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IndustryArena Forum > CNC Electronics > Servo Motors / Drives > Whats my mechanical resolution?

Thread: Whats my mechanical resolution?

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  1. 04-16-2006, 08:47 AM #1
    50062040
    50062040 is offline Registered
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    Whats my mechanical resolution?

    I have usdigital e2 250cpr encoders and is magnified in mach 2 by quad counts (1000cpr).

    so what is my actual resolution? 250 per revolution or 1000 counts per revolution?
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  2. 04-16-2006, 12:40 PM #2
    Karl_T
    Karl_T is offline Registered
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    Mar 2004
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    Its 1000 cts/rev. A 250 cpr encoder puts out two streams (channnel A & B) of square wave pulses offset by 1/2 of the wave. Counting the rising edge and falling edge of each wave gives you the 1000 accuracy. The offset in channel A & B allows you to know which way the shaft is turning.

    Karl
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