Таблица: КАЧЕСТВО ОПС-ТЕГОВ

Quality Tag	Dec	Description
OPC_QUALITY_BAD	0	The value is bad but no specific reason is known
OPC_QUALITY_CONFIG_ERROR	4	There is a server-specific problem with the configuration
OPC_QUALITY_NOT_CONNECTED	8	The input is required to be logically connected to something but is not
OPC_QUALITY_DEVICE_FAILURE	12	A device failure has been detected
OPC_QUALITY_SENSOR_FAILURE	16	A sensor failure has been detected
OPC_QUALITY_LAST_KNOWN	20	Communications have failed. However, the last known value is available.
OPC_QUALITY_COMM_FAILURE	24	Communications have failed. No last known value is available.
OPC_QUALITY_OUT_OF_SERVICE	28	The block is off scan or otherwise locked.
OPC_QUALITY_SENSOR_CAL	32	Either the value has reached one of the sensor limits (in which case the limit field should be set to 1 or 2) or the sensor is otherwise known to be out of calibration.
OPC_QUALITY_UNCERTAIN	64	There is no specific reason why the value is uncertain.
OPC_QUALITY_LAST_USABLE	68	The last usable value
OPC_QUALITY_EGU_EXCEEDED	84	The returned value is outside the limits defined for this parameter. Note that in this case, the limit flag indicates which limit has been exceeded.
OPC_QUALITY_SUB_NORMAL	88	The value is derived from multiple sources and has less than the required number of good sources.
OPC_QUALITY_GOOD	192	The value is good
OPC_QUALITY_LOCAL_OVERRIDE	216	The value has been overridden. Typically this means the input has been disconnected and a manually defined value has been forced.