Appendix 1, Technical guide bacnet, Link interface 22 – Orion System BACnet Link User Manual
Page 22
Technical Guide
BACnet
®
Link Interface
22
Appendix 1
VAV/CAV Object Properties
Property
Read
or
Write
Limits, Value,
Comment
Alarm Status
R/O
Application Software Version
R/O
CO2 Setpoint
R/O
0
8000
Control Status
R/O
Control Temperature
R/O
Cooling Setpoint
R/O
Duct Static Pressure
R/O
Duct Static Setpoint
R/W
0.01
3
Economizer Position
R/O
Fan Speed Unit
R/O
98
Heating Setpoint
R/O
Humidity Unit
R/O
29
Min Outside Air Setpoint
R/W
1
99
Object Identifier
R/O
Object Name
R/W
15
Object Type
R/O
257
Occupied Cooling Setpoint
R/W
0
90
Occupied Heating Setpoint
R/W
0
90
Outdoor Air Humidity
R/O
Outdoor Air Sensor Offset
R/W
-10
10
Outdoor Air Temperature
R/O
Outdoor Air Wetbulb
R/O
Position Unit
R/O
98
Relays
R/O
Relief Pressure
R/O
Relief Pressure Setpoint
R/W
-0.3
0.3
Return Air CO2 Level
R/O
Return Air Sensor Offset
R/W
-10
10
Return Air Temperature
R/O
Schedule Force
R/W
0
2
Space Sensor Offset
R/W
-10
10
Space Temperature
R/O
Stagint Deadband
R/W
0
10
Supply Air Cooling Setpoint
R/W
50
70
Supply Air Heating Setpoint
R/W
0
300
Supply Air Sensor Offset
R/W
-10
10
Supply Air Temperature
R/O
Temperature Demand
R/O
Temperature Unit
R/O
64
Unoccupied Cooling Setpoint
R/W
0
30
Unoccupied Heating Setpoint
R/W
-30
0
VFD Blower Fan
R/O
VFD Exhaust Fan
R/O
Warm Up Setpoint
R/W
50
90
Wetbulb Setpoint
R/W
0
80
CW/HW Object Properties
Property
Read
or
Write
Limits, Value,
Comment
Alarm Status
R/O
Application Software Version
R/O
CO2 Setpoint
R/W
0
8000
Cold Water Position
R/O
Control Status
R/O
Control Temperature
R/O
Cooling Setpoint
R/O
Duct Static Pressure
R/O
Duct Static Setpoint
R/W
0.01
3
Economizer Position
R/O
Fan Speed Unit
R/O
98
HCW Configuration
R/W
Heating Setpoint
R/O
Hot Water Position
R/O
Humidity Unit
R/O
29
Min Outside Air Setpoint
R/W
1
99
Object Identifier
R/O
Object Name
R/W
15
Object Type
R/O
259
Occupied Cooling Setpoint
R/W
0
90
Occupied Heating Setpoint
R/W
0
90
Outdoor Air Humidity
R/O
Outdoor Air Sensor Offset
R/W
-10
10
Outdoor Air Temperature
R/O
Outdoor Air Wetbulb
R/O
Position Unit
R/O
98
Relays
R/O
Relief Pressure
R/O
Relief Pressure Setpoint
R/W
-0.3
0.3
Return Air CO2 Level
R/O
Return Air Sensor Offset
R/W
-10
10
Return Air Temperature
R/O
Schedule Force
R/W
0
2
Space Sensor Offset
R/W
-10
10
Space Temperature
R/O
Stagint Deadband
R/W
0
10
Supply Air Cooling Setpoint
R/W
50
70
Supply Air Heating Setpoint
R/W
0
300
Supply Air Sensor Offset
R/W
-10
10
Supply Air Temperature
R/O
Temperature Demand
R/O
Temperature Unit
R/O
64
Unoccupied Cooling Setpoint
R/W
0
30
Unoccupied Heating Setpoint
R/W
-30
0
Vfd Blower Fan
R/O
Vfd Exhaust Fan
R/O
Warm Up Setpoint
R/W
50
90
Wetbulb Setpoint
R/W
0
80
Table 15: VAV/CAV Object Properties
Table 16: CW/HW Object Properties