Woodward 9905-864 | Turbine Control Module Recommended products

Overview

The Woodward 9905-864 is a multi-loop digital control module designed for precise control and protection of industrial engines and turbines. It manages speed, load, and safety logic while integrating analog and digital I/O to control actuators, sensors, alarms, and protection relays. It is suitable for power generation, mechanical drives, and turbine-based systems.

General Information

Part Number: 9905-864

Manufacturer: Woodward

Brand / Country of Origin: Woodward / USA

Series: 9900 Series / Peak 150 Control Platform

Type: Digital Control Module (Engine/Turbine Controller)

Mounting: Panel or rack-mount in control cabinet; rugged enclosure for industrial environments

Technology: Microprocessor-based control logic, multi-loop control (speed, load, auxiliary functions), configurable relays

Power Specifications

Power Input: 90–150 V DC or 88–132 V AC

Power Consumption: Up to approx. 38 W depending on configuration

Protection: Designed for safe operation in industrial conditions with isolation and protection against electrical disturbances

Communication & Interface

Inputs: Speed sensor inputs (magnetic pickup/MPU), analog inputs (4–20 mA or 1–5 V), multiple discrete inputs for start/stop/reset/enable signals

Outputs: Configurable relay outputs (trip, alarm, shutdown), analog outputs for actuator control (4–20 mA), discrete digital outputs for auxiliary control

Control Functions: Speed regulation, load sharing, isochronous speed control, overspeed protection, trip/alarm management, multi-loop control (speed, load, auxiliary parameters)

Environmental & Protection

Operating Temperature: –40 °C to +85 °C

Enclosure / Protection Rating: NEMA 4X (weatherproof, dust and water resistant), suitable for industrial, marine, or power-plant environments

Dimensions & Weight

Dimensions (L × W × H): 483 x 310 x 105 mm 

Weight: ~1.0 kg

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