Applies To:
  • CitectSCADA 4.xx, 5.xx

Summary:
When the ethernet cable to the PLC is disconnected, it is found that the corresponding Citect IODevice will not go offline. 

Solution:
CIT has confirmed this to be a problem. The problem is that the driver does not recognise the error being returned by the lower level API, as being indicative of the unit being offline. This problem has been fixed in version 3.0 of the driver. 

Keywords:
 

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