About this task
The Global Calendar allows you to make facility-wide changes to calendars, such as defining holidays. These changes are tedious if you need to edit many calendars. To solve this problem, you can reference a Global Calendar object in each FAC or NxE. When you edit the values of the Global Calendar object, the dates automatically download into all the local calendars.
Note: If a local calendar references a global calendar, the local calendar date list is not writable and the Edit button is unavailable. However, if a local calendar writes to a BACnet attribute, the calendar may be edited. In this case, do not write to the local calendar date list, because this overrides the dates in the global calendar.
To reference a Global Calendar object: