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controlling a step motor

Hi all,
I'm developing an vision system algorithm using Labview 7.1. My vision system is used to extract parameters from the images. Now I would like to send these parameters as an input to a controller that can control a step motor. How do we design a controller using Labview? Is there any tutorial to refer or anyone has any example that i can get some idea from?
Thank you.
 
Shaun
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Hi Shaun,

It sounds like you currently do not have any hardware to control your stepper motor. You will need some kind of hardware to send digital pulses to your stepper motor. National Instruments offers hardware that will be able to perform your motion control for you. You can download the NI-Motion driver to check out the VI's that will allow you to communicate with the NI Motion Controller. You can download it from the following link  http://digital.ni.com/softlib.nsf/webcategories/85256410006C055586256BE60070AC71?opendocument&node=1...

You can take a look at the motion controllers that NI offers at the following link: http://www.ni.com/motion/  
 
If you already have the NI-Motion driver installed, but you would like a tutorial on how to use the hardware and software that NI offers, then check out the following presentation: http://www.ni.com/swf/presentation/us/motion/

Now you can also create your own Motion Controller out of other hardware, such as a DAQ board, to send the pulses to your stepper motor. But you would have to create your own VI's in order to send out the correct number of pulses that you need to for your motor. If this is the route that you want to take, it will probably take you more time to program and a while to get your system to do what you want it to, but it is possible. Please let me know if this is what you are trying to do, or if you were wanting to use the built in functionality of NI's Motion Controller hardware and software to complete your application, and I will be able to answer any further questions that you might have. Thanks, and have a great day.

Regards,
GG
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Hi Gavin,
Thank you very much for the information.
 
Shaun
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