"基于西门子PLC的自动售货机系统设计"

The System Design for Automatic Vending Machine Based on PLC is a comprehensive study that focuses on the design and implementation of an automatic vending machine control system using Siemens S7-200 series PLC. The paper discusses the basic principles and working processes of the automatic vending machine system, and provides a detailed breakdown of the transaction process with programming examples. The programming of the system is done using Siemens PLC ladder diagram specialty software STEP7, and includes the completion of the PLC external wiring diagram. By utilizing PLC control for the automatic vending machine, the system stability is improved, ensuring the long-term stable operation of the vending machine. The key components of the system design include PLC, automatic vending machine, and control system. The paper addresses the importance of these components in creating an efficient and reliable vending machine system. The automatic vending machine system is crucial for businesses and service providers looking to automate their retail operations. By implementing PLC control, the system is able to perform transactions accurately and efficiently, providing a seamless experience for customers. Overall, the System Design for Automatic Vending Machine Based on PLC is a valuable resource for professionals in the electrical automation field, providing insight into the design and implementation of automated vending machine systems. The paper serves as a guide for those looking to enhance their vending machine operations through PLC control technology.