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本文介绍一种设计安全联锁系统的新方法，它的基本思想是采用可编程控制器（ＰＲＯＧＲＡＭＭＡＢＬＥＣＯＮ－ＴＲＯＬＬＥＲ或ＰＲＯＧＲＡＭＭＡＢＬＥＬＯＧＩＣＣＯＮＴＲＯＬＬＥＲ—ＰＬＣ）替代过去的继电器和专用逻辑的控制，组成分布式系统，以提高可靠性和可维护性，增加灵活性，缩短工期，节省人力和资金。一台多媒体ＩＢＭ－ＰＣ兼容机用作上位机，监控整个系统。
This article describes a new method of designing a safety interlock system whose basic idea is to use programmable controllers (PROGRAMMABLECON-TROLLER or PROGRAMMABLELOGICCONTROLLER-PLC) instead of past control of relays and dedicated logic to form a distributed system to improve reliability Sexual and maintainability, increase flexibility, shorten the construction period, save manpower and money. A multimedia IBM-PC compatible is used as a host computer to monitor the entire system.