可编程控制器PLC是以微处理器为核心的通用工业控制装置,它将传统的继电器接触器控制系统与计算机控制技术紧密结合,集计算机、控制、通讯于一体,具有可靠性高、通用性强、应用灵活、易于使用维修方便、价格便宜等优点,为工业自动化提供了近乎完美的自动控制装置。本文利用PLC的可靠性高及抗干扰能力强等特点,介绍了PLC在数控机床中的应用,为后续的工程设计提供了理论参考。 PLC is a microprocessor-based universal industrial control device, which will be the traditional relay contactor control system and computer control technology closely integrated computer, control, communications in one, with high reliability, versatility Strong, flexible application, easy to use and easy maintenance, low price, etc., for industrial automation provides almost perfect automatic control device. This article uses the PLC’s high reliability and anti-interference ability and other characteristics, introduced the PLC in CNC machine tools for the follow-up engineering design provides a theoretical reference.