end of file error encountered on real time

I have a question ad with a deployment to the PSC controller. I had a successful deployment that requires a few tweeks. When I may have a few changes, I had some problems that resulted in an error "end of file". Here's what I know.

  1. Updated the CFP with System State Editor
  2. Seen CPU utilization to 100%
  3. Adjusted rate of Mark I/O wait 10ms on controller PSC and changes to the MAX
  4. Use of the CPU revised to 28%
  5. Changes made to the zone on controller to reflect the vs OF default UTC and apply changes in MAX
  6. Made minor changes to the Subvi, which I publish as a remote via a web browser front, compiled and deployed to the target.
  7. Tried to display the new Web page and got the message "server has regained control."
  8. Redone web publishing tool to check that I asked for control of Web page automatically.
  9. Application redeployed and recontroler web page. Always "server has regained control."
  10. Connection to the target is continually more complicated. Eventually produce a "Safe Mode, software error" displayed in MAX.
  11. Uninstalled all OS and drivers on the CFP.
  12. Reinstalled operating system and all the drivers on the CFP.
  13. Redeployed application and Web page show the Subvi front, but that was before it was performed i.e. I could see the run button.
  14. I reloaded the webpage and then the Subvi seems to run very slowly, without control, and the data was not updated correctly. But no more "Server took control. When I go out the program I get an error of "end of the island met" in a pop-up dialog box.

I'm running a state machine configuration very simply with three loops. One to control the connection and TCP WRITE an exe running on another machine. A second to control the connection and TCP READ this same second machine. And a third loop to write FALSE CFP modules conditions, set up the 485 serial port and then to launch and run the Subvi that displays information via a Web page on an HMI. The Subvi displays data from a SQL database which I'm reading on this second machine and passing through to the CFP over TCP. As the Subvi has a problem loading the Web page, I think that the problem is in this loop. It could be connected to the remote façade code or could be the code to call the Subvi.

Any suggestrions? I don't have the equipment. Its deployment on a production at a customer's line. I try to get the material back in so I can debug using my development computer.

Doug

OK, we finally got this solved. Thanks to the effort given by Roger Hebert OR for assistance.

It seems that I had two problems. The first was a 0 byte of 0% downloaded problem. When I took the CFP of the deployed network and put it on my network home, I did not delete the DNS server specified in the configuration of CFP page. As it was not present on my local network, he could not successfully download web page. Not that specified the server DNS correction of this problem.

The second question was what "Server regained control" followed by the message "end of file". In my code I publish façade of a Subvi as a Web page. His single while loop that runs once and stores the information registers at offset. It is called repeatedly in a time while loop of the highest level VI. When the appearance of the façade of the Subvi was by default it worked fine. But when I changed it to a dialog box to hide the menu bar and the button, run by default the 'see the façade when it is called' and 'close later while initially closed' are archived in the VI window appearance properties. The 'close later while initially closed' caused all the problems. After that it ran, it closed and released the control on the server (CFP). When the loop of high level, still called the Subvi, she couldn't drop the Subvi, which had been closed.

Thanks to Roger for the patience to help me on this. But which here includes the pharse "close thereafter while initially closed"?

Tags: NI Hardware

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