Abstract: This paper discusses the method of transformation of hydraulic steel-belt float transfeeder at tank area with PLC. And the possibility is analysed from technique and economic performance.

• 摘要:文章结合作者的工作实践，论述了用plc改造罐区钢带浮子液位变送器的方法，并从技术角度和经济效益上分析了这种方法的可行性。