Characters: rapid responsibility, high sensitivity. As its user terminal is high-performance industrial control computer, the operating interface and control system are both installed in industrial control computer, which guide the converter to run the corresponding interactions. Its high flexibility and high reliability can bear movement, striking, dusty and temperature difference. Its modular design simplifies the maintenance on system and also is very convenient for upgrading. Program controlled fountain is a program-controlled design which permutated and combined all kinds of lights and styles of water according to its pre-setting. It sends control signals by operating computer to keep water and lights changing.