Woodward 8405-223 ProAct Series Digital Electric Actuator

Product Description

High-Precision Mechanical Positioning Control

The Woodward 8405-223 is a high-performance digital electric actuator driver belonging to the ProAct™ series. This unit is specifically engineered to provide superior mechanical positioning and precise movement control for prime movers. It acts as the intelligent interface between the engine control system and the physical actuator, translating electronic demands into accurate mechanical torque. Designed for mission-critical applications in power generation and marine propulsion, the 8405-223 ensures stable engine governing and fuel rack positioning under varying load conditions.

Advanced Control Logic and Feedback

A core technical advantage of the 8405-223 is its versatile input signal processing and integrated closed-loop feedback mechanism. The unit supports multiple control architectures, including PWM and standard analog loops, providing a real-time 0.5–4.5 V position feedback signal to the master controller. This ensures that the actuator maintains the exact commanded position, compensating for mechanical resistance or thermal expansion. Its digital display provides engineers with instantaneous operating status and fault diagnostics, significantly reducing troubleshooting time during field commissioning.

Detailed Technical Specifications

The following table summarizes the electrical, mechanical, and functional parameters for the 8405-223.