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The drive will limit the current going to the motor to the drive's max of 2.5a. You'll lose a little torque, though, as torque is roughly proportional to the current. The current should stay the same regardless of the voltage supplied.
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Ok, I've bought a cheap stepper driver card of ebay, and i'm currently looking for some new motors, and i've stumbled upon some nema23 bipolar stepper motors.
The problem is, that these motors has a current of 3A and my stepper driver only supports up til 2,5A. Is there a way I can drive them with my stepper driver?
A followup question in general but these motors as an example, these motors say they run at 3,6V and i've read somewhere on this forum that stepper motors can take higher voltage than what is written on them, is that correct, or am i wrong? And what would then happen to the A if i do so? would it increase or decrease.
I'm asking this since I am in possesion of a 24v power supply i want to use.
If so, how is that possible?
I'm pretty new to this site, and if the answer lies elsewhere i would be really glad if you could re-direct me.
Sincerely
Tsknutsen
Last edited by tsknutsen; 03-13-2009 at 06:09 PM. Reason: just, adding a few things i forgot to write
The drive will limit the current going to the motor to the drive's max of 2.5a. You'll lose a little torque, though, as torque is roughly proportional to the current. The current should stay the same regardless of the voltage supplied.
Gerry
Mach3 2010 Screenset
http://home.comcast.net/~cncwoodworker/2010.html
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
ok, good to know.. I wouldn't like to break my driver card on the first try :P .. So that means i can "overdrive" the steppermotor of 3,6volts with 24 volt? ... Why is this safe?
Btw, really thank you for the responce
-tsknutsen
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