Good Morning, I'm currently working on a VI to use visa to get information from a USB device. The device is a check-line digital tachometer. I was able to get the USB drivers and everything together, and the device to show up in MAX, but now I'm getting an error after the visa open block, and I'm not sure why. Any insight would be greatly appreciated, though I dont know what anyone will be able to do, seeing you likely dont have the same one. VI is attached

API means application program interface. First, do the installation of the vendor's driver and application program. Then run the program just to verify everything has been installed correctly. I don't see any documentation at all on the dll. I guess they expect everyone to use their program and not control from some third-party software. You will need to contact them and explain that you really need to control/read with third-party software and need documentation on the dll. They may or may not charge you for this documentation but without it, you really can't do anything.

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Error with Visa and USB device

Solved!

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I've installed the software and everything works as it should. Im waiting on a response from them, but who knows.

Thanks everyone!

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Error with Visa and USB device

Re: Error with Visa and USB device