6.1.3.4 Method Scan
This method starts the scan process of the AutoID Device synchronous and returns the scan results.
The duration of the scan process is defined by the termination conditions in the Settings parameter. A Client shall not set all parameters to infinite for the Scan Method. The values for infinite are defined in the ScanSettings DataType definition in 9.3.7. An additional setting to consider is the TimeoutHint used for the Call Service.
Signature
Scan (
[in] ScanSettings Settings
[out] ScanResult [] Results
[out] AutoIdOperationStatusEnumeration Status
);
| Argument | Description |
| Settings | Configuration settings for the scan execution. The ScanSettings DataType is defined in 9.3.7. |
| Results | Results of the scan execution. The ScanResult DataType is defined in 9.3.8. |
| Status | Returns the status of the scan operation. The AutoIdOperationStatusEnumeration DataType is defined in 9.2.1. |
Method Result Codes
| ResultCode | Description |
| Bad_InvalidState | There is already a scan active |
| Bad_InvalidArgument | The scan setting contained an invalid value like infinite duration. |
| Other OPC UA status codes defined for the Call Service in OPC 10000-4. |