Skip to content

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
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
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
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
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
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
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
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.

Any questions left?

Ask the community

Except where otherwise noted, content on this site is licensed under the MindSphere Development License Agreement.

Last update: May 19, 2022