I'm having trouble using IMAQdx to control a camera, I've read the IMAQdx user Manual and I'm able to open the camera and alter some attributes like brightness,contrast and Gamma etc. However,I don't have access to some attributes like exposure time and frame rate, these don't even show up in the Enumerate attributes.vi ,there's also a problem with the one that show up-white balance,it remains the default value and change it causes the vi terminated. I'm pretty sure that the exposure time and all the other attributes can be altered because there's a C based software can alter all this.So I want to know if these attributes can be populated and altered in IMAQdx,if not is there any other methods to accomplish this? And can someone tell me how the IMAQdx driver works? And BTW,my camera is DirectShow compliant. All reply are greatly appreciated!

Machine Vision

Just respect values min and max

Message 11 of 14

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Hello,

I have the same problem, have you found a solution ? Please let me know

Message 12 of 14

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Any help !!

Message 13 of 14

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Hello,

The "Grab and Attributes.vi" example saved my life!

To set the exposure time of my camera, I first set the Mode to Manual and not Automatic and then set the exposure time in seconds.

Best regards,

Séb

Message 14 of 14

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