Applies To:
  • CitectSCADA 5.xx
Summary:
The StartEventRequestFunction and the StopEventRequest function return -1, even though the project and device appear configured correctly. What is the cause of this? 

Solution:
Provided the correct portname has been used as a parameter to the functions, the likely cause of the problem is that the wrong case was used. These two functions are case sensitive. 
Keywords:
 

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