Modbus 主站串口通信程序，主要可以实现与Modbus 从站设备的连接，本程序主要用于与ABB变频器的连接，可以控制电机的起停与控制。-Modbus master serial communication procedures, can be achieved mainly with Modbus slave devices connected, this program is mainly used for connecting ABB drives can be controlled w

伺服电机控制 Modbus命令帧生成程序. 波形记录 数据的采集与显示 串口通讯 PID控制(Servo motor control. Modbus command frame generation program. Waveform recording. Data collection and display. Serial communication. PID control.)