【摘要】 介绍一种可编程序控制器ＰＬＣ实现的专用多功能磁卡式电子密码锁的设计思路和主要功能的硬件和软件实现过程．更多还原

【Abstract】 This paper introduces a designing process of a kind of multifunctional disc electronic cipher lock for special purposes.This paper discusses in detail the designation and the main functions of the electronic cipher lock,and the process of its realization through its hardware and seftware,and the various controlling functions of PLC such as logical controlling,sequential operation,timing,counting and mathematic calculation.更多还原