摘要
本文是作者将日立公司E系列PLC机应用于交通路口指挥灯控制系统的总结.这个系统既简单实用,又延时准确,调整方便,抗干扰能力强,占地面积小、投资少.该系统克服了继电器接触系统和计算机系统的缺点.对一般交通路口完全适用.文中给出了硬件线路及软件程序.
Abstrat: We have applied E - PLC of omnlon company to the thaffic sighal control system this system is simple and useful atnd is precise to delay time it is casyto requlate ancl oeeupy the little area , anel needs few investment it has overcome He defect of toach - relay anel computer sysytem it is also useful to general traffic intersection The paper has displsysd hard ware lines anel software - procedure.
