摘要
介绍一个用F1系列PLC控制的教室电铃自动装置 ,其性能可靠 ,计时准确 ,使用方便。并在文中详细介绍了硬件电路和软件设计。
An automatic device to control the ringer of classrooms using PLC of F1 series is introduced. The device is reliable, accurate in counting time, easy to use.The hardware circuits and software designs are described in detail.
出处
《华东地质学院学报》
2001年第4期345-348,共4页
Journal of East China Geological Institute
