摘要
利用PLC中的概念继电器等功能,通过编制软件,实现无环流直流调速系统的逻辑控制器(DLC)的功能。
The functions of data link control (DLC) of non-circulating-current DC reversible speed system is realized by using software built with concept relay in programmable logic controller (PLC).
出处
《煤矿机电》
2009年第6期84-86,共3页
Colliery Mechanical & Electrical Technology