Description
The WOODWARD 8404-009 ProAct Digital Plus is an electric actuator with an integral digital driver, designed for engine control applications such as fuel-rack positioning, throttle-valve control, timing control, and wastegate positioning. The integrated driver accepts position commands through interfaces including 4–20 mA, 0–200 mA, PWM, and CAN, while onboard position feedback allows actual actuator position to be monitored by the control system.
The ProAct Digital Plus family uses an all-electric actuator design without requiring a separate hydraulic or pneumatic drive supply. It provides approximately 75° rotary travel, configurable digital control, diagnostic functions, and CAN communication suitable for electronically controlled engine and power-generation equipment.
8404-009
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| 🏭 Brand | WOODWARD |
| 🔢 Model | 8404-009 |
| 📚 Series | ProAct Digital Plus |
| ⚙️ Product Name | Electric Actuator with Integral Digital Driver |
| 🔄 Actuator Type | Bi-directional Rotary Electric Actuator |
| 🔌 Input Power | 18–32 VDC, 24 VDC nominal |
| 📡 Command Interfaces | 4–20 mA, 0–200 mA, PWM, CAN |
| 🔄 Nominal Rotation | 75° |
| 🌡️ Operating Temperature | -40 to +85 °C |
| 🛡️ Ingress Protection | IP56 |
| ⚖️ Weight | Model-dependent: approximately 11–24 kg |
| 🌍 Country of Origin | United States |
| 📦 Condition / Status | Used / Working condition as listed |
The exact 8404-009 listing identifies the unit as a Woodward ProAct Digital Plus actuator with integral driver and lists the country of origin as the United States.
⚡ Key Features
🔹 Integral Digital Driver — The driver is incorporated into the actuator assembly, reducing the need for a separate actuator drive unit.
🔹 Multiple Command Inputs — Supports analog current, PWM, and CAN-based positioning commands.
🔹 CAN Communication — CAN 2.0B communication supports configurable 250 kbps, 500 kbps, and 1 Mbps data rates, with SAE J1939 compatibility and Woodward proprietary extensions.
🔹 Position Feedback — The internal Hall-effect position sensing system provides actuator position information for control and monitoring.
🔹 Engine-Mounted Design — The actuator is designed for demanding engine environments, with an operating range of -40 to +85 °C and IP56 protection.
🔹 Digital Diagnostics — Onboard software and diagnostic functions support configuration, monitoring, and fault detection.
🛠️ Application
The ProAct Digital Plus is intended for electronically controlled engines and rotating equipment where accurate mechanical positioning is required. Typical applications include fuel-rack control, engine throttle control, timing mechanisms, and wastegate positioning. The actuator receives a desired position from an external control system and converts the command into mechanical rotary movement.
For replacement applications, verify the complete 8404-009 part number, actuator model, shaft configuration, mounting arrangement, electrical interface, and required torque before installation.
❓ FAQ
Q1: What is WOODWARD 8404-009?
A: It is a ProAct Digital Plus electric actuator with an integral digital driver.
Q2: What signals can control the actuator?
A: The ProAct Digital Plus family supports 4–20 mA, 0–200 mA, PWM, and CAN command interfaces.
Q3: What is the nominal actuator rotation?
A: The nominal output-shaft rotation is approximately 75°.
Q4: What power supply does it require?
A: The driver operates from an 18–32 VDC input range, with 24 VDC nominal.
Q5: Is 8404-009 suitable for engine applications?
A: The ProAct Digital Plus family is specifically designed for on-engine positioning applications including fuel-rack, throttle, timing, and wastegate control.
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