Fieldbus Status Byte
Quality
Substatus
UNCERTAIN
Last Usable
UNCERTAIN
Last Usable
UNCERTAIN
Last Usable
UNCERTAIN
Substitute
UNCERTAIN
Substitute
UNCERTAIN
Substitute
UNCERTAIN
Substitute
UNCERTAIN
Initial Value
UNCERTAIN
Initial Value
UNCERTAIN
Initial Value
UNCERTAIN
Initial Value
UNCERTAIN
Sensor
Conversion Not
Accurate
UNCERTAIN
Sensor
Conversion Not
Accurate
UNCERTAIN
Sensor
Conversion Not
Accurate
UNCERTAIN
Sensor
Conversion Not
Accurate
UNCERTAIN
Engineering
Unit Range
Violation
UNCERTAIN
Engineering
Unit Range
Violation
R400
Experion PKS Series A Fieldbus Interface Module User's Guide
July 2010
12.1. Fieldbus Status Display Indications
1-Char
Suffix
Limits
Low Limit
U
High Limit
U
Constant
U
No Limits
U
Low Limit
U
High Limit
U
Constant
U
No Limits
U
Low Limits
U
High Limits
U
Constant
U
No Limit
U
Low Limit
U
High Limit
U
Constant
U
No Limits
U
Low Limit
U
Honeywell
12. Appendix C
12-Char Independent
Status Field
Unc,LastOK,L
Unc,LastOK,H
Unc,LastOK,C
Unc,Subst
Unc,Subst,L
Unc,Subst,H
Unc,Subst,C
Unc,Initial
Unc,Init,L
Unc,Init,H
Unc,Init,C
Unc,NotAcc
Unc,NotAcc,L
Unc,NotAcc,H
Unc,NotAcc,C
Unc,Range
Unc,Range,L
497