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Appendix 1, Technical guide bacnet, Link interface 22 – Orion System BACnet Link User Manual

Page 22

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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