From: Andrew W. Hill on 4 Mar 2010 17:25 I'm trying to do two edge separation, but having some problems. Specifically, I never get a result, and instead get Error -200474 occurred at DAQmx Read (Counter DBL 1Chan 1Samp).vi:3, suggesting that the timeout expired. I'm using a PCI-6229 with a BNC-2120 on LabView 8.0. For testing, I've connected two switches, one to PFI.9 and one to (what I believe to be) PFI.10. The switches pull the signal up to +5V, with a pulldown to D GND. I've used an oscilloscope to verify the connections. I have PFI.8 connected with coax to the function generator TTL square wave, which I have set to 10kHz. I'm using the example "Meas Two Edge Separation.vi" example from the LabView examples directory. I've also tried the files linked to on this thread: http://groups.google.com/group/comp.lang.labview/browse_thread/thread/5f0e61e4ae10844d/fdda5a6d07051485. Could anyone help me with this problem? Thanks, Andrew
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