According to the BACnet protocol documentation:

Defines a standardized object whose properties represent the externally visible characteristics of an analog output.

Objects of type analogOutput have the following properties:

•ackedTransitions

•commandTimeArray

•covIncrement

•currentCommandPriority

•deadband

•description

•deviceType

•eventAlgorithmInhibit

•eventAlgorithmInhibitRef

•eventDetectionEnable

•eventEnable

•eventMessageTexts

•eventMessageTextsConfig

•eventState

•eventTimeStamps

•highLimit

•interfaceValue

•lastCommandTime

•limitEnable

•lowLimit

•maxPresValue

•minPresValue

•notificationClass

•notifyType

•objectIdentifier

•objectName

•objectType

•outOfService

•presentValue

•priorityArray

•profileLocation

•profileName

•propertyList

•reliability

•reliabilityEvaluationInhibit

•relinquishDefault

•resolution

•statusFlags

•tags

•timeDelay

•timeDelayNormal

•units

•valueSource

•valueSourceArray