The DC servo system developed based on PLC takes advantage of the strong expansion capability of PLC,and adds a manual delivery device to realize the visual operation of the DC servo system of industrial robot joints.The advantages are:(1)the control of the forward and reverse rotation of the motor can be realized through the program without changing the circuit structure;(2)the motor can be turned in the reverse direction immediately without waiting for the stop to rotate;(3)the motor can be stopped urgently,Avoid motor inertial rotation;(4)easy programming and maintenance.
基于PLC研制的直流伺服系统,利用PLC扩展能力强的特点,添装手动输放装置,实现工业机器人关节直流伺服系统的可视操作。其优点是:(1)无需改变电路结构,即可通过程序实现电机正反转的控制;(2)能够使电机不等待停止转动即可立刻反方向转动;(3)可令电机急停,避免电机惯性转动;(4)编程、维护方便。
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