08-31-2010 12:19 AM
I have been using IVI drivers from http://sine.ni.com/apps/utf8/niid_web_display.model_page?p_model_id=15923 for acquiring waveforms from my agilent DSO1022A scope. The drivers show connectivity and am able to build things using the default blocks to acquire and set the scope up in labview 8.6 as well as signalexpress 3.0 but if i increase my horizontal scale ie the total time period captured above 0.02 seconds i get "timeout expired before operation completed" error. The same error shows in signal express at the same settings. I have followed the execution step by step and its in the "fetch waveform" block when it interfaces with the actual driver that the error is generated. I do get the occasional timeout expired for shorter time periods but specifically if i go above 20ms i get this error everytime.
what i can do to trouble shoot this further?
09-01-2010 09:34 AM
Hi waqsm,
I noticed that in the IVI driver there was not a configurable timeout for the Fetch Waveform.vi. Try this LabVIEW Plug and Play Project Style driver next. To see if you get the same behavior. There is a configurable timeout on the Fetch Waveform.vi in the driver I've posted. If this driver works post back and I will look into the IVI driver further.
Regards,