The variable frequency control board is mainly used to adjust the working frequency of equipment, reduce energy loss, and can smoothly start the equipment, reducing the damage to the motor caused by the large current generated when the equipment is directly started. Simultaneously equipped with analog input (for speed control or feedback signals), PID control, pump switching control (for constant pressure), communication function, macro function (with different parameter settings for different occasions), multi stage speed, and so on.
The main function of the variable frequency control board is to adjust the working frequency of the equipment, so that it can work smoothly and reduce energy consumption. This control cabinet generally has communication functions, macro functions, and analog input control functions. It has distinct characteristics, not only low operating costs, but also saves energy, can improve pressure control accuracy, extend the service life of the motor, and reduce noise.
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Cabinet requirements:
1.In stallation method of control cabinet: both wall mounted and floor mounted exist simultaneously.
2.The number of motor drives in the control cabinet: one to one, expandable to one to two.
3.Power frequency and frequency conversion switching mode: Power frequency and frequency conversion work as backup for each other, and automatically switch protection in case of failure.
4.The control methods of the control cabinet include manual/automatic, local/remote, and communication networking.
5.Isolation of control cabinet: Convenient installation of noise filters, DC filters, and output reactors at the front and rear ends.