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i'm using LV 7. i'm communicating with a R&S test receiver using GPIB IEC625. i've stumbled upon a problem, i can't "read" the freq from the device. in the end i have "BFFF0015 Timeout expired before operation completed". the error apears in read trace data.vi at "scan from string". can anyone help me.......
Nowhere do I see a query. With SCPI, a query is a command that ends with a question mark ('?') and tells the instrument to perform a measurement and place data in the output buffer. You cannot just do a read whenever you want to. Try a simple test with a command such as *IDN?.
There are a lot of R&S drivers available at the Instrument Driver Network. You don't mention which model you are using and you might want to take a look. Even if your model is not there, looking at the code used might give you some ideas.