Woodward 9907-076 power supply

The Woodward 9907-076 is a high-performance digital speed control unit, designed specifically for precise and reliable control of prime movers such as diesel engines, gas engines, and steam turbines. As part of the 2301D series, this unit provides state-of-the-art digital control with the familiar look and feel of Woodward’s legacy analog controllers. The 9907-076 combines modern microprocessor technology with robust industrial design, making it ideal for applications where performance, durability, and ease of integration are critical.

This controller supports load sharing and speed control via multiple input configurations and is compatible with Woodward’s actuators and other peripheral devices. Its advanced software functionality allows configuration using Woodward ToolKit software via an RS-232 or Ethernet interface.

Product Advantages

• Digital Precision: Uses advanced microprocessor-based algorithms for extremely accurate speed control.

• Drop-in Replacement: Fully compatible with older analog 2301A and 2301A LST models, simplifying upgrades.

• Flexible Input/Output: Features analog, discrete, and communication inputs/outputs for versatile integration.

• Real-time Monitoring: Built-in diagnostics, LED indicators, and PC interfacing provide real-time feedback and easier troubleshooting.

• Durable Construction: Designed for operation in harsh industrial environments, including high-vibration and wide temperature ranges.

• Software Configurable: Easily configurable through Woodward’s ToolKit software, reducing setup time and offering a high level of customization.

Technical Specifications

Product Applications

The Woodward 9907-076 is used across a wide range of industrial sectors, particularly where engine and turbine speed regulation is required. Common applications include:

• Generator set control (gensets)

• Industrial gas/diesel engine control

• Steam turbine control in power generation

• Compressor drive systems

• Pumping systems

• Marine propulsion and auxiliary engines

• CHP (Combined Heat and Power) systems

Its digital control capabilities and communication features make it particularly suitable for applications that require integration with SCADA or DCS systems.

Installation Guidelines

1. Mounting: Install in a clean, dry, and vibration-resistant control panel using the provided panel mount or optional DIN rail clips.

2. Wiring: Use shielded cables for MPU and communication lines. Ensure grounding is done per Woodward recommendations.

3. Power: Connect a stable 18–40 VDC power supply. Ensure polarity is correct to avoid damage.

4. Sensor Input: Connect the magnetic pickup (MPU) or compatible speed signal source. Calibrate using ToolKit software.

5. Actuator Interface: Connect to a compatible Woodward actuator. Adjust PID parameters as required.

6. Software Configuration: Use Woodward ToolKit software for parameter tuning, I/O mapping, and firmware updates.

FAQ

Q1: What type of actuator can be used with the 9907-076?

A1: The 9907-076 is compatible with all standard Woodward proportional actuators designed for 20–160 mA control signals.

Q2: Can the 9907-076 be used in marine environments?

A2: Yes, provided it is installed inside a properly sealed control cabinet to protect from salt, humidity, and vibration.

Q3: Does the unit support Ethernet communication?

A3: The 9907-076 primarily supports RS-232 and Modbus RTU. For Ethernet functionality, a different model or external gateway may be required.

Q4: Can this controller be hot-swapped?

A4: No. Always power down the system before installing or removing the controller.

Q5: What kind of software is used for configuration?

A5: Configuration and monitoring are performed using Woodward ToolKit, available from the official Woodward site.

Q6: Is the 9907-076 backward compatible with analog 2301A controllers?

A6: Yes, it is designed to be a digital upgrade path for 2301A and 2301A LST models.

Q7: How do I perform firmware updates?

A7: Firmware can be updated via the ToolKit interface through RS-232. Ensure that proper update files are obtained from Woodward.

Q8: Does the unit have built-in PID control?

A8: Yes, it offers adjustable PID control parameters that can be tuned to suit specific application dynamics.

Q9: Is this unit field-serviceable?

A9: While robust, internal repairs should only be performed by certified technicians. However, configuration changes can be made easily in the field.

Q10: What maintenance is required?

A10: Periodic inspection of wiring, firmware updates, and review of performance logs is recommended. No mechanical maintenance is needed.