BACnet schedules

Schedules for BACnet controllers have properties that are unique to BACnet devices. BACnet schedules can be identified as those schedules with the buttons Exceptions and Properties under the list of schedules.

Changing the BACnet property

Use the Edit Schedule Properties dialog to change the effective period or default value of the schedule.

To change the BACnet schedule properties, do the following:

1 Locate and select a BACnet schedule in the Select Schedule Group list.
2 Click Properties and then Edit Properties.
3 Make the changes to the dates in the dialog.
4 If required, enter a new schedule default value in the Value text box.
5 Click Submit when done.
6 When changes are complete for the schedule, click Save Schedule.

 

Schedule Default Value Each day in a weekly schedule covers a 24–hour period. The property Default Value defines the state of the schedule between 12:00 a.m. (midnight) and the first appointment in a schedule list. The present value of the schedule remains at the value of the last time/value pair until 12:00 a.m.

Effective Period Set the effective period of the schedule with Start Date and End Date.

Schedule Properties dialog

Schedule Properties dialog

 

BACnet exception appointments

Use an exception appointment to override the values in a BACnet appointment. Exceptions appointments are displayed in the Schedule Manager in a color different than regular appointments.

Exception Schedule dialog

To add an exception appointment, do the following:

1 Locate and open a schedule in the Select Schedule Group list.
2 Drag the pointer down a day column to select a block of time for the new appointment..
3 Right-click on the selected block of time and choose Add Exception Schedule from the shortcut menu. The Add Exception Schedule dialog opens.
4 Make the changes to the appointment.
5 Click OK when done.
6 When changes are complete for the schedule, click Save Schedule.

 

1 Open the exception appointment by doing one of the following:
  • In the calendar view, double-click the appointment.
  • In the Exceptions list, click the open hotspot .
2 Make changes to the Add Exception Schedule dialog.
3 Make the changes to the times and dates in the dialog.
4 Click OK when done.
5 When changes are complete for the schedule, click Save Schedule.

 

The Exception Schedule dialog includes the following choices:

Single Date A single date on which the values and times listed in the exception schedule will override the values of the weekly schedule.

Date Range A range of dates on which the values and times listed in the exception schedule will override the values of the weekly schedule.

Week and Day A day of the week and month on which the values and times listed in the exception schedule will override the values of the weekly schedule.

Time Value Pairs The method for entering time/value pairs in an exception schedule is the same method used in a weekly schedule.

Priority Sets the order of precedence for conflicting exception schedules. For example if Exception Schedule 2 has an event priority 8 and Exception Schedule 4 has an event priority of 10, then Exception Schedule 2 will override Exception Schedule 4 when there is a conflict in the values for the reference object.