“三步法”将继电器控制电路图转换为PLC梯形图

摘要

论文主要讨论如何将继电器控制电路转换为PLC梯形图，以电动机正反转控制电路为例说明了具体转换过程。%the paper mainly discusses how to transform relay control circuit of PLC ladder diagram, motor and reversing control circuit, for example illustrates the specific conversion process.