Hi,
I inherited a LabView application that controls 30 Sorensen power supplies. It has a communications crash about once a week that is driving me nuts. See the attached image for an overview of the communications architecture. The application communicates with the supplies to turn them on/off and once on, polls constantly for supply status: current, voltage, interlock.
When it crashes, I’m able to stop and restart the LabView app OK, but it doesn’t resolve the problem. A PC reboot is required. I don’t have to touch the supplies to recover. Once the error occurs, it cannot talk to any of the supplies. It starts with an error code: 0xBFFF0000. I've also attached a text file of the IOTrace. It almost seems like the FTDI driver is getting locked up.
As far as I can tell, it doesn't use the Sorensen LabView drivers. I don't know if it's a home rolled version or leveraged from something else. A zip of those are attached as well.
System particulars:
- Windows 7 PC
- FTDI driver 2.8.28.0
- LabView 2011
- Visa 5.1.2
I appreciate any ideas and help.
Kind regards
Mike