https://forge.codesys.com/forge/talk/Engineering/thread/f5d1f8f54c/2026-02-09T15:39:44.595000ZRecent posts to EXCEPTION [watchdog] how to find position cause2026-02-09T15:39:44.595000Z2026-02-09T15:39:44.595000ZTimvHhttps://forge.codesys.com/u/timvh/https://forge.codesys.com483449a07be300427653bf02df41ae1ab6df967e

<div class="markdown_content"><p>Monitor what your current cycle time is (in the Task Configuration when you are online).<br/> If this is sometimes close to 200ms, then change your code (e.g. limit the loops, or prevent copying a lot of data between objects).<br/> Or just set the Watchdog time (or sensitivity) higher if you don't care that it sometimes takes longer than 200ms.<br/> If you want to find out which objects in your application consume the most time, then buy a PDE (Professional Developer Edition) license. With this you get a license for the Profiler. This can help you a lot to find the root cause, because it will create a nice overview of all objects, their calls and the time (percentage) it takes to execute it.</p></div>

2026-02-06T12:05:31.802000Z2026-02-06T12:05:31.802000Zgattohttps://forge.codesys.com/u/gatto/https://forge.codesys.com8a197b496ab28f8b17f0fab5bb249d9285ad44a1

<div class="markdown_content"><p>hi.<br/> My plc is weidmuller UC20-WL200-AC, IDE CODESYS 3.5.20.40, see picture for task settings.<br/> sometime i've got the plc stop.<br/> Reading the log, I find:<br/> <em>EXCEPTIONPOSITION</em> : IP=0x(nil) (no IECcontext could be retrieved) component CmpIecTask<br/> <em>EXCEPTION</em> <span>[Watchdog]</span> occurred: App=<span>[Application]</span>, Task=<span>[TASK_O_MAIN]</span> component CmpIecTask</p> <p>How to find the position of problem?</p></div>