Jiangsu Zijin Grand Theater, located at No. 20 Xiaohuowa Lane in Nanjing, the ancient capital of the Six Dynasties, was built in 2000 and is a modern theater built in Jiangsu Province to welcome the 6th China Art Festival. In 2022, a comprehensive upgrade and renovation were carried out, and the dimmer control system has adopted 5 RGB intelligent 7i series hybrid dimmer racks, with a total of 480 control circuits of dimmer relay hybrid dual-use drawer modules, as well as a full network decoding system compatible with sACN, ART net, and RGB net network protocols. The equipment installation and debugging were completed in December 2022