Instrument Control (GPIB, Serial, VISA, IVI)

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GPIB-USB-HS HS488 protocol and How to increase the communication rate

I tried to use the Visa Test Panel to change the I/O protocol of my GPIB-USB-HS device to high-speed. But every time I click "Apply", the panel gets stuck. I don't know if this device supports HS488 protocol.

I used labview to write a cyclic GPIB read and write program, but it can only read up to 100 times per second during operation. I want to increase the rate of reading and writing in the next cycle. I don't know if there is any other way to use this device.

By the way, I want to communicate with the Stanford lock-in amplifier. I don’t know if the fastest response speed of the lock-in amplifier is only 10 milliseconds.


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