Appendix A _________________________________________________________ BACnet Reference
VAISALA ________________________________________________________________________ 89
Carbon Dioxide Object
Table 20 Carbon Dioxide Object Properties
Data type
(Application Type)
Writable
(Conformance Code)
Object Type = 0,
BACnetObjectType
(ENUMERATED)
BACnetEngineeringUnits
(ENUMERATED)
BACnet Status Flags
(BIT STRING)
BACnet Reliability
(ENUMERATED)
BACnetEventState
(ENUMERATED)
NaN (COV reporting
disabled)
0.0 (same as limit for
UNDER_RANGE)
2400 (same as limit for
OVER_RANGE)
Table 21 Status Flags
Event State equals 0 (NORMAL)
Reliability equals 0 (NO FAULT DETECTED)
Present Value may NOT be written via BACnet
Present Value may be written via BACnet
1)
Table 22 Reliability
No contact to measurement module
CO2 level over BAC_CO2_MAX_VALUE
CO2 level under BAC_CO2_MIN_VALUE
Table 23 Event State
Reliability equals 0 (NO FAULT DETECTED)
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