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DAQ (6211) and Camera (Spectrometer) sync issue

Hello,

 

I'm working with NI 6211 to control XY Galvo scanner, and 6211 to trigger line scan camera. I use clock signals as trigger in to camera. The issue is, when I start, it seems image acquired is not synchronized with scanner - and where image acquisition start location is random. There is a little bit of delay between 6211's AO and scanner's actual position but that should be OK as long as I get consistency. Can anyone please see the code and see if I missed anything that makes it very inconsistent and not synchronize?

By the way, the line scan camera recommends Mono12 and up, so I can't use ring image acquisition (it seems only supports Mono8). But I ran the image acquisition 10 times, and made sure there are no lost buffer. Although still scanner and camera is not sync'ed and inconsistent.

Really appreciate the help in advance.

 

imgAcqSyncProblem.PNG

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Hello DKFF,

 

Is the inconsistency constant?

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