Problem with the number of lines in the channel

Dear community LabView,

I'm relatively new to labview and I came across a problem that (I assume) can easily be resolved with your help.

I need to create a digital signal to trigger a camera, but I have a problem with the configuration of my lines or exit lanes. I would not use that line output to trigger the camera. (I use a card NI PCIe-6353). LabVIEW is telling me that the number of lines in the channel does not have the number of rows of data:

Possible reasons:

Specified read or write operation failed because the number of rows in the data of a string is not the lines in the channel.

If you use the digital waveform data type, make sure that the number of lines in the digital waveforms is the number of lines in the channel. If you are using Boolean data, make sure that the dimension of the array for the rows of the data is the number of lines in the channel.

Number of lines in the channel: 1
Number of data lines: 2

Task name: _unnamedTask<11>

How and why the number of data rows is connected to the resolution of my analog digital converter?

I would appreciate your help! Labview code and a screenshot attached.

Thank you

Beff

I got it to work by changing the "data format" "binary not signed" OR by plugging is not the "offset" for the Square Wave VI.  I think that the default "offset binary" data format works correctly if there is a negative value.

Tags: NI Software

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