Quality codes OPC UA and S7 protocol¶
The following table is based on the OPC UA standard and shows the possible quality codes for OPC UA and S7:
| Quality code (hex) | Quality code (dec) | Short description | Long description |
|---|---|---|---|
| 0x00000000 | 0 | GOOD | Good, all items could be read. |
| 0x00BA0000 | 12189696 | GOOD_INCOMPLETE | Good results may be incomplete - at least one item could be read. |
| 0x002F0000 | 3080192 | GOOD_OVERLOAD | Sampling has slowed down due to resource limitations. |
| 0x40920000 | 1083310080 | UNCERTAIN_INITIAL_VALUE | Uncertain Initial Value - initial value. |
| 0x80000000 | -2147483648 | BAD | Bad - generic error. |
| 0x80020000 | -2147352576 | BAD_INTERNAL_ERROR | An internal error occurred as a result of a programming or configuration error. |
| 0x80050000 | -2147811328 | BAD_COMMUNICATION_ERROR | A low level communication error occurred. |
| 0x80090000 | -2146893824 | BAD_UNKNOWN_RESPONSE | An unrecognized response was received from the server. |
| 0x800A0000 | -2146828288 | BAD_TIMEOUT | Bad Timeout - Timeout occurred. |
| 0x800B0000 | -2146762752 | BAD_SERVICE_UNSUPPORTED | Bad Service Unsupported - service unsupported. |
| 0x80100000 | -2146435072 | BAD_TOO_MANY_OPERATIONS | Bad Too Many Operations - The request could not be processed because it specified too many operations. |
| 0x80130000 | -2146238464 | BAD_SECURITY_CHECKS_FAILED | Indicates security problems. |
| 0x801F0000 | -2145452032 | BAD_ACCESS_DENIED | Bad Access Denied - Access denied. |
| 0x80210000 | -2145320960 | BAD_IDENTITY_TOKEN_REJECTED | Bad Identity Token Rejected. |
| 0x80330000 | -2144141312 | BAD_NODE_ID_INVALID | The syntax of the node ID is not valid. |
| 0x80340000 | -2144075776 | BAD_NODE_ID_UNKNOWN | Bad item address. |
| 0x80360000 | -2143944704 | BAD_INDEX_RANGE_INVALID | The syntax of the index range parameter is invalid. |
| 0x803A0000 | -2143682560 | BAD_NOT_READABLE | Read operation(s) has problem. |
| 0x803B0000 | -2143617024 | BAD_NOT_WRITABLE | Write operation(s) has problem. |
| 0x803D0000 | -2143485952 | BAD_NOT_SUPPORTED | Operation is not supported. |
| 0x803E0000 | -2143420416 | BAD_NOT_FOUND | A requested item was not found or a search operation ended without success. |
| 0x804F0000 | -2142306304 | BAD_SERVER_URI_INVALID | The ServerUri is not a valid URI. |
| 0x80740000 | -2139881472 | BAD_TYPE_MISMATCH | Type conversion has problem. |
| 0x807D0000 | -2155675648 | BAD_TCPSERVER_TOO_BUSY | The server cannot process the request because it is too busy. |
| 0x80820000 | -2138963968 | BAD_TCP_INTERNAL_ERROR | TCP internal error occurred. |
| 0x80860000 | -2138701824 | BAD_SECURE_CHANNEL_CLOSED | The secure channel has been closed. |
| 0x80890000 | -2138505216 | BAD_CONFIGURATION_ERROR | Lack of configuration info. |
| 0x808D0000 | -2138243072 | BAD_OUT_OF_SERVICE | OPC service has problems. |
| 0x809B0000 | -2137325568 | BAD_NO_DATA | No data exists for the requested time range or event filter. |
| 0x809D0000 | -2137194496 | BAD_DATA_LOST | Data is missing due to collection started/stopped/lost. |
| 0x80AB0000 | -2136276992 | INVALID_ARGUMENT | Bad Invalid Argument - all items could not be read. |
| 0x80AC0000 | -2136211456 | BAD_CONNECTION_REJECTED | Connection problem. |
| 0x80AD0000 | -2136145920 | BAD_DISCONNECT | The server has disconnected from the client. |
| 0x80AF0000 | -2136014848 | BAD_INVALID_STATE | The operation cannot be completed because the object public String getValue() { return value; }is closed. |
| 0x80B80000 | -2135425024 | BAD_REQUEST_TOO_LARGE | Request too large. |
| 0x80D70000 | -2133393408 | BAD_BOUND_NOT_FOUND | No data found to provide upper or lower bound value. |
Last update: January 22, 2024