The NPS3000 series closed loop controllers are the Next Generation of NanoPositioning systems from Queensgate®. Designed specifically to control Queensgate's Nanometer Precision Mechanisms.

The NPS3000 series closed loop controllers are the Next Generation of NanoPositioning systems from Queensgate®. Designed specifically to control Queensgate's Nanometer Precision Mechanisms. Using state of the art digital signal processing technology the NPS3000 series combine piezo drive amplifiers, capacitance position sensing circuitry and servo control capability.

Use of PID (proportional integral differential) feedback terms greatly improves settle times and minimizes the effect of mechanical resonances. Advanced control techniques developed by Queensgate allow 21 bit resolution (0.05 nm in 100 µm), more than 30 times better than previously available. The virtual front panel software facilitates user control of all operating parameters, including PID loop set up.

Features

• Stand alone system with universal input power supplies
• State of the art digital signal processor technology, providing sophisticated, reconfigurable control parameters
• 1, 2 and 3 channel systems
• 21 bit effective resolution; 7 digit floating point commands (better than one part in 2 million, equivalent to 0.05 nm in 100 µm)
• Better than 0.02% linearity error
• Snapshot mode allows noise, frequency response and settle times to be graphically displayed on your PC and optimized by adjusting PID loop parameters
• Virtual front panel software allows the user full control of system parameters (Windows 95 and Windows NT)
• Comprehensive command language DLL allowing simple integration of the system into application specific environments
• Built in RS232 interface allows control from any PC via the serial (COM) port at up to 100 commands per second
• DSP serial port available as standard for high speed communications
• Electronic Data Sheets stored in EEPROM in both the controller and the NanoMechanism allow easy interchangeability of stages and controllers with factory default configuration
• Store and Recall facility for different user setups