Nanotec launches new NOE2 optical encoder for closed-loop applications

Feldkirchen, January 2013 – In addition to motors and controllers, a rotary encoder is the third essential module in the software and hardware for closed loop applications. With the NOE2 Nanotec enhances its product range of small-sized optical encoders with high resolutions.

Despite its compact size (31 x 37 x 11.5 mm), the NOE2 can achieve a resolution of up to 4000 pulses per revolution. As a result, this leads to a mechanical resolution of 0.0225° using quadrature evaluation. This corresponds to a resolution of 80 increments per step for a stepper motor with a 1.8° step angle and this is four to eight times the resolution that has been achieved with conventional incremental encoders. The commutation angle in field-oriented controlled operation (closed loop operation) can be measured at high speed and enables extremely good synchronization even at slow speeds. The 3-channel encoder NOE2 comes with a line driver. Beside the 5V standard version, there is a 24V variation available for use in machine building.

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