可编程控制器发展综述

Talk about technology of programmable logic controller

本文描述了可编程控制器 (PLC)的功能特点、应用领域及今后的发展趋势 ,并介绍了软可编程控制器技术和应用控制方案。

This paper presents the function feature, the application field and development trend of PLC. It introduces the soft PLC technique and the application control scheme too.