Research and Design of the Holiday lights Control System based on PLC

摘要

In the paper the system designs holiday lights for hotel based on PLC control. The first design is to determine the overall program design according to demands of hotel. The hardware design function is selecting module CPU and giving the corresponding external wiring diagram. The most important part is software design of the system, including the software flow chart and the trapezoidal chart procedure design. Debugging system that has been designed and observing the results. After testing to verify the system is operating normally and meets the design requirements.