Applies To:
  • CitectSCADA 5.xx
Summary:
The cicode function CTAPITrend() used by CTAPI can not process the trend query correctly if there are periodic and event trend tag mixed in the tag list. Only those tags which have same type as the first one will have samples returned. 

Solution:
CIT has confirmed this to be a problem in Citect for Windows versions 5.00 to 5.21. This problem has been fixed in version 5.21 Service Pack F. 
Keywords:
 

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