Experiment no. 1 Control of a four-level elevator system using a programmable logic controller

介绍利用PLC可编程控制器在升降电梯中的应用,包括电梯逻辑时序控制、通信等功能的实现-Describes the use of elevators PLC programmable controller in the application, including the realization of the elevator logic timing control, communications and other functions