Quality code
(hex)
Quality code
(dec)
Short
description
Long description
0x803C0000 -2143551488 Out of range The value was out of range
0x80270000 -2144927744
Session not
activated
The session cannot be used because ActivateSession has
not been called
0x808B0000 -2138374144 Device failure
There has been a failure in the device/data source that
generates the value that has affected the value
0x803D0000 -2143485952 Not supported The server cannot retrieve a bound for the variable
0x80630000 -2140995584
Type definition
invalid
The type definition node ID does not reference an
appropriate type node
0x800D0000 -2146631680
Server not
connected
The operation could not complete because the client is
not connected to the server.
0x80730000 -2139947008
Write not
supported
The server does not support writing the combination of
value status and timestamps provided
0x807D0000 -2139291648
Data source
busy
Previous read request of data source is still in progress
8.5 Quality codes SYSTEM protocol
The following table shows the possible quality codes for devices that use the SYSTEM adapters:
Quality code
(hex)
Quality code
(dec)
Short
description
Long description
0x00000000 0 Good No error occurred
0x803A0000 -2151284736
Not
readable
The access level does not allow the operation the to the
Node (reading or subscribing)
0x807D0000 -2139291648
Data source
busy
Previous read request of data source is still in progress
8.6 Quality codes Rockwell protocol
The following table shows the possible quality codes for devices that use the Rockwell protocol:
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