OPC DA Connect Steps can return the following error codes.
Error code |
Message |
8000 |
OPCAutomation.IOPCAutoServer was not found as registered class: check OPCDAAuto.dll registration. |
8001 |
OPC server connection failed: check server URL and DCOM security options. |
8002 |
Server URL expression is empty |
8003 |
Variable path expression is empty. |
8004 |
Connection to this server is not initialized. Make sure to open a connection to this server before this step. |