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Connecting to a BACnet system
17.5.1 Dynamic Properties
Each dynamic property uses different types of information as the values. The values also vary
depending on the kind of object.
Binary Input
Analog Input
Multi-state Input
Life Safety Point
Property Value
Present Value active or inactive
Status Flags a Boolean array [_,_,_,_] - each value in the array represents the
presence (1) or absence (0) of an Alarm, Fault, Override or Out of
Service respectively
Event State normal, fault or off normal
Property Value
Present Value an analog value in the form of a pulse width PW4 signal
Status Flags a Boolean array [_,_,_,_] - each value in the array represents the
presence (1) or absence (0) of an Alarm, Fault, Override or Out of
Service respectively
Event State normal, fault or off normal
Property Value
Present Value 0-7
Status Flags a Boolean array [_,_,_,_] - each value in the array represents the
presence (1) or absence (0) of an Alarm, Fault, Override or Out of
Service respectively
Event State normal, fault or off normal
Property Value
Present Value quiet, fault or alarm
Status Flags a Boolean array [_,_,_,_] - each value in the array represents the
presence (1) or absence (0) of an Alarm, Fault, Override or Out of
Service respectively
Event State normal, fault or off normal