The ABB Symphony Plus SOE Master Module (SPSEM11) is a sophisticated digital control unit designed to enhance the operational capabilities of power generation and distribution systems. This module serves as an integral component of the Symphony Plus architecture, providing comprehensive support for sequence of events (SOE) recording. It offers high-resolution timestamping with precise synchronization, ensuring accurate event tracking for enhanced system analysis and troubleshooting. The SPSEM11 is equipped with multiple communication interfaces, enabling seamless integration with various field devices and control systems, while adhering to industry standards for reliable data exchange. Its robust design ensures durability and longevity in demanding environments, making it an essential tool for optimizing operational efficiency and reliability in industrial automation applications.