MC088 Application Logging & Loss of Communication

[slewis]

I've run into a problem with the MC088-015 controller while using the application log.  My program compiles with no errors, but I lose communication with the controller once I download it.  If I remove the application logging features from the program and recompile/download everything is fine.  The only parts of the program I remove to make it work again are the "Define Application Log Areas Page", the "Define Application Log Page", and the "Access App Log Enable" component.  I'm using the latest hardware file (10108098v170), but I have also tried with an older version (10108098v150).

Has anybody seen this before, and know what's wrong?

[A.Peterson]

I had this same issue.
It's not that you loose communication; what I saw was that it could take a very long time for the system to scan once the program finished loading (like 5-10 minutes).
I found that even adding another checkpoint could "fix' the problem.
I did send Sauer a program that failed everytime, but I haven't heard back as to why its happening.

[A.Peterson]

Just a follow up. I saw the report on the unit we sent back to Sauer.
They found That the OS.ExecTimeOut is set to 1 in my program.
They said to put that to 2 or more and the problem should go away.

[slewis]

Thanks for the help, that solved it.  I set the Exec time to 5ms and everything is great.

[bryantmorris]

How do you change the OS.ExecTimeOut variable? I need to do a similar thing on my program however I can not find instructions on how to do this.

[Loader]

Hi Bryantmorris, I don't know the MC088-015 ,but in other controllers you can find OS.ExecTimeOut in Inputs/OS page.
I hope this help you.
Bye

[bryantmorris]

Thanks Loader,

Thats what I was looking for