PD7V20EL、PD7V28EL、PD7V40EL、PD7V55EL、PD7V58EL、PD7V80EL、PD7V78EL、PD7V107EL、PD7V160EL、PD7V250EL、PD7V355EL、PD7V500EL柱塞泵的电控比例控制可以无级地按程序控制泵的排量。配套BEUEC比例放大器控制,泵排量与电磁铁吸力成正比,即与电磁铁的电流强度成正比。对于规格20~160控制电磁铁要一个电压为24V(12V),电流为300~630mA(600~1260mA)的直流电源,控制起点约300mA(600mA)控制终点约630mA(1260mA)对于规格 250~500控制电磁铁的电压为24V,电流为350-800mA的直流电源。
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