6008 USB shows the digital signal with nothing plugged

So I really hope that's not too bad, I guess it is.

I had problems reading of my digital USB 6008 entry this morning. Everything worked very well last night. Now all digital lines on the device to read a signal if it is has that anything connected to them or not. When I run the DAQ Assistant and test line, it shows a signal to each line. Then I did the joint VI (which should do the same) and it shows a constant signal in each line also. And I have nothing connected to the unit. Should reset somehow, or it is broken? Or am I just missing something?

nckeeley,

Look at pages 21 and 22 of the User Guide Ni USB-6008/6009 and specifications.  Digital lines have a traction 4.7 kilohm place resistance to + 5 V.  It will be a line of input opne look (and be) high.

Lynn

Tags: NI Hardware

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