Overview

The Woodward 9906‑619 Plus Digital Control is a microprocessor‑based governor control. It is widely used in power generation, marine propulsion, oil & gas, and industrial engines. The unit regulates engine/turbine speed, load sharing, and system protection, ensuring reliable operation under demanding conditions.

This model is part of the 723 Plus series, which replaced earlier analog governors with digital precision and flexibility.

Technical Specifications

Key Features

• Digital Precision: Provides accurate speed and load regulation compared to older analog governors.

• Flexible Inputs/Outputs: Accepts MPU or proximity switch inputs; delivers analog/digital outputs.

• Wide Voltage Range: Operates on 18–40 V DC, suitable for varied installations.

• Communication Ready: RS‑232 and RS‑485 ports for integration with plant systems.

• Rugged Design: Operates reliably in harsh environments (–40 °C to +70 °C).

• Certified Safety: CSA and CE compliant for industrial use.

Typical Applications

• Power Generation: Diesel and gas engines driving generators.

• Marine Propulsion: Engine governors for ships requiring precise synchronization.

• Oil & Gas: Compressor and pump control in refineries and pipelines.

• Industrial Engines: Heavy machinery requiring reliable speed/load control.

FAQ

Q1: What is the main function of the 9906‑619?

A1: It provides digital governor control for precise speed and load regulation of engines/turbines.

Q2: What voltage does it operate on?

A2: It supports 18–40 V DC, with nominal 24 or 32 V DC operation.

Q3: What communication options are available?

A3: It includes RS‑232 and RS‑485 ports for integration.

Q4: Is it certified?

A4: Yes, it is CSA certified and CE compliant.

Q5: What environments can it operate in?

A5: It is rated for –40 °C to +70 °C operation.