Dual-axis ‘averager’ for rotary applications

Mercury 3000Si dual axis averager includes two 8.4-mm tall high-performance Mercury encoder sensors, a SmartSignal dual-interpolator module, and a rotary glass scale.

By Control Engineering Staff July 11, 2005

Mercury 3000Si dual axis averager includes two 8.4-mm tall high-performance Mercury encoder sensors, a SmartSignal dual-interpolator module, and a rotary glass scale. System eliminates eccentricity errors through an advanced signal-averaging algorithm. Processing and programmable interpolation to x1,024 occur within the unit’s FPGA. System is suited for precision rotary tables and actuators, high-performance laser beam steering applications, and exotic rotary applications, such as long range, high-magnification surveillance systems. It features LED indicators for instrument-free sensor alignment. Sensors can be aligned in under 60 sec. Gain and phase correction are optimized automatically.

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