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電磁鐵推拉力測試系統(tǒng)——控制部分 摘要：電磁鐵在我們的日常生活中到處可見，應(yīng)用非常廣泛，生活中我們越來越離不開它。電磁鐵是一種電器，它被廣泛應(yīng)用于機床、起重機等大型機電設(shè)備中。電磁鐵的靜態(tài)力性能直接影響到由它所構(gòu)成的元件及裝置的整體性能，進行電磁鐵的靜態(tài)力特性分析，對電磁鐵的設(shè)計制造和實際應(yīng)用具有一定的參考價值。本論文基于PLC控制步進電機和滾珠絲桿組成的機構(gòu)，應(yīng)用力傳感器技術(shù)，對電磁鐵進行推拉力測試，得到其推或拉力與銜鐵位移之間的關(guān)系曲線。對西門子S7-200 PLC系統(tǒng)和步進電機進行深入學(xué)習(xí)，掌握了西門子S7-200 PLC系統(tǒng)的組成、基本指令及其功能指令。理解的步進電機的工作原理及其驅(qū)動控制技術(shù)，實現(xiàn)了PLC對步進電機的控制。 關(guān)鍵詞：電磁鐵，S7-200，步進電機，驅(qū)動器 Solenoid Push Pull Test System - Control Part Abstact：Electromagnet in our daily life everywhere, is widely used in daily life more and we can not do without it. Is an electrical solenoid, which is widely used in machine tools, cranes and other large electrical and mechanical equipment. Electromagnet static forces directly affects the performance of its composition from the overall performance of components and equipment to carry out the static force analysis of the electromagnet, the electromagnet of the design and manufacture and application has some reference value. This paper, based on PLC control of stepping motor and ball screw institution, application of force sensor technology, push pull solenoid for test, get the push or pull the relationship between the keeper and the displacement curve. Siemens S7-200 PLC system and the stepper motor in-depth study and master the Siemens S7-200 PLC system components, basic commands and features instruction. Understand the working principle of stepper motor and drive control technology, the PLC on the stepper motor control. Key words：Electromagnet, S7-200, stepping motor, drive