The ABB UNITROL PC D231 B: PEC80-CCI (3BHE025541R0101) is a sophisticated control module designed for advanced power system applications. This product integrates seamlessly with ABB's UNITROL system for effective regulation and management of excitation in synchronous machines. Featuring robust processing capabilities and an intuitive interface, the UNITROL PC D231 B facilitates precise control and monitoring, enhancing the operational efficiency and reliability of your power systems. Its compact design allows for easy installation and integration into existing frameworks, making it ideal for various industrial environments. With advanced diagnostic features, this module supports proactive maintenance and ensures optimal performance under diverse operating conditions.