Loongson Technology(SH:688047) Xin Lang Cai Jing·2025-08-05 04:51Group 1 - Longxin Zhongke announced the successful operation of the NJ400 series PLC, based on Longxin processors, at the Xiluodu Hydropower Station, replacing Schneider's Premium series and Siemens' S7-300 series PLCs, marking a significant step towards domestic control system implementation [1][3] - The Xiluodu Hydropower Station has a total installed capacity of 13.86 million kilowatts, making it the largest hydropower station on the Jinsha River, and the cylindrical valve plays a critical role in ensuring the stable operation of the power station [3][4] - The NJ400 series PLC includes a CPU main control unit, communication module, and power module, and is designed to meet the high precision control requirements of the cylindrical valve control system, supporting various communication protocols and customizable functions [3] Group 2 - The successful deployment of Longxin processors in PLCs at Xiluodu, as well as at the Three Gorges and Xiangjiaba hydropower stations, represents a breakthrough in China's key technology for hydropower equipment, enhancing the country's energy security strategy [3][4]