Encoder-Note selection！

It should be noted parameters in three areas:
1, mechanical dimensions: includes a positioning spigot, shaft, mounting holes; cable and outlet; installation space volume; environment protection level meets the requirements.
2, resolution: that when the number of encoder output pulses per turn, whether to meet the design requirements for the use of precision.
3, the electrical connection: encoder output common push-pull output (F-type HTL format), the voltage output (E), open collector (C, common C for the NPN-tube output, C2 PNP type tube output), long drive output. Its output should and its control system interface circuit to match.

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