bound4blue integrates Siemens technology into the eSAIL® system. This technology is a suction sail that harnesses the power of the wind to propel ships and reduce their dependence on fossil fuels. The reduction of fuel consumption and sustainability have been the major challenges in maritime transport for years. With Siemens’ digitalization technology, maximizing fuel savings and, consequently, reducing ship emissions are achieved. The role of Siemens has been crucial in ensuring that the ship’s control system is robust, autonomous, and requires minimal intervention from the ship’s crew.

The project execution required a careful balance between innovation and compatibility with established maritime systems, ensuring both technological advancement and operational continuity.

• By combining the technology of the SIMATIC S7-1500 PLC, Sinamics frequency converters, and WinCC Unified touch panels it's now possible to achieve smooth and precise rotation of the sail body and flap and to communicate with various components using specific naval protocols. 
• A demanding code is implemented in terms of aerodynamic control algorithms. An attractive user interface has also been integrated, facilitating navigation for the crew in a clear and intuitive way.  
• In terms of cybersecurity, Siemens’ technology in this project allows for the protection of equipment programs and encryption of communications. All of this is integrated into a system and employs the TIA Portal software to group the configuration and programming of all the equipment involved.  
• These digital tools also allow us to analyze data provided by weather stations. With this information, the best strategy for providing thrust to the ship in real-time is established, regardless of the route taken. This maximizes fuel savings and reduces emissions from ships.