学 号:202501050227HEBEI UNITED UNIVERSITY毕业设计说明书GRADUATE DESIGN设计题目:对辊式破裂机控制系统设计学生姓名:刘文杰专业班级:09 电气 2 班学 院:电气工程学院指导老师:王海群 副教授 2025 年 05 月 29 日摘 要本说明书介绍了国内破裂机的进展现状及其存在的问题,同时介绍了可编程控制器 PLC 的工作原理及其编程软件 STEP7 的使用方法,另外说明书还介绍了西门子 MM440 变频器的使用。本设计是一种基于 PLC-300 程序的全自动对辊式破裂机控制系统,本设计包括硬件设计、软件设计两部分。本说明书第 6 章介绍了对辊式破裂机的硬件设计,硬件设计包括了对辊式破裂机的工艺、控制过程、硬件选择和硬件的接线。其中重点介绍了对辊式破裂机的控制过程及其硬件接线,并且配有系统控制原理图跟 PLC 硬件接线图各一套。本说明书第 7 章是对辊式破裂机的软件设计部分,软件设计包括了系统程序流程、PLC 的输入输出 I/O 分配、系统程序的编程。程序编程部分介绍了PLC 编程软件 STEP7 的安装和系统程序的编程过程。本章配有系统程序流程图、I/O 符号表。程序梯形图 3 套。关键词 对辊式破裂机;PLC-300;西门子 MM440 变频器AbstractThe manual describes the development of the domestic status quo Crusher and its problems, at the same time introduced the PLC programmable controller and its working principle STEP7 programming software to use, and specification also describes the use of Siemens frequency converter MM440. The design is a process based on the PLC-300 automatic oppositely rolling roller crusher control system, the design includes hardware design, software design in two parts. Chapter 5 of this manual describes the oppositely rolling roller crusher hardware design, hardware design, including the roller crusher technology, process control, hardware selection and wiring hardware. Which focuses on the oppositely rolling roller crusher control wiring process and its hardware, and system control with schematic wiring diagram with the set of hardware. Chapter 6 of this manual ...