Parker EW26-104 overview
Parker EW26-104 Series EW104 Power Amplifiers | for DC Valves, D91FS Valve Size, NG25 Mount Patt., ±6.5mm Valve StrokeElectronic module for the control of pilo...
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Manufactured byParker
Product typeModule
DescriptionParker EW26-104 Series EW104 Power Amplifiers | for DC Valves, D91FS Valve Size, NG25 Mount Patt., ±6.5mm Valve StrokeElectronic module for the control of pilot operated proportional directional valves with transducer. The movement profile of the valve spool is given by externally supplied command signals and internal limiting and ramp potentiometers. The command signals can, e.g., be processed using a programmable controller or an EZ150 module.Features Spool overlap range can be manipulated with MIN potentiometer, adjustable by feeding a constant set value of 0.2V. MAX limiting of spool stroke with full command range. Can be set up after MIN has been set and feeding a constant set value of 10V. DIP-switch from internal ramp generation to external ramp supply. Pulsed low-loss amplifier power stage with supporting constant current control for constant, temperature-independant, solenoid forces. Dither generator with applied frequency to improve static characteristics.Diagnosis of spool stroke by means of measuring sockets as well as LEDs for indicating working conditions.
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