Orion System BACnet Link - Manual (Page 9)

BACnet® Link Interface
Technical Guide
9
VAV/CAV Instance Number Base VAV/CAV BACnet® Property Identifier
The BACnet ® Link amends the following property identity to BACnet®’s
property identifier.
BACnetPropertyIdentifier :
WattBacScheduleState ::= ENUMERATED {
NormalOperation (0),
ForceOccupied (1),
ForceUnoccupied (2)
}
VavCavControlMode ::= ENUMERATE {
Unoccupied (0),
RemoteContactOccupied (1),
NormalScheduleOccupied (2),
PushButtonOrZoneOverride (3),
HolidayModeActive (4),
UnoccupiedZoneDemand (5),
RemoteScheduleOverride (6),
CurrentOutputForceMode (7),
SATHighOrLowCutOff (8),
CO2OverrideInProgress (9),
PurgeModeActive (10)
}
VavCavControlStatusBits ::= BIT STRING {
AhuControlEconomizer (0),
NoOutdoorAirTempSensor (1),
CarbonDioxiodeSensorPresent (2),
HeatCoolStagingDisabled (3),
DehumidificationMode (4),
ModGasIIConnected (5),
ReheatIIConnected (6),
}
VavCavConfigurationBits ::= BIT STRING {
CoolingDemand (0),
HeatingDemand (1),
CoolingEnabled (2),
HeatingEnabled (3),
EconomizerEnabled (4),
FanInStartUpDelay (5),
WarmUpModeActive (6),
ProofOfFlow (7),
HumidistatContact (8),
ProofOfFlowConfig (9),
ConstantVolumeConfig (10),
HeatWheelConfig (11),
HumiditySensorConfig (12),
WetBulbSensorConfig (13),
ReliefPressureConfig (14)
}
Instance Number Base For VAV/CAV Controller
Parameter
Instance
Number
Base
Represented
By
Object
Limits
Alarm Status 17 Analog Input
CO2 Setpoint 42 Analog Value 0 8000
Configuration 13 Analog Input
Control Mode 11 Analog Input
Control Status 12 Analog Input
Control Temperature 19 Analog Input
Cooling Setpoint 1 Analog Input
Duct Static Pressure 9 Analog Input
Duct Static Setpoint 38 Analog Value 0.01 3
Economizer Position 14 Analog Input
External Relay Group #1 35 Analog Input
External Relay Group #2 36 Analog Input
External Relay Group #3 37 Analog Input
Heating Setpoint 2 Analog Input
Minimum Outside Air
Setpoint 39 Analog Value 1 99
Occupied Cooling Setpoint 32 Analog Value 0 90
Occupied Heating Setpoint 20 Analog Value 0 90
On Board Relay Group 34 Analog Input
Outdoor Air Humidity 10 Analog Input
Outdoor Air Sensor Offset 31 Analog Value -10 10
Outdoor Air Temperature 8 Analog Input
Outdoor Air Wetbulb 3 Analog Input
Relief Pressure 18 Analog Input
Relief Pressure Setpoint 40 Analog Value -0.3 0.3
Return Air CO2 Level 41 Analog Input
Return Air Sensor Offset 30 Analog Value -10 10
Return Air Temperature 7 Analog Input
Schedule Force 33 Analog Value 0 2
Space Sensor Offset 28 Analog Value -10 10
Space Temperature 5 Analog Input
Staging Deadband 23 Analog Value 0 10
Supply Air Cooling Setpoint 25 Analog Value 50 70
Supply Air Heating Setpoint 26 Analog Value 0 300
Supply Air Sensor Offset 29 Analog Value -10 10
Supply Air Temperature 6 Analog Input
Temperature Demand 4 Analog Input
Unoccupied Cooling Setpoint 21 Analog Value 0 30
Unoccupied Heating Setpoint 22 Analog Value -30 0
VFD Blower Fan 15 Analog Input
VFD Exhaust Fan 16 Analog Input
Warm Up Setpoint 27 Analog Value 50 90
Wetbulb Setpoint 24 Analog Value 0 80
Table 4: Instance Number Base Data For VAV/CAV