基于西门子S7200系列PLC的自动轧钢机系统设计与实现

Abstract: This paper is a study on the automatic steel rolling machine system based on the Siemens S7-200 PLC structure. It provides an overview of the origin and development of automatic steel rolling machines, as well as the current status of its development in China. The paper explores the design of the automatic steel rolling machine system based on the Siemens S7-200 PLC, detailing the basic components, characteristics, and working principles of PLC. The document also delves into the detailed design process of the automatic steel rolling machine system. The paper thoroughly introduces the hardware components of the automatic steel rolling machine and completes the external wiring diagram of the PLC. The programming of the PLC ladder diagram was done using the Siemens PLC ladder diagram professional compilation software STEP7. The basic principles and working processes of the automatic steel rolling machine are elaborated upon. The role of the programmable controller in the automatic steel rolling machine is explained in detail. The program covers the majority of the processes involved in the operation of the automatic steel rolling machine. The use of PLC-controlled automatic steel rolling machines enhances system stability and ensures long-term stable operation of the machine. Keywords: Programmable Controller; Automatic Steel Rolling Machine; Ladder Diagram; Inverter; Control System. Overall, this paper provides a comprehensive study of the automatic steel rolling machine system based on the Siemens S7-200 PLC structure. It offers insights into the design, components, and working principles of the system, showcasing the advancements in automation technology in the steel industry. Through the use of programmable controllers and PLC technology, the automatic steel rolling machine system is able to operate efficiently and effectively, contributing to the advancement of the steel manufacturing process.