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Thread: Two steppers from one channel?

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  1. 03-25-2004, 04:56 AM #1
    m1911bldr
    m1911bldr is offline Registered
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    Two steppers from one channel?

    All, I need to drive two stepper motors for the same axis - my table has two steppers on the X axis. Is it safe to use the parallel port outputs to run two stepper drivers in parallel? I have the HOBBYCNC driver kit and it's not heavy enough to run two motors from one driver channel. Will I need to build a parallel port "breakout box" to drive two stepper drivers from the parallel port X axis outputs? If so, anyone know of a good box to use?
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  2. 03-30-2004, 03:30 AM #2
    tpworks
    tpworks is offline Registered
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    I believe pin 1 (sync) on the L297 chip achieves this function when connected to another L297.
    ...He who makes no mistakes makes nothing! ...
    Tom
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