Woodward CSC3LG120 CSC3 Control Module — Governor Control and Signal Processing

Brand WOODWARD

Model Woodward CSC3LG120 CSC3

The Woodward CSC3LG120 is a dedicated CSC3 control module that forms part of Woodward’s governor and prime-mover control architecture. It is designed to process critical control signals and execute precise governor functions for engines, gas turbines, steam turbines and generator sets. Within a Woodward control system, the Woodward CSC3LG120 acts as the interface between the system’s control logic and the actuator or governor hardware, converting control decisions into accurate drive signals while monitoring feedback to maintain stable operation.

This module belongs to the CSC3 / CSC3LG equipment family and is positioned as a control and signal-processing component rather than a general-purpose PLC. Its role is to support the demanding timing and accuracy requirements of speed governing, load control and actuator positioning. The Woodward CSC3LG120 is therefore commonly used in power-generation and mechanical-drive applications where precise control of fuel, steam or other prime-mover inputs is essential.

Built for industrial environments, the module operates from a 24 VDC supply and is engineered to function across a wide temperature range. Its compact, rugged construction makes it suitable for mounting inside control cabinets and engine-control enclosures. By combining accurate signal processing with reliable electronic design, the Woodward CSC3LG120 helps maintain consistent governing performance, reduce control drift and support long-term availability of critical rotating equipment. It is a practical choice for both new installations and replacement of existing CSC3-series control hardware.

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Description

Technical Specifications

Parameter Name	Parameter Value
Product Model	CSC3LG120
Manufacturer	Woodward
Product Type	CSC3 Governor / Control Module
Control Function	Governor control and signal processing
Compatible Systems	Woodward CSC3 / CSC3LG governor and prime-mover control platforms
Power Supply	24 VDC nominal
Power Consumption	Approximately 5 W
Operating Temperature	-40 to +85 °C
Enclosure / Protection	Industrial control-module construction
Mounting	Control cabinet or panel installation
Dimensions	120 × 100 × 60 mm
Weight	1.2 kg
Origin	USA
Status Indication	Onboard status / diagnostic indicators

Main Features and Advantages

The Woodward CSC3LG120 is engineered for the exacting requirements of governor control, where stable speed regulation and accurate actuator response are essential. As a dedicated CSC3 control module, it provides the precise signal processing needed to maintain consistent prime-mover operation under changing load and process conditions.

Its compatibility with Woodward CSC3 and CSC3LG governor platforms makes the Woodward CSC3LG120 a logical choice for systems already using Woodward control hardware. This allows the module to integrate cleanly into existing turbine, engine or generator installations without wholesale re-engineering of the control architecture.

The module operates from a standard 24 VDC supply with low power consumption, simplifying integration into conventional industrial control panels. Its wide operating temperature range supports reliable performance in demanding environments, including engine rooms, power plants and outdoor equipment enclosures. The rugged industrial construction of the Woodward CSC3LG120 helps ensure long service life and stable operation under continuous duty.

Onboard status indication provides a quick visual check during commissioning and troubleshooting, helping maintenance personnel verify module operation without extensive test equipment. Together, these features make the module a dependable component for governor and actuator-control applications where accuracy, compatibility and serviceability matter.

Application Field

The Woodward CSC3LG120 is principally used in power generation and mechanical-drive applications. In gas-turbine and steam-turbine control systems, it supports governor functions and processes the control signals required for stable speed and load regulation. Its accuracy and responsiveness make it well suited to applications where small control deviations can affect efficiency, equipment life or grid stability.

For generator sets and engine-driven equipment, the Woodward CSC3LG120 can be applied wherever precise governing and actuator control are required. It is commonly integrated into control panels for diesel, gas and other prime movers, providing the interface between higher-level control logic and the final actuator or fuel-control hardware.

The module is also suitable for industrial process and energy applications where prime-mover control must remain stable under variable loads and changing environmental conditions. Its wide temperature rating allows deployment in both indoor and outdoor installations, while its compact dimensions make it practical for retrofits where cabinet space is limited. Across these applications, the Woodward CSC3LG120 helps maintain precise control of rotating machinery and supports reliable, long-term operation of critical assets.