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| Command | Syntax | Meaning |
|---|---|---|
| STWATCH | STWATCH StationName | Tell The command sends commands for the synchronous reading of values of all configured I/O tags (regardless of whether data access type is set to “Async I/O 2.0”, "Async I/O 3.0", or “Synchronous I/O”) |
| STCOMMAND | STCOMMAND StationName DISCONNECT | Tell The command encloses immediately closes the active OPC connection of the line (the parent of "StationName"). Then, the system is restarted and the connection is reinitiated. If remote access is used and a backup OPC host is configured, the servers are interchanged ("OPC Host" for "Backup Host" or vice-versa). |
| STCOMMAND StationName CONNECT_PS | Closes the active OPC connection and enforces connection to the primary OPC server "OPC Host". It is important only for remote access. | |
| STCOMMAND StationName CONNECT_BS | Closes the active OPC connection and enforces connection to backup OPC server "Backup Host". It is important only for remote access. |
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For users working under Windows XP with ServicePack2 Service Pack 2 or later operating systems, it is recommended to change the parameter Network access: Let Everyone permissions apply to anonymous users (Local Security Policy -> Local Policies -> Security Options) to the value of Enabled.
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