Read operation codes
    For each reading operation of single or multiple tags, the controller generates an operation code that describes the operation result.
| Code | Description | 
|---|---|
| Good | The reading operation is successful | 
| BadNoCommunication | The reading operation failed because of a timeout (for example, a connection timeout).  The timeout value is determined by the  Timeoutproperty of a Communication stationobject. | 
| BadCommunicationError | The reading operation failed because the controller returned an error | 
| BadConfigurationError | The reading operation failed because of a tag configuration error (for example, an invalid address) | 
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