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Re: stepper motor 17hs0002-11

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Nop, not like that.

The 1.7A label on the motor is a maximum, not something you want to have. Also the drivers have a current rating which is also a max, again not good have. That pot on the driver that adjusts vref is the way driver sets working current peak in the coil. And that vref setting is to be lower than each other maximums driver and motor, much below those. With pololu type drivers you should be ok with 0.8 a for a start. Maybe even lower while you do initial testing without any load. The point is to adjust the current to a minimum level where you mechanics still work, not to the maximum, which will get things unnecessarily heated up. Because the bigger idea is to be efficient and not waste any more than it is needed.

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