Vaisala HUMICAP HMW90 SERIES - Operation Altitude Object Properties

Appendix A _________________________________________________________ BACnet Reference
VAISALA ________________________________________________________________________ 97
Status Flags
Table 30 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
OUT_OF_SERVICE
FALSE
Present Value may NOT be written
via BACnet
TRUE
Present Value may be written via
BACnet
Reliability
Reliability of calculated humidity objects depends on reliability of RH
measurement.
Table 31 Reliability
State
Cause
0 NO_FAULT_DETECTED
1 NO_SENSOR
No contact to measurement module
2 OVER_RANGE
RH over 100%
3 UNDER_RANGE
RH under 0%
7 UNRELIABLE_OTHER
Other measurement error
Event State
Table 32 Event State
State
Cause
0 NORMAL
Reliability equals 0 (NO FAULT
DETECTED)
1 FAULT
Reliability not 0
Out of Service
Out of Service value is writeable. By Default = FALSE. Parameter is
volatile.