Bacnet Priority Array - ABB Cylon FBXi Series User Manual

BACNET PRIORITY ARRAY

BACnet uses a command prioritization scheme for objects that control equipment or software parameters
that affect the operation of equipment connected to devices. The use of this command prioritization scheme
(commonly referred to as
controlled. Command Prioritization assigns unique levels of priority to the different types of devices that can
write values to a device. There are 16 prioritization levels with Level 1 being highest and Level 16 the lowest.
For example:
Application
Priority Level
Manual-Life Safety
1
Automatic-Life Safety
2
Available
3
Available
4
Critical Equip. Control
5
Minimum On/Off
6
Available
7
Manual Operator
8
BACnet defines the types of objects that are either required or may optionally support the command
prioritization scheme.
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Priority Array) allows a device to determine the order in which an object is
BACnet® Networking
FBXi Series |
Priority Level
9
10
11
12
13
14
15
16
Application
Available
Available
Available
Available
Available
Available
Available
Available
20