Absolute Measuring Systems of Optical Encoder！

Using this measuring system, every position of the measurement range/angle is identified by a definite code on a glass or plastic disc. This code is represented on the disc in the form of light and dark regions within different tracks. This combination relates to an absolute numerical value. 
Thus, the position value is always directly available, counters are not necessary. 
In addition it is not possible to get continuously invalid values caused by interferences or loss of the supply voltage. 
Movements which are done while the system is turned off are immediately measured after the system is powered up.

absolute encoder, incremental encoder, hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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