范文编号:ZD716 范文字数:2765,页数:9 摘 要 现代工业设备大量采用PLC作为主控制系统,PLC作为整个设备的核心部件,其软件包涵了生产工艺,控制逻辑,设备数据,加工参数及信息通讯等重要内容,变频调速技术是一种以改变交流电动机的供电频率采达到交流电动机调速目的的技术。使用PLC和变频器可实现多段速控制,本文结合电动机五段速控制的应用,阐述了PLC和变频器实现多段速在工厂里传送带上的应用。 The modern industry equipment uses PLC to take the primary control circuit massively, PLC takes the entire equipment's core part, its software has forgiven the technique of production, the control logic, the equipment data, the processing parameter and the information communication and so on important content, the frequency conversion velocity modulation technology is one kind changes motor's power supply frequency to pick serves the motor velocity modulation purpose the technology. Uses PLC and the frequency changer may realize the multistage fast control, this article unifies the electric motor five sections of fast controls the applications, elaborated PLC and the frequency changer realize the multistage fast in the factory on conveyer belt's application.
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