IMAQ 1394 version 2.0 - setting the shutter integration time

I am using IMAQ 1394 version 2.0 with a CCDdirect firewire camera. I am trying unsuccessfully to set the shutter attribute in absolute mode to a value of several seconds. I cant seem to get an integration time greater then .13 seconds to be accepted, even when I try to set it in MAX. Any suggestions would be appreciated. I am also using Labview 7.1 Developers suite
thanks,
Ronen

Hello Ronen,
I'm not familiar with CCDdirect cameras. Is there a particular model that you are using?
What happens when you set the value greater than 0.13 seconds?
Some cameras that I have worked with in the past require that the camera be placed in an "extended" shutter mode in order to use long integration times. Does your camera offer any additional shutter modes that will allow you to increase this value?
What shutter/integration time attributes show up in MAX? These attributes and there values/ranges are read directly in from the camera. I have also worked with some cameras in the past that have additional attributes that do not show up in MAX. Typically these are attributes/features that are not part of the DCAM compliance. MAX and the IMAQ 1394 driver only access DCAM specific features. If the correct values do not show up, perhaps the camera manufacturer can show you how to set these attributes.
Let me know the answers to the above questions if you are still unable to accomplish what you need. I would be more than happy to help out in any way possible.
Best Regards,
Jesse D.
Applications Engineering
National Instruments

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IMAQ 1394 version 2.0 - setting the shutter integration time

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