The frequency converter can be operated according to the following steps under the normal operation state of the winch:

?? A. start: in the pre start state, press the "start" button on the touch screen to make the frequency converter drive motor run slowly to the set frequency. It should be noted that this button can work only when there is no fault alarm.

?? B. speed up: each time you press the "speed up" button on the touch screen, the output frequency of the frequency converter will rise by 1Hz (this button can work only in the variable frequency speed regulation operation). It can also be directly set to the desired frequency value through P50. Specific method: press the "set" button on the touch screen to pop up the parameter setting frame, enter 50 in the column "P parameter No.:", enter the preset frequency value in the column "P parameter download value:", and then press the "set under P parameter" button to determine.

?? C. deceleration: press the "deceleration" button on the touch screen to reduce the output frequency of the frequency converter. Its step size is now set to 1Hz (this button can only work in variable frequency speed regulation operation). It can also be directly set to the desired frequency value through P50.