依次后移设置法在步进式控制线路设计中的应用

通过一个具有４步程序的步进式控制线路的设计实例，对依次后移设置法的概念、应用和效果作了详细介绍。

This paper describes the concept,application and offect of the setting method of shift in backward order in detail by a desing example for the step control circuit with four step programs.