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Yogesh Singh

"VISA:  (Hex 0xBFFF0015) Timeout expired before operation completed."

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When I run the main VI (lia vid mono), I get an error in the visa read in both the subvi (reset the monochromator and set wavelength)  "VISA:  (Hex 0xBFFF0015) Timeout expired before operation completed." But this error occurs only in the FIRST 2,3 ITERATION of the while loop (however the reset subvi runs only once). When I press the continue button  (when the error message pops up), then this error does not occur for the rest of the remaining iterations of the while loop and I am able to record the correct values from the lock-in-amplifiers.

Also when I run both these SubVi individually I now (  initially running those subVI, I didn't get any error) get the same error. 

I have attached the command codes for the monochromator and the manual for lock-in amplifier SR830.

I would appreciate your help.

Thanks in Advance!!!

Command Codes Monochromator.pdf

SR830 LIA Manual.pdf

lia vid mono.vi

Reset the monochromator.vi

Set Wavelength.vi

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