Applies To:
  • CitectSCADA 5.30, 5.31, 5.40, 5.41
Summary:
Why do my disk tags seem to have fluctuating values? 

Solution:
There was a problem in versions 3.00.6 and 3.00.9 of the DiskDrv.dll that came with CitectHMI/SCADA versions 5.30r0 through 5.41r0. This problem has been fixed in the DiskDrv.dll driver v3.00.10 which comes with Citect v5.42r0. 
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