Woodward 9905-387 ProAct drive modules

製品紹介

The Woodward 9905-387 is a highly reliable and durable digital speed control module from the 2301D series, engineered specifically for use in engine and turbine applications that require precise governing and load-sharing functionality. Designed for use in generator set and mechanical drive applications, the 9905-387 integrates advanced microprocessor technology to provide dependable, real-time engine control.

It features flexible configuration options via the built-in keypad or serial interface, allowing it to be adapted to various application demands. It supports isochronous load sharing, droop operation, and provides PID loop-based speed control for both single and parallel 台 operations.

This controller is an integral part / critical control systems in power generation, marine propulsion, and industrial process operations, where stable speed and load control is non-negotiable.

Product Advantages

• High Accuracy Control: Maintains engine or turbine speed precisely through advanced PID control algorithms.

• Multi-functionality: Combines speed control, load sharing, and system monitoring in one compact 台.

• Flexible Configuration: Setup can be done via front panel keypad or Modbus-compatible serial interface.

• Rugged Design: Built to operate in harsh industrial environments with high reliability.

• Remote Operation Ready: Integrated communications for remote monitoring and control.

• Wide Application サポート: Compatible with a wide range / prime movers and actuator systems.

Technical Specifications

Product Applications

• Power Generation Systems: Ensures optimal engine speed and load balancing across multiple generators.

• Marine Propulsion: Used to control main engine speeds in ships and vessels for efficient marine propulsion.

• Industrial Turbines: Controls steam or gas turbine speed and output power reliably.

• Oil & Gas Facilities: Maintains operational stability in critical compressor or pump control systems.

• Cogeneration Plants: Provides load sharing and stability between gas engines and utility supply.

• Remote Power ユニットs: Perfect for /f-grid or backup power systems requiring autonomous speed regulation.

Installation and Setup Instructions

1. Mounting:

   • Secure the 台 using the panel-mount screw holes provided.

   • Ensure proper ventilation around the controller for heat dissipation.

2. Electrical Connections:

   • Connect the power supply (18–40 VDC) to the designated terminals.

   • Input the speed sensor signal to the speed input terminals.

   • Connect actuator output and feedback signals as specified in the manual.

3. Communication Setup:

   • Connect RS-232 or RS-485 cable to allow configuration or remote monitoring.

   • Ensure Modbus settings match your supervisory system (baud rate, parity, etc.).

4. Configuration:

   • Use the onboard keypad and display to access menu settings.

   • Adjust PID settings, speed setpoints, and mode / operation.

   • 保存 configurations to onboard memory.

5. Testing & Commissioning:

   • Run functional tests to validate speed and load control.

   • Monitor performance under various load conditions.

10 De-AI Style FAQs (Q&A Format)

Q1: What is the main function / the Woodward 9905-387 controller?
A1: The 9905-387 is used to regulate engine or turbine speed and to facilitate load sharing among parallel 台s.

Q2: Can this controller handle both isochronous and droop control modes?
A2: Yes, it supports both modes and allows switching based on application needs.

Q3: Is the 9905-387 suitable for outdoor installations?
A3: While rugged, the 台 is designed for panel mounting inside control cabinets. Enclosure protection should be considered for outdoor setups.

Q4: What types / engines can it control?
A4: It is compatible with diesel, gas, and turbine engines, provided proper actuator and speed feedback systems are in place.

Q5: How is the configuration performed?
A5: Configuration is done via front panel keypad or through Modbus using RS-232/RS-485 communication.

Q6: Does the 台 store configuration settings after power loss?
A6: Yes, settings are saved in non-volatile memory and persist through power cycles.

Q7: Can it be used in marine vessels?
A7: Absolutely. It is widely used for speed control in marine propulsion and auxiliary generators.

Q8: What’s the typical startup time after power is applied?
A8: The system typically initializes in a few seconds, depending on configuration complexity.

Q9: Is s/tware needed for configuration?
A9: No s/tware is strictly required, though optional tools are available for PC-based setup.

Q10: How long is the expected service life?
A10: With proper installation and environmental control, it can operate reliably for over 5 years.

6 Related or Same-Series モデルs

1. Woodward 9905-386 – 2301D Digital Controller, forward-acting version

2. Woodward 9905-389 – Similar model with additional protective features

3. Woodward 9905-383 – Version with additional voltage inputs

4. Woodward 9905-384 – For reverse-acting actuator configurations

5. Woodward 9905-385 – Designed for droop-only applications

6. Woodward 9905-388 – 2301D for complex load-sharing with analog feedback

6 Popular モデルs from Woodward (With Key Specs)

会社情報

E-mail: [email protected]

Mobile：メールでのお問い合わせ

Whatsapp：メールでのお問い合わせ

Add: 中国福建省廈門市思明区呂嶺路2号 阿里山ビル 〒361006

サービス内容

当社は産業用オートメーション部品の供給を専門としており、1年間の保証を提供しております。当社の産業用オートメーション部品は世界中に販売されています。

当社は様々な国やメーカーの機器及びスペアパーツを提供し、複数拠点でのご不安や品質問題を解消するとともに、大きな価格メリットを実現しております。

製品詳細については、お気軽にお電話にてお問い合わせください。