精通PLC编程（西门子、三菱），人机接口触摸屏、变频器、伺服驱动器、步进电机。
Proficient in PLC programming (Siemens), human-machine interface touch screen, frequency converter, servo driver, stepper motor.
利用USS协议实现PLC与变频器之间的通信可以弥补变频器硬件接口的不足，能够实现多级正反转调速。
USS protocol used for communication between PLC and inverter can compensate for the lack of hardware interface converter and could realize multi-level reversible speed.
利用USS协议实现PLC与变频器之间的通信可以弥补变频器硬件接口的不足，能够实现多级正反转调速。
USS protocol used for communication between PLC and inverter can compensate for the lack of hardware interface converter and could realize multi-level reversible speed.
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