair or overhaul, submit a repair request or email service@drakecontrols.com.
