PLC在PNF机自动控制中的应用

The Usage of PLC in Autocontrol System of PNF

主要阐述了基于PLC对CDT生产线上的PNF机进行电气改造的自动控制系统的设计 ,介绍了系统的基本组成 ,分析了PLC程序设计中的几个典型问题。该设计既满足了工艺对控制系统的要求 ,又达到了系统优化和集中管理的目的。

The system design based on PLC in electric retrofit of CDT production line's PNF is described It gives an interview of the system structure and analyses several typical problems in the PLC program design The design optimizes system and achieves the concentrated management