【摘要】 简要介绍了可编程控制器的产生、特点及应用领域，对国内外可编程控制器的应用情况进行了分析，讨论了近几年国内的应用经验及存在的不足，对可编程控制器的发展趋势作了科学的预测，并结合我国具体情况对国内可编程控制器的发展提出了建议．更多还原

【Abstract】 This paper present emergency background, chalacteristics and application realms of programmable programmable in brief, analyse and study production & applicaiton situation of PC domestic and abroad in detail, summarize some experience and weakness of application for latest years, and predict scientifically developing tendency of PC, the last part of the paper make some profitable suggestion according to factual situation of our country.更多还原