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着眼于研究一套基于Profibus协议的西门子S7系列PLC和丹佛斯VLT系列变频器的控制系统。通过详细地讲述控制系统的通信配置、参数设置以及通信程序编写等问题,得出VLT系列变频器控制系统的设计方法。实验室结果显示,该控制系统运行稳定,可控性很高,实际生产中在制丝生产线也得到广泛的应用。
Focus on the study of a set of Profibus-based Siemens S7 series PLC and Danfoss VLT series inverter control system. Through detailed description of the control system communication configuration, parameter setting and communication programming and other issues, come to VLT series inverter control system design. Laboratory results show that the control system is stable, highly controllable, the actual production of silk production lines have also been widely used.