I have two devices gpib-usb-hs; two of them work in MAX, but will only work in labview, help please?
Hello
For my application, I need to communicate with two instruments by using both devices gpib-usb-hs. I use Windows XP, Labview 6.1, MAX 5.1 version and NI488.2 version 2.42. I checked and this ni488.2 driver should be compatible with my devices gpib-usb-hs and my versions of windows and labview. I also tried versions older and more recent NI488.2 without success.
I can communicate with my instruments properly in MAX, tell me that the devices themselves are functional. When I try to connect with my instruments using labview (using the example of gpib of labview), only devices gpib-usb-hs communicates with success. The other device returns the EDVR error: connection to the device or driver error.
I don't really know where to go from here. The only thing I found strange was that the gpib-usb-hs work was has an alias name assigned visa while the unworking device does not. I tried to give him an alias name, but this did not help.
Any suggestions would be greatly appreciated.
There are many free tutorials on GPIB. It should explain how the various instruments can be connected to a single controller.
That being said, even if it's unnecessary, you should have no problem with multiple controllers on the same pc. The two being connected, they pass all the tests in MAX? You are using an old driver and seem to have tried several different versions. I suspect a driver issue, and I advise you to uninstall all the drivers GPIB and VISA and then start again. But not all necessary can be done to satisfy your curiosity.
Tags: NI Hardware
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rqg0717 wrote:
Hello
I use a laptop Lenovo T400 with Windows XP SP3 and NEITHER 488.2 14.0 installed top. I plugged the laptop GPIB-USB-HS. It can be found in Device Manager normally but may not be properly recognized OR max. In addition, it is not found in resource NI VISA either. Please see attached picture. I reinstalled OR 488.2 and NI VISA. The problem is still there. Advice please? Thank you very much.
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