In your controller tags, if MCM.Config.ModDef.ErrStatPtr is 0, then status data is likely overwriting the first 33 words of the MCM's ReadData or WriteData arrays which would typically be used for Modbus data.
Article ID: 182
Created On: Tue, Nov 28, 2006 at 2:35 PM
Last Updated On: Thu, Jul 17, 2014 at 4:22 PM
Authored by: Technical Support
Online URL: https://www.prosoft-technology.com/kb/article.php?id=182