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<blockquote data-quote="ronsonol" data-source="post: 151094" data-attributes="member: 48959">Patrick, I found of a couple of things,first, the queryplc function as part of the ahcmd.exe is broken in the release I have.&nbsp; It always returns an errorcode of 0 (OFF) using this simple batch script.&nbsp;@echo off call &quot;c:\Program Files\Common Files\X10\Common\ahcmd.exe&quot; queryplc d1 onIF ERRORLEVEL 1 goto itson IF ERRORLEVEL 0 goto itsoff echo Unknown Status! goto end :itsoff echo Off! goto end :itson echo On! :endI found a message board where they were discussing the broken feature of the queryplc, and they included a fixed ahscript.dll.&nbsp; After using this version, the batch script, and the queryplc works fine.&nbsp; If the device is off - it goes to off, and the same for on.&nbsp; If no such device exists(ie. wrong address) if returns nothing - no error level, and the batch script returns with Unknown Status. I am not sure how your code is checking/receiving the errorlevel, but the logs indicate an empty respone.&nbsp; The above batch script seems to work fine with the updated dll, which I'll include here.Cheers,</blockquote>

[QUOTE="ronsonol, post: 151094, member: 48959"] Patrick, I found of a couple of things, first, the queryplc function as part of the ahcmd.exe is broken in the release I have. It always returns an errorcode of 0 (OFF) using this simple batch script. @echo off call "c:\Program Files\Common Files\X10\Common\ahcmd.exe" queryplc d1 on IF ERRORLEVEL 1 goto itson IF ERRORLEVEL 0 goto itsoff echo Unknown Status! goto end :itsoff echo Off! goto end :itson echo On! :end I found a message board where they were discussing the broken feature of the queryplc, and they included a fixed ahscript.dll. After using this version, the batch script, and the queryplc works fine. If the device is off - it goes to off, and the same for on. If no such device exists(ie. wrong address) if returns nothing - no error level, and the batch script returns with Unknown Status. I am not sure how your code is checking/receiving the errorlevel, but the logs indicate an empty respone. The above batch script seems to work fine with the updated dll, which I'll include here. Cheers, [/QUOTE]

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