Multifunction DAQ

cancel
Showing results for 
Search instead for 
Did you mean: 

Labview interpreting single channel task as multichannel..why?

I have a PCI 6251 card which I'm reading voltage of an analog signal with. DAQmx Read.vi isn't allowing me to read it in as a single channel (which I'm quite sure it is). Instead it claims that there are 2 tasks and I must use the multichannel setting. Why is this?
 
I need it to only be a 1x1 array because of data saving purposes, 1x2 messes this up.
0 Kudos
Message 1 of 4
(3,623 Views)
I've never seen this problem where there truly is a single channel. Are you using a task defined in MAX or providing a physical channel list? If you could post your code (7.1 please) or an image of the block diagram, it would help to see what might be wrong.
0 Kudos
Message 2 of 4
(3,617 Views)
I believe you have led me to a possible problem point.
 
When I created the channel in labview I wired in the task as well as the physical channel list, could this have led it to believe that there are 2 tasks when I only want one?
 
I will try getting rid of one and then checking the result.
0 Kudos
Message 3 of 4
(3,615 Views)
You would use one or the other. Not both unless you want to add a channel to an existing task.
0 Kudos
Message 4 of 4
(3,610 Views)