西门子MM420变频器的模拟信号外部控制技术

Study on Analog Signal External Control Technology of Siemens MM420 Frequency Converter

阐述MM420变频器的模拟信号控制,包括了接线、参数设置、操作方法和步骤。通过实验,探讨对于变频器工作原理、参数设置、外部控制的认识。

This paper describes the analog signal control of MM420 frequency converter,including wiring,parameter setting,operation methods and steps.Through experiments,this paper discusses the understanding of the working principle,parameter setting and external control of the frequency converter.