本文介绍一种PLC 间通信的步进电机远程闭环控制的方案,主要介绍了系统构成、主 站和从站的程序编制,步进电机的驱动实现,该方案简单、实用,适合用于作业与控制分离的场合。 关键词:PLC 间通信,步进电机,远程控制,闭环控制 Abstract:This paper introduce a design of step motor remote feedback control which communicate between plc ,main introduce the system composition、the program of master station and slave station, the realization of step motor drive, this design is simple、powerful use, used in the field that operation and control in two different place. Keyword: communication between PLC,step motor, remote control ,closeloop feedback control