The choice of photoelectric encoder！

1, Resolution:
     And the positional accuracy of about
2, Dimensions:
     Relationship with the installation space
3, axle load allowed:
     Relationship with life, the installation status
4, The maximum number (maximum response frequency) transfer:
     Relationship between the number of revolutions of the drive shaft motors and resolution
5, Theoutput of the phase difference:
     NC machinery and control section with matching case
6, Aaptability to the environment:
     Relations with the use of the environment
7, incremental encoder,absolute encoder considering the cost, to see whether the power off when the absolute value of the detected position. Have counter, anti-noise performance of such a system.

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