BACnet Alarms

CBMS supports BACnet alarms in the following products.

• AAC-1000 - BACnet Router and Gateway.​
• AAC-WIN -Windows Software Bundle.

Note that BACnet alarms require a corresponding BACnet Object as a value to be monitored. For example a Modbus point could be extended with a BACnet Analog Input object and then referenced by the alarm object.

BACnet Alarms require the clock to be configured to use the correct Time Zone, on all products except Windows. To configure the time zone navigate to app-service-date to display the DateService. From this screen, change the timezone to suit your location and check to ensure that the correct time is set.

Navigate to app-drivers-bacnet-local and verify that the IP port is enabled and running. Navigate to app-drivers-bacnet-local and verify that the BACnet Device settings are correct, the DeviceId must be changed from the default value of 9999 to a unique number.

Select "Add Points" from this page if the settings look correct.

From the ObjectType list, change the type to EventEnrolment and change the starting instance and quantity to the desired values. There must be an available BACnet Object of type AI,AO,AV,BI,BO or BV inside the device which will be referenced by the EventEnrolment Obect.

Click the add button to populate the list of EventEnrolment objects to be added to the device. Once you have finished adding EventEnrolment objects to the list, click the next button and the objects will be saved to the device.

To change the BACnet Properties for the EventEnrolment, navigate to app/drivers/bacnet/local/eventenrolment/event enrolment 1 and click on the "BACnet Object" tab which will bring up a list of properties associated with the object. From this screen the time delay, etc can all be changed.

A Notification class will be added if one does not already exist. The notification class is used to determine where an alarm will be sent. There must be at least on notification class on the device and each alarm generating object will specifiy which notification class object it will use.

To change the BACnet Properties for the Notification Class, navigate to app/drivers/bacnet/local/notificationclass/notificationclass1 and click on the "BACnet Object" tab which will bring up a list of properties associated with the object. From this screen the recipient list, etc can all be changed.