介绍了基于OMRON公司可编程序控制器的步进电机控制系统设计,给出了可编程序控制器控制步进电机电气控制系统的硬件组成和软件设计,包括可编程序控制器输入输出接线图、梯形图程序设计和步进电机的驱动电路及可编程序控制器编程软件实现脉冲分配器功能的方法。(The design of the stepper motor control system based on OMRON PLC is introduced. The hardware composition and software design of the PLC control step motor electric control system are given, including the input and output wiring diagram of the programmable controller, the program design of the ladder diagram, the driving circuit of the stepping motor and the programmable sequence control. The function of the pulse distributor is realized by the programming software.)