Configuration software refers to some special software for data acquisition and process control, which can realize the role of equipment monitoring and control. In modern industrial system, configuration software is widely used in power system, water supply system, petroleum, chemical industry and other fields. In the control of special mechanical equipment, configuration software and PLC technology also play an important role. This scheme takes the combination of Asia Control Company's KingView6.53 software and OMRONCJ series PLC as an example to explain in detail how configuration technology is applied in a large upgrading project.