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PC机是PROGRAMMABLE CONTROLLERS的简称,60年代起源于美国。这种可编程序控制器可代替硬连接的继电器控制盘,并配有较强的软件系统,能把复杂的自控电路的操作控制,利用软件方式输入PC机中,从而实现程序控制及监控运行。随着PC机技术的不断完善,性能、价格上的优势日益明显,国际上目前以每年15～40％的速度增长。在我国,70年代末才开始引进这项技术,推广应用较迟缓。我刊本期发表陈端业及北京地区5个单位应用PC机的文章,以期引起重视。
PC is the abbreviation of PROGRAMMABLE CONTROLLERS, 60’s originated in the United States. This programmable controller can replace hard-connected relay control panel, and with a strong software system that can control the operation of complex automatic control circuit, the use of software into the PC, in order to achieve the program control and monitoring operations . With the PC technology continues to improve, performance, price advantage has become increasingly apparent, the current international annual rate of 15 to 40% growth. In our country, it was not until the late 1970s that the technology was introduced and its application was delayed. I published this issue in the journal Chen Duanye and five units in Beijing using PC articles, with a view to attracting attention.