Description
The WOODWARD 8404-010 ProAct Digital Plus Electrical Actuator is an advanced engine control actuator designed with an integrated digital driver for precise fuel rack, throttle valve, timing control, and other engine positioning applications. It combines actuator mechanics, electronic driver technology, feedback sensing, and communication functions into a compact unit.
The ProAct Digital Plus series provides fast bi-directional positioning, closed-loop control, and programmable configuration through digital communication. It supports multiple command inputs including analog signals, PWM input, and optional CAN communication, making it suitable for diesel engines, gas engines, generator sets, and industrial power control systems.
8404-010
🔹 Product Parameters
| Parameter | Description |
|---|---|
| Brand | WOODWARD |
| Model | 8404-010 |
| Series | ProAct Digital Plus |
| Product Name | Digital Plus Electrical Actuator with Integral Driver |
| Origin / Place of Origin | USA |
| Product Status | New Surplus / Available for Industrial Replacement |
| Dimensions | Approx. actuator housing size varies by model configuration |
| Weight | Approx. 11 kg (25 lb) for Model II configuration |
| Power | 24 VDC nominal, 18–32 VDC operating range |
| Discontinued | No, widely used in industrial engine control applications |
🔹 Technical Features
⚙️ Integrated digital driver eliminates the need for an external actuator amplifier.
⚙️ Supports closed-loop position control with Hall-effect feedback sensing.
⚙️ Compatible with 4–20 mA, 0–200 mA, PWM, and CAN-based control signals.
⚙️ Designed for high-speed response and accurate engine fuel management.
⚙️ Suitable for harsh industrial environments with vibration, temperature, and chemical resistance requirements.
🔹 Common Questions & Answers
Q: What is the main application of the WOODWARD 8404-010?
A: It is mainly used for engine fuel control systems, including diesel and gas engine speed regulation, fuel rack positioning, throttle control, and generator applications.
Q: Does this actuator require an external driver module?
A: No. The ProAct Digital Plus actuator includes an integral electronic driver, reducing external control hardware requirements.
Q: What power supply does the 8404-010 use?
A: The actuator normally operates from a 24 VDC power supply with an acceptable range of 18–32 VDC.
Q: What communication methods are supported?
A: Depending on configuration, it supports analog input, PWM control, RS-232 service communication, and CAN communication options.
Q: How can unstable actuator movement be diagnosed?
A: Check power supply stability, wiring connections, command signal accuracy, feedback calibration, and configuration parameters in the control software.
🔹 Recommended WOODWARD Models
- WOODWARD 9905-867 ProAct Digital Plus Actuator Driver
- WOODWARD 9905-027 ProAct Actuator Control Module
- WOODWARD 9907-205 Digital Speed Control
- WOODWARD 9907-838 505 Digital Governor Control
- WOODWARD 505XT Digital Governor
- WOODWARD 505E Digital Governor Control
- WOODWARD 723 Digital Speed Control
- WOODWARD 2301A Load Sharing Speed Control
- WOODWARD 2301E Electronic Load Sharing Control
- WOODWARD 8440-2151 EasyGen Controller
- WOODWARD EGCP-2 Generator Control Package
- WOODWARD EGCP-3 Generator Control System
- WOODWARD 8272-301 Speed Control Unit
- WOODWARD 723PLUS Digital Control
- WOODWARD NetCon Control System
