IEC_BACNET_SUBSCRIBE_COV_INFO (STRUCT)ΒΆ
TYPE IEC_BACNET_SUBSCRIBE_COV_INFO : STRUCT
This structure is used to transport all data for the subscribe COV service.
- InOut:
Name
Type
Comment
fSubscribe
The fSubscribe attribute is TRUE a new subscription is initiated. If FALSE an existing subscription is cancelled. In this case the attributes issueConfirmedNotifications and lifetime are not part of the request sent.
processID
The contents identifies the process in the COV client device to which this COV notification is directed.
monitoredObjectID
The content is the identifier of the object in the device to which a subscription is directed.
issueConfirmedNotifications
The issueConfirmedNotifications attribute indicates if the COV-server device shall initiate ConfirmedCovNotification or UnconfirmedCovNotification requests.
This parameter is not valid if fSubscribe is False.
lifetime
The content specifies the lifetime of the subscription in seconds. It is not valid if fSubscribe is False.
activeSubscribers
Contains the number of active subscriptions in the server API database.
This is the number of subscribers to this object (only valid in the service hook as additional information for the user application from the server API, otherwise this parameter is 0 and shall be ignored by the application).