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12. Appendix C
12.1. Fieldbus Status Display Indications
496
Experion PKS Series A Fieldbus Interface Module User's Guide
R400
Honeywell
July
2010
Fieldbus Status Byte
1-Char
Suffix
12-Char Independent
Status Field
Quality Substatus
Limits
BAD Sensor
Failure
High
Limit
B
Bad,SnFail,H
BAD Sensor
Failure
Constant
B
Bad,SnFail,C
BAD
No Comm,
Last Usable
No Limits
B
Bad,LUValue
BAD
No Comm,
Last Usable
Low Limit
B
Bad,LUV,L
BAD
No Comm,
Last Usable
High Limit
B
Bad,LUV,H
BAD
No Comm,
Last Usable
Constant B Bad,LUV,C
BAD
No Comm, No
Last Usable
No Limits
B
Bad,NoComm
BAD
No Comm, No
Last Usable
Low Limit
B
Bad,NoComm,L
BAD
No Comm, No
Last Usable
High Limit
B
Bad,NoComm,H
BAD
No Comm, No
Last Usable
Constant B Bad,NoComm,C
BAD Out-Of-Service
No
Limit
B
Bad,OutSvc
BAD Out-Of-Service
Low
Limit
B
Bad,OutSvc,L
BAD Out-Of-Service
High
Limit
B
Bad,OutSvc,H
BAD Out-Of
Service
Constant
B
Bad,OutSvc,C
UNCERTAIN Non-Specific No
Limits
U
Uncertain
UNCERTAIN Non-Specific Low
Limit
U
Uncertain,L
UNCERTAIN Non-Specific High
Limit
U
Uncertain,H
UNCERTAIN Non-Specific Constant U Uncertain,C
UNCERTAIN
Last Usable
No Limits
U
Unc,LastOK
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