Woodward 8404-1004 DCS L-Series Actuator Motor

The Woodward 8404-1004 is an L-Series integrated digital governor-actuator unit that delivers precise closed-loop speed control for diesel and gas engines via direct fuel-rack positioning, offering isochronous/droop governing and comprehensive protection features for genset, compressor, and marine applications.


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Description

Technical Specifications
  • Brand
    Woodward
  • Model
    8404-1004
  • Product Name
    L-Series Bi-directional Actuator Motor / Engine Speed Controller Throttle Governor
  • Country of Origin
    United States
  • HS Code
    8501109900
  • Dimensions
    125mm*125mm*86mm
  • Weight
    4.2kg
  • Operating Temperature
    -40℃ ~ +105℃ (-40℉ ~ +221℉)
  • Product Series
    L-Series Position Controller
  • Power Supply
    24VDC
  • Warranty
    12 month
  • Product Status
    New and original

Woodward 8404-1004 Complete Product Specification

Core Technical Parameters

1. Working Voltage- Rated Operating Voltage: 12VDC ~ 24VDC

Functional Allowable Voltage: 8VDC ~ 32VDC

2. Rated Working Current: 2.3A

3. Motor Rotation Travel Angle: 60° adjustable torque travel

4. Explosion-proof Grade: Class I Div 2 Groups ABCD, T3C

5. Communication Port: Built-in RS-232 debugging port

6. Installation Structure: 4 reserved standard mounting screw holes for fixed installation

8404-1004 .jpg

Woodward 8404-1004 Standard Wiring Method

Woodward 8404-1004 Standard Wiring Method

Wiring Definition & Steps

1. Power WiringPositive Terminal: Connect 8-32VDC external stabilized power supply positive pole;

Negative Terminal: Connect equipment common ground and power supply negative pole, ensure grounding resistance ≤4Ω;

2. Control Signal WiringAnalog Control Terminal: Connect 4-20mA external speed command signal from PLC/engine controller;

Feedback Terminal: Connect 4-20mA throttle position feedback signal to upper monitoring system for closed-loop monitoring;

3. Communication WiringRS-232 Port: Connect debugging computer to modify speed parameters, limit angle and protection threshold;

4. Wiring PrecautionsSeparate power cable and signal cable wiring to avoid electromagnetic interference;

Complete wiring sealing treatment for wiring ports to prevent dust and oil vapor ingress;

Complete power-off operation before wiring, confirm voltage matching before power-on test.

8404-1004.jpg

Woodward 8404-1004 Product Advantages

1. Ultra-wide industrial temperature adaptation, stable operation under high-temperature and low-temperature extreme working conditions, no speed drift failure;

2. Integrated bi-directional driving design, compatible with mainstream gas engine throttle control and fuel adjustment modules, strong equipment compatibility;

3. Built-in original factory default control parameters, plug-and-play for conventional engine models, low on-site debugging difficulty;

4. Die-cast aluminum alloy shell, anti-collision, anti-vibration and anti-dust, adapt to engine vibration working environment;

5. Standard RS-232 interface supports remote parameter modification, speed calibration and fault diagnosis, convenient post-operation maintenance;

6. Professional explosion-proof certification, safe for flammable and explosive gas workshop operating scenarios;

7. Mature legacy model, complete global spare parts maintenance system, stable supply of replacement and repair services.

8404-1004 .jpg

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