Stepper motors can get stuck and resonate if they are driven at too high as
frequency or if they are overloaded. If that is what is happening when "the
stepper motor goes funny and doesn't stop" you should try changing your driving
frequency or if you are using a six-wire two-phase stepper you may be able
to change the wiring configuration to allow more torque or a faster frequency
response.
-Jim
F.Ducret@sussex.ac.uk wrote:
>Hi!>I edited a code with labview to control the motion of my stepper motors>by
simply sending a command to the serial port 1, this command depends>on the
controller card.>It works absolutely fine but when the code is running for
long, the>stepper motor goes funny and doesn't stop , I have to switch off
the>controller card power supply resulting
in the lost of the reference>point
I have previously set up.>It might be the buffer memory getting full, I tried
to initialise the>port without any success, it still does it.>It is crucial
for me to solve this, the stepper motors are used to>transverse optics such
as lens and mirror. If this happens again the>optics could be crunched.>Thanks>>Fabrice>>>Sent
via Deja.com http://www.deja.com/>Before you buy.