For Devices generating classic status codes, OPC UA Servers shall set the status information delivered for one Process Value and the OPC UA StatusCode consistent as defined in Table 15.

Table 15 – Classic status codes

Sub-status

Description

OPC UA Status Code

Status Byte

RioQualityEnumeration

RioSpecifier

Enumeration UNSPECIFIED

RioQualifierEnumeration

Quality BAD

0

non-specific

Bad,

0x80000000

0x00.. 0x03

BAD

BAD_NOT_SPECIFIC

1

configuration error

BadConfigurationError, 0x80890000

0x04.. 0x07

BAD_NOT_SPECIFIC

2

not connected

BadNotConnected, 0x808A0000

0x08.. 0x0B

BAD_NOT_CONNECTED

3

device failure

BadDeviceFailure, 0x808B0000

0x0C.. 0x0F

BAD_NOT_SPECIFIC

4

sensor failure

BadSensorFailure, 0x808C0000

0x10.. 0x13

BAD_NOT_SPECIFIC

5

no communication (LUV)

BadCommunicationError, 0x80050000

0x14.. 0x17

BAD_NOT_SPECIFIC

6

no communication (no LUV)

BadNoCommunication, 0x80310000

0x18.. 0x1B

BAD_NOT_SPECIFIC

7

out of service

BadOutOfService,

0x808D0000

0x1C.. 0x1F

BAD_PASSIVATED

Quality UNCERTAIN

0

non specific

Uncertain,

0x40000000

0x40.. 0x43

UNCERTAIN

UNCERTAIN_NO_

MAINTENANCE

1

last usable value (LUV)

UncertainLastUsableValue, 0x40900000

0x44.. 0x47

UNCERTAIN_NO_

MAINTENANCE

2

substitute value

UncertainSubstituteValue, 0x40910000

0x48.. 0x4B

UNCERTAIN_SUBSTITUTE_SET

3

initial value

UncertainInitialValue, 0x40920000

0x4C.. 0x4F

UNCERTAIN_INITIAL_VALUE

4

sensor conversion not accurate

UncertainSensorNotAccurate, 0x40930000

0x50.. 0x53

UNCERTAIN_NO_

MAINTENANCE

5

engineering unit violation

UncertainEngineeringUnits

Exceeded, 0x40940000

0x54.. 0x57

UNCERTAIN_NO_

MAINTENANCE

6

sub normal

UncertainSubNormal, 0x40950000

0x58.. 0x5B

UNCERTAIN_NO_

MAINTENANCE

7

configuration error

UncertainConfigurationError, 0x420F0000

0x5C.. 0x5F

UNCERTAIN_NO_

MAINTENANCE

8

simulated value

UncertainSimulatedValue, 0x42090000

0x60.. 0x63

UNCERTAIN_NO_

MAINTENANCE_SIMULATION_ACTIVE

9

sensor calibration

UncertainSensorCalibration, 0x420A0000

0x64.. 0x67

UNCERTAIN_NO_

MAINTENANCE

Quality GOOD (Non Cascade)

0

ok

Good,

0x00000000

0x80.. 0x83

GOOD

GOOD

1

update event

Good,

0x00000000

0x84.. 0x87

GOOD

2

active advisory alarm

GoodFaultStateActive, 0x04070000

0x88.. 0x8B

GOOD

3

active critical alarm

GoodFaultStateActive, 0x04070000

0x8C.. 0x8F

GOOD

4

unacknowledged update event

Good,

0x00000000

0x90.. 0x93

GOOD

5

unacknowledged advisory alarm

GoodFaultStateActive, 0x04070000

0x94.. 0x97

GOOD

6

unacknowledged critical alarm

GoodFaultStateActive, 0x04070000

0x98.. 0x9B

GOOD

7

reserved

-

 

 

 

8

initiate fail safe

GoodInitiateFaultState, 0x04080000

0xA0

GOOD

GOOD_INITIATE_

FAULT_STATE

9

maintenance required

Good,

0x00000000

0xA4.. 0xA7

GOOD_MAINTENANCE_

REQUIRED

Quality GOOD (Cascade)

0

ok

GoodCascade,

0x04090000

0xC0.. 0xC3

GOOD

GOOD

1

initialization acknowledged

GoodCascadeInitializationAcknowledged, 0x04010000

0xC4.. 0xC7

GOOD

2

initialization request

GoodCascadeInitializationRequest, 0x04020000

0xC8.. 0xCB

GOOD

3

not invited

GoodCascadeNotInvited, 0x04030000

0xCC.. 0xCF

GOOD

4

reserved

-

 

 

 

5

do not select

GoodCascadeNotSelected, 0x04040000

0xD4.. 0xD7

GOOD

GOOD

6

local override

GoodLocalOverride, 0x00960000

0xD8.. 0xDB

GOOD_LOCAL_OVERRIDE

7

reserved

-

 

-

 

8

initial fail safe

GoodInitiateFaultState, 0x04080000

0xE0

GOOD

GOOD_INITIATE_

FAULT_STATE

According to [PCD PB] chapter 5.3.4.2.1, the classic status codes shall be supported for legacy Devices requiring backward compatibility only. Otherwise, only condensed status generation or condensed status with detailed information as defined in 6.8.1.1 and 6.8.1.2 is required.