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介绍了白银公司小铁山矿主提升机电控系统由ＴＫＤ－Ａ传统的继电器控制系统改造为ＴＫＤ－ＰＣ控制系统的具体情况，阐述了该系统中ＰＬＣ、ＶＳ－６１６Ｇ５全数字变频器的工作原理，剖析了ＰＬＣ及全数字变频器运用于提升电控系统中的独特之处。
This paper introduces the transformation from TKD-A traditional relay control system to TKD-PC control system for the small elevator company in Tieshan Iron Mine, and describes the work of PLC and VS-616G5 all-digital frequency converter in the system. Principle, analyzed the PLC and all-digital converter used to enhance the uniqueness of electronic control system.