CSC4
Controller upgrade
Proven control technology for extended turbine life
The CSC4 controller represents our most advanced generation of converter control, designed to modernize your installed base, reduce downtime, and simplify service across your fleet.
Upgrading to CSC4 ensures that your turbines continue to operate with the same reliability you expecta but with the added benefit of faster diagnostics, improved communication, and stronger hardware stability. It’s a future-ready controller built for today’s operational demands.

State-of-the-art performance. Simplified service. Reliable operation.
Service
friendly
- Software installation and upgrades can be carried out by your trained technicians
- Prefabricated adapters for installation
- Multi language tool
- All converter equipped with a CSC4 can be connected to ConverterTec OneAccess monitoring solution
Improved troubleshooting
- Extended monitoring functions
- Faster and more stable remote access to the converter’s control and analysis unit
- Improved trigger and event recorder supporting in-depth analytics
Reduced service
costs
- Reduced system price
- Reduces storage costs due to less variants
- Higher system stability
- Lower service costs by self programmable software
Improved service characteristics
- State-of-the-art control technology
- Higher operational reliability proven in more than 15,000 systems worldwide

From CSC3 to CSC4, your seamless upgrade path
The CSC4 is designed as a direct upgrade for systems equipped with CSC3 controller technology, allowing a smooth transition without major redesigns. Installation uses existing interfaces and wiring, minimizing downtime and engineering effort.
Once installed, CSC4 controllers can be connected to ConverterTec CTSAnalytics, unlocking fleet-wide data access, condition monitoring, and predictive maintenance insights.
Compatible with both onshore and offshore turbines, CSC4 supports multi-brand operations and mixed fleets, helping you standardize your control technology and extend the lifespan of your assets.
What you gain:
- Higher operational availability and reliability across your wind farm
- Faster diagnostics and shorter troubleshooting cycles
- Standardized software and components for simplified logistics
- Direct upgrade from CSC3 with minimal engineering effort
- Scalable path to condition monitoring and analytics integration
Ready to enhance your turbine performance and reliability?
Get in touch to learn more about our solutions.