Write digital state "Comm Fail" for NULL values with QualityDetail code 24

To specify that the connector writes digital state "Comm Fail" in PI AF for tags receiving NULL values with QualityDetail code 24 from the Wonderware Historian, do the following:

1. On the PI Connector for Wonderware Historian site in the Overview section, select Stop connector.

2. From the Windows start menu, open Services and for PI Connector for Wonderware Historian, select Stop the service.

3. Delete the WonderwareHistorian Connector folder located at C:\ProgramData\OSIsoft\Tau\WonderwareHistorian.ConnectorHost.

4. Modify the ConnectorGlobal.config.json file located at %pihome64%\Connectors\WonderwareHistorian\Configuration to include a WriteIOServerCommunicationFailure value as shown here:

   {
   "connectorglobal":{
   "ConfigObject":{
   "IgnoreInitialGoodValue":true,
   "SubstitutionCharactersList":[{"Key":"\\","Value":"_"}],
   "WriteIOServerCommunicationFailure":true
   }
   }
   }

5. Save the modified ConnectorGlobal.config.json file.

6. From the Windows start menu, open Services and for PI Connector for Wonderware Historian, select Start the service.

7. On the PI Connector for Wonderware Historian site in the Overview section, select Start connector.