Arrangement for the Propagation of Alarm Information in a Building Automation System that Includes One or More Applications that Access Building System Data via a Monitoring and Control System

An arrangement for use in a building automation system, comprising:

• a) a plurality of building automation devices, including at least one sensor, and at least one controller;
• b) a processing arrangement operably coupled to receive an event condition indication from a first device of the plurality of building automation devices, the processing arrangement configured to:
• access building automation data comprising a plurality of data objects, each data object corresponding to a device in a building automation system, the data objects interrelated in a first hierarchy;
• store an indication of the event condition in a first data object corresponding to the first device;
• propagate an indication of the alarm condition to upstream objects in the first hierarchy.