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Steppers in slave mode


snowygrouch
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Posted · Steppers in slave mode

Should be able to put a second one with each coil in series with the same coil of the first motor.

The stepper driver should still drive them with the same current as determined by the trim pot.

It will just require more volts to to achieve which is covered by the 19V applied.

The time taken to reach the current should be a bit longer.

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    Posted · Steppers in slave mode

    You could also piggy-back 2 stepperdrivers on top of each other, connecting everything except the motor outputs to eachother. This will work fine.

    Also, Marlin does have the feature to use 2 stepper drivers for the Z, but not for the X or Y. (The kamermaker uses the 2nd extruder driver as extra Z stepper)

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    Posted · Steppers in slave mode
    Hi Owen,

    Thanks for the response, so it seems probably do-able but that the potential accelerations will be

    somewhat reduced due to longer current ramp up ?

    C.

    THey'd take longer to Ramp up but if they were working together they shoul still be stronger

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    Posted · Steppers in slave mode
    Hi Daid,

    Ok thanks for the info, regarding a piggyback of the stepper drivers; would the standard power

    supply be up to powering an extra stepper for the X and the Y axis ?

    Regards

    C.

    Yes, the steppers use less power then the heater, and the powersupply can supply two heaters and 5 steppers fine at the same time. So 1 heater and 6 steppers shouldn't be any issue.

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    Posted · Steppers in slave mode

    OK great,

    Many thanks Daid, that puts it all in plain logical sight.

    Regards

    C.

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