Flag State Cause
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
Table 29 Reliability
STATE CAUSE
0 NO_FAULT_DETECTED
1 NO_SENSOR Sensor failure detected.
2 OVER_RANGE T over Max_Pres_Value
3 UNDER_RANGE T under Min_Pres_Value
7 UNRELIABLE_OTHER Other measurement error
Table 30 Event State
STATE CAUSE
0 NORMAL Reliability equals 0 (NO FAULT DETECTED)
1 FAULT Reliability not 0
Units
Unit can be changed using BACnet. Possible units (Celsius or Fahrenheit) are C (62) or F (64).
Out of Service
Out of Service value is writable. By Default = FALSE.
HMD65 User Guide M212243EN-A
66
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