Technical data

196 • Fieldbus Communication
BACnet/IP
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
• ConfirmedEventNotification Service
Informs of an event that has occurred and requests a confirmation
• UnconfirmedEventNotification Service
Informs of an event that has occurred, but does not request a confirmation
(broadcast, multicast)
• GetAlarmSummary Service
Queries available alarms of a device. The Event_State property of the ob-
ject cannot be NORMAL in this case. The Notify_Type must be set to
ALARM.
• GetEnrollmentSummary Service
Queries a list of objects that send event notifications. These can be filtered
according to confirmation (obligatory), events, priorities, etc.
• GetEventInformation Service
Queries available event states of a device. The Event_State property of the
object cannot be NORMAL in this case. In the case of the
Acked_Transitions property, one of the three bits (TO-OFFNORMAL,
TO-FAULT, TO-NORMAL) must be FALSE.
• LifeSafetyOperation Service
Transmits specific instructions from the user for fire, lifesaving and secu-
rity systems, e.g. for switching acoustic and/or optical signals off or on.
• SubscribeCOV Service
Request for acceptance into the recipient list for changes of value.
• SubscribeCOVProperty Service
Request for acceptance into the recipient list for changes of value in certain
properties.
Object access (Object Access Services)
• AddListElement Service
Adds one or more list elements to object properties consisting of lists.
• RemoveListElement Service
Deletes one or more elements from lists, even if these are lists themselves.
• CreateObject Service
A new object instance is generated in the server. This is reinitialized by ei-
ther the CreateObject Service or the WriteProperty Service.
• DeleteObject Service
Deletes selected objects.
• ReadProperty Service
Reads the value of an object property
• ReadPropertyConditional Service
Reads the content of several objects properties according to special criteria
• ReadPropertyMultiple Service
Reads the content of several object properties
• ReadRange Service
Reads the data range of an object property
• WriteProperty Service
Writes a value into a specific property of an object