摘要
介绍了一种基于FX2NPLC控制的变频调速的闭环控制系统 ,给出了工作原理 ,硬件及软件框图。实验结果表明该系统有优良的性能和推广应用价值。
This paper introduces the realization of closed loop control of Variable frequency drive in motor's intelligent measurement & control, The principle of system hardware and software block diagram. Furthermore, a procedure which regulates the parameters of discrete PID Controller by itself on line . The experimental results show the system has good performance and applicable value.