A kind of the pulse control mode, the drive and motor closed loop, but not to the numerical control system, the feedback device, in a sense, can open loop control called the servo control.
The COM of IBM-PC applications for the counter of Opt-encoder pulse and the controller of AC -Servo are study in this paper.
探讨了PC的串行接口用于光电编码器的脉冲计数和伺服电机控制两种非通信功能的应用。
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The card can collect four axes' encoder pulse signals simultaneously, and control servo motor by four output analog voltage. Furthermore, it can control input and output I/O signals.