对于过程控制用的计算机(或微处理机)系统(或装置)来说,可靠性和安全性是极其重要的指标,经济性和操作方便性也是不可忽视的方面。本文即介绍了作者对这两个问题作的尝试,重点介绍了一种新颖的操作面板和简单实用的安全保护系统。这些均在上海炼油厂投用成功。 Reliability and security are paramount metrics for process control computer (or microprocessor) systems (or devices), and economy and ease of use are also important aspects. This article describes the author’s attempts to address these two issues, highlighting a novel operator panel and a simple and practical safety protection system. These are successfully put into use in the Shanghai refinery.