what matters need to concern when using Incremental rotary encoder ！

what matters need to concern when using Incremental rotary encoder
It should be noted parameters in three areas:
1. Mechanical dimensions, including positioning spigot, shaft, mounting holes; cable and outlet; installation space volume; environment protection level meets the requirements.
2. Resolution, ie when the number of encoder output pulses per turn, whether to meet the design requirements for the use of precision.
3. Electrical interface, the 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), line driver output. Its output should and its control system interface circuit to match.

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