Direct control of torque over the motor speed range is provided by the drive, which helps the motor and drive generate torque levels high enough to cycle the press back to ready position.
直接控制扭矩而不是电机转速范围，可以使得电机和变频器产生足够高的扭矩使得压机可以回复到原来的位置。
2
Press the starting button of the oil pump on the operation box beside the Hydraulic Bump Station. Note: only start one oil pump motor.
按位于液压泵站旁操纵箱上的油泵起动按钮，只起动一台油泵电机。
3
When the arm runs to the upper and lower two limit position, respectively press the lower limit switch, cut off the main control circuit, variable amplitude motor parking, to limit the role.