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24VDC water pump controlled by DMX512 signal for music 0:10Apr 22, 2017· A small music dancing fountain pump built with 24V DC water pump which controlled by DMX signal. It is 150W 13000L/h flow and max 7m water head, controlled by DMX512 signal or PWM, 0~10V : Aven Tsao

Pump Control with Variable Frequency Drives Pumps & Systems Dec 17, 2011· An AC drive provides more efficient flow control by varying the pump motor speed. By comparing the energy requirements and costs when a throttling device is used for flow control on a centrifugal pump with the power used when an variable frequency drive (VFD) is used to control the same flow, the potential savings become evident. Figure 2

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[PDF]Pump Quickstart Guide - North America Water For Flat curve pumps Minimum frequency is typically 53-54Hz. - Setting Sleep Mode. Sleep mode will stop the VFD in no-demand condition when system pressure is slightly above SET-26 set-point and output frequency is below SET-32 Sleep mode frequency setting for SET-33 Sleep mode delay time. The most critical step is to determine and set a correct

Operating a Centrifugal Pump with a Variable Frequency Drive It is increasingly common for pumps to be operated by motors that are controlled by variable frequency drives (VFDs). VFDs control motor speed by varying the frequency of the power being sent to the motor. So a 60 Hz motor operating at 1800 RPM will reduce to 1500 RPM if the frequency is varied down to 50 Hz.

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Quanyi Fzd China Small Variable Frequency Water Supply If you only need more water pressure, and want to be cheap, choose the pressure or water flow switch control pressure pump In contrast,Intelligent variable frequency pressure pump can have more advantages as follows: 1.Can be set according to their own demand outlet pressure; 2. When single or many faucet use at the same time, pressure is same; 3.

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