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The E-505 piezo amplifier module is designed to work in the E-500 Controller system (see link). It features a low-noise, high-power amplifier for low-voltage piezo actuators and positioners, that can output and sink a peak current of up to 2000 mA in the -20 to 120 V voltage range. The E-505 units are designed to provide high-resolution operation of piezo actuators and positioning systems in voltage-controlled mode (open-loop) and optionally in position-controlled mode (closed-loop). For switching applications the E-505.10 version provides a peak output current of up to 10 A.
For frequency response with selected capacitive loads, see graph below.
Modular Design for Flexibility: Optional Servo Controller Upgrade Up to three E-505 amplifier modules can be installed in one E-500 chassis. The flexible, modular design of the E-500 piezo servo-controller system allows easy installation of an optional E.509 sensor- / servo-controller module for closed-loop operation. The output voltage is then set by the servo-control loop. Closed-loop piezo mechanics from PI can provide positioning accuracy and repeatability down to the nanometer range and below.
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