Woodward 9905-211 | 2301A Series Engine Speed Controller

WOODWARD 9905-211 – 2301A Series Digital Speed Controller

Product Overview

The WOODWARD 9905-211 is part of the 2301A series of digital speed controllers, designed for precise and stable regulation of diesel, gas, and steam engines, as well as turbines. This controller is widely adopted in power generation, marine propulsion, and industrial process control applications.

Equipped with microprocessor-based logic, the 9905-211 enables accurate engine speed control, load sharing, and synchronization across multiple units. It supports droop or isochronous operation, automatic synchronization, and advanced load management, providing robust performance in demanding industrial environments.

Key Features

• Microprocessor-based digital speed control

• Supports isochronous, droop, load sharing, and synchronization modes

• Configurable speed range based on engine or turbine characteristics

• High environmental tolerance, suitable for harsh industrial conditions

• Analog 0–20 mA input signal with optional serial communication

• Compatible with panel or enclosure mounting

Technical Specifications