Property Data Type (Application
Datatype)
Writable
(Conforman
ce Code)
Value or Initial
Value
Persistence
Status_Flags BACnet Status Flags
(BIT STRING)
No (R) 0 (FAULT ==
FALSE)
Volatile
Reliability BACnet Reliability
(ENUMERATED)
Yes (when
OoS) (O)
0 (NO FAULT
DETECTED)
Volatile
Event State BACnetEventState
(ENUMERATED)
No (R) 0 (NORMAL) Volatile
Out_of_Service BOOLEAN Yes (R) 0 (FALSE) Volatile
COV_Increment Real Yes (O) NaN (COV
reporting
disabled)
Nonvolatile
Min_Pres_Value Real No (O) 0.0 (same as limit
for Minimum RH
error limit: see
Configuring
Minimum and
Maximum RH and
T Errors with
Insight (page 22))
Fixed
Max_Pres_Value Real No (O) 100.0 (same as
limit for Maximum
RH error limit: see
Configuring
Minimum and
Maximum RH and
T Errors with
Insight (page 22))
Fixed
Table 24 Status Flags
Flag State Cause
IN_ALARM FALSE Event State equals 0
(NORMAL)
TRUE Event State not 0
FAULT FALSE Reliability equals 0 (NO FAULT
DETECTED)
TRUE Reliability not 0
OVERRIDDEN FALSE Always FALSE
Appendix B – BACnet Reference
63
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