Device Reset and Elvis Communications Bypass

I'm trying to upgrade a DC motor control simulation from Labview 7.1 to Labview 8.6, and I'm having trouble with device communication. I can get the simulation to run once, but when I stop it and try to start again, nothing happens. Sometimes it gives a " -9334 ELVIS communication bypass.vi" error, even though the switch is still set to bypass and nothing has changed. Has anyone else worked with a problem like this?

Here's a view of the old version and the new version.
Attachments:
New Config.png ‏88 KB
Old Config.png ‏103 KB

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I'm attempting to run the quanser Qnet experiments with ELVIS I and Labview 2013.
I currently have ELVIS Traditional installed (NI ELVIS 3.0.7). I also have NI ELVISmx 4.5 installed, which I think is just for ELVIS II.
When I load some of the quanser .VIs I receive the error cannot find NI ELVIS communications bypass.vi
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Will

Thanks Matt,
Perhaps the Traditional driver set is no longer needed?
When running these experiments last year with LabView 2012, I always had to run the communications bypass.vi before running the experiment. Otherwise, the motors would have a voltage on them when powering up the experiment. For example, in the DC-motor experiment, the motor would spin violently the instant I would start it up.
However, I've been testing the experiments now with LabView 2013 and I havent had this problem.
Does this mean that the communications bypass.vi is no longer needed to use the ELVIS 1 when running with Labview 2013/2014?
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GPIB and RS232 communication problems

I've been having several "interesting" problems with GPIB and RS232 communications in LabVIEW VIs. Some I'll mention at the end for curiosity, but right now I'm facing a rather big problem. I'm essentially self-taught at doing LabVIEW (using 8.5.1 right now), but by now I've had a lot of experience as their either has not been any drivers or pre-made VIs for the instruments I've needed or I've not been able to get the available drivers to work and had to write my own anyway (such as with the HP 3458A), but nothing seems to be working right now. I'm not at work, but we typically find forum sites blocked anyway (I can't even download the NI drivers at work since they house them on a ftp server, go figures) so I can't give the VI itself (it wouldn't be easy to get approval even if I could) so the best I can do right now is in words describe everything I've tried. I will be happy to post follow-ups of specific details if I can if they would be helpful.
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Thanks.
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Leif King
Metrology Engineer
Oak Ridge Metrology Center

Greetings Leif,
I understand you have completed extensive troubleshooting techniques to pin-point the problem with the GPIB communication. To begin, I want to ask you a few questions to help me understand your set-up and the issue at hand.
1) Is the NI GPIB-USB-HS cable the one which cannot communicate with your instrument?
2) When using the GPIB-USB-HS, does the GPIB interface show up in MAX?
3) If yes, does the instrument appear in MAX after scanning for instruments (from what I understand in your issue, it does so in an intermittent manner..)?
4) What driver version of VISA do you have installed in your computer?
5) Are you able to communicate to the same instrument using another GPIB cable?
Thank you for trying out some of these steps again, but we want to make sure we rule out other aspects in the systems which might be affecting the GPIB communication.
As for your other issues, please post seperate threads for each so we can help you accordingly. Thanks!
Sincerely,
Aldo
Aldo A
Applications Engineer
National Instruments

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Device Reset and Elvis Communications Bypass

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