Applicable Systems
WinCC
Symptoms
The SCADA system reports an OPC server disconnection. The OPC communication link has been lost.
Possible Causes
- OPC server service stopped
- OPC server network connection lost
- OPC configuration or DCOM settings error
Troubleshooting Steps
- Step 1: Check the OPC server service status
Service is running - Step 2: Verify the network connection to the OPC server
Connection is established - Step 3: Check the OPC and DCOM configuration
Configuration is correct
How to Reset
To reset: Restore the OPC connection, then reconnect in WinCC.
Comments (0)
Share your experience to help others facing the same problem.
Leave a Comment
Source: Siemens WinCC SCADA Manual, Siemens AG
Category: SCADA
No comments yet. Be the first to share your experience!