Parker Series EW101 overview
Parker Series EW101 Power Amplifiers | for DC ValvesElectronic module for the control of pilot operated proportional directional valves with transducer. The flo...
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Manufactured byParker
Product typeModule
DescriptionParker Series EW101 Power Amplifiers | for DC ValvesElectronic module for the control of pilot operated proportional directional valves with transducer. The flow direction at the valve spool is set by the sign of the set-value voltage. The spool stroke and its rate of change is set by means of potentiometers. The movement profile of the valve spool is controlled by a closed loop feedback circuit in the module.Features Modulated valve-spool control by 4 selectable set values, adjustable from 0 to 100% and UP/DOWN ramp potentiometers. DIP-switch from internal ramp generation to external ramp setting. Pulsed low loss amplifier power stage with supporting constant current control for consistant temperature-independant solenoid forces. Dither generator with applied frequency to improve static characteristics. Diagnosis of spool stroke by means of diagnostic sockets as well as LEDs for indicating working conditions.
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Module
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