8.3 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.
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