Ningbo Xinda Elevator Traction Technology Co., Ltd. , https://www.xinda-elevator.com 1. Introduction Generally, the control system of an electrolytic machining machine is required to work normally in a working environment of humid and corrosive gas for a long time, which is common to a general electrolytic machining machine using a control system composed of a separate component and a small-scale integrated circuit. Its implementation is quite difficult. The manufacture and adjustment of this control system consisting of a "hard-wired" approach