Help Articles: Managing WinCC OA Log Files

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Introduction

The log files in WinCC OA contain a wealth of information about the running system.  The log viewer is handy during development when troubleshooting bad IO address, scripting syntax errors, etc. All of those messages are written to the appropriate log file in the <project>/log folder. These files have names like:

  • PVSS_II.log
  • WCCOActrl1.log
  • WCCOAui0.log
  • WCCOAs7.log
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