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Position Servo Controller Calibration Information

The Latest Information on Piezo Drivers and Controllers

For more information on Position Servo Control, please refer to "Tutorial: Piezoelectrics in Positioning" section.

When PI servo controllers are ordered together with external sensors (E-115 LVDT Sensors or D-015, D-050 or D-100 Capacitive Sensors), PI offers a special pre-calibration service free of charge. The controller will be prepared for the required travel range and the dynamic control circuit will be pre-adjusted for the expected resonance frequency of the system. When ordering external sensors, please provide the following information:

• Travel range of the Piezo positioning system to be controlled by the sensor
• Expected first resonance frequency of the system
• Sensor direction: Will the sensor be compressed or will it expand when the Piezo Actuator expands (see sketch)

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