Variable
Description
BACNET
MODBUS
Object Type
Instance
Number
Access
COV
Increment
Index
Register
Type
Size
x 0.1
Required
InputRegister
I9037_ODU1_Inv2IPMTemp
ODU Master Inverter#2 Heat-Sink
Temperature
Analog Input
9037
Read_NoWrite
39038
InputRegister
2
I9038_ODU1_Inv1InputCT
ODU Master Inverter#1 Input Current (CT)
Analog Input
9038
Read_NoWrite
39039
InputRegister
2
○
I9039_ODU1_Inv2InputCT
ODU Master Inverter#2 Input Current (CT)
Analog Input
9039
Read_NoWrite
39040
InputRegister
2
○
I9040_ODU1_Inv1InputVT
ODU Master Inverter#1 Input Voltage
Positive Integer Value
9040
Read_NoWrite
39041
InputRegister
2
I9041_ODU1_Inv2InputVT
ODU Master Inverter#2 Input Voltage
Positive Integer Value
9041
Read_NoWrite
39042
InputRegister
2
I9042_ODU1_Inv1PhaseCT
ODU Master Inverter#1 Phase Current
Analog Input
9042
Read_NoWrite
39043
InputRegister
2
○
I9043_ODU1_Inv2PhaseCT
ODU Master Inverter#2 Phase Current
Analog Input
9043
Read_NoWrite
39044
InputRegister
2
○
I9044_ODU1_Fan1PhaseCT
ODU Master Fan#1 Phase Current
Analog Input
9044
Read_NoWrite
39045
InputRegister
2
○
I9045_ODU1_Fan2PhaseCT
ODU Master Fan#2 Phase Current
Analog Input
9045
Read_NoWrite
39046
InputRegister
2
○
I9046_ODU1_Inv1DCLink
ODU Master Inverter#1 DC Link
Positive Integer Value
9046
Read_NoWrite
39047
InputRegister
2
I9047_ODU1_Inv2DCLink
ODU Master Inverter#2 DC Link
Positive Integer Value
9047
Read_NoWrite
39048
InputRegister
2
I9054_Master DOAS_HRUnit_LiquidTemp
Master DOAS Liquid Pipe Refrigerant
Temperature
Analog Input
9054
Read_NoWrite
39055
InputRegister
2
○
I9055_Master DOAS_SCInletTemp
Master DOAS Sub-Cooling Circuit Inlet
Refrigerant Temperature
Analog Input
9055
Read_NoWrite
39056
InputRegister
2
○
I9056_Master DOAS_SCOutletTemp
Master DOAS Sub-Cooling Circuit Outlet
Refrigerant Temperature
Analog Input
9056
Read_NoWrite
39057
InputRegister
2
○
I9104_ODU2_HighPressureTrace
ODU Slave#1 High Pressure
Positive Integer Value
9104
Read_NoWrite
39105
InputRegister
2
I9105_ODU2_LowPressureTrace
ODU Slave#1 Low Pressure
Positive Integer Value
9105
Read_NoWrite
39106
InputRegister
2
I9112_ODU2_Inv1Trace
ODU Slave#1 Inveter#1 Compressor Hz
Positive Integer Value
9112
Read_NoWrite
39113
InputRegister
2
I9114_ODU2_Inv2Trace
ODU Slave#1 Inveter#2 Compressor Hz
Positive Integer Value
9114
Read_NoWrite
39115
InputRegister
2
I9115_ODU2_Fan1Trace
ODU Slave#1 Fan#1 RPM
Positive Integer Value
9115
Read_NoWrite
39116
InputRegister
2
I9116_ODU2_Fan2Trace
ODU Slave#1 Fan#1 RPM
Positive Integer Value
9116
Read_NoWrite
39117
InputRegister
2
I9123_ODU2_AirTemp
ODU Slave#1 Ambient Temperature
Analog Input
9123
Read_NoWrite
39124
InputRegister
2
○
I9124_ODU2_SuctionTemp
ODU Slave#1 Suction(to Accumulator)
Temperature
Analog Input
9124
Read_NoWrite
39125
InputRegister
2
○
I9125_ODU2_CondeseTemp
ODU Slave#1 Condenser Temperature
Analog Input
9125
Read_NoWrite
39126
InputRegister
2
○
I9126_ODU2_EvaporateTemp
ODU Slave#1 Evaporator Temperature
Analog Input
9126
Read_NoWrite
39127
InputRegister
2
○
I9136_ODU2_Inv1IPMTemp
ODU Slave#1 Inverter#1 Heat-Sink
Temperature
Analog Input
9136
Read_NoWrite
39137
InputRegister
2
I9137_ODU2_Inv2IPMTemp
ODU Slave#1 Inverter#2 Heat-Sink
Temperature
Analog Input
9137
Read_NoWrite
39138
InputRegister
2
I9138_ODU2_Inv1InputCT
ODU Slave#1 Inverter#1 Input Current (CT)
Analog Input
9138
Read_NoWrite
39139
InputRegister
2
○
I9139_ODU2_Inv2InputCT
ODU Slave#1 Inverter#2 Input Current (CT)
Analog Input
9139
Read_NoWrite
39140
InputRegister
2
○
I9140_ODU2_Inv1InputVT
ODU Slave#1 Inverter#1 Input Voltage
Positive Integer Value
9140
Read_NoWrite
39141
InputRegister
2
I9141_ODU2_Inv2InputVT
ODU Slave#1 Inverter#2 Input Voltage
Positive Integer Value
9141
Read_NoWrite
39142
InputRegister
2
I9142_ODU2_Inv1PhaseCT
ODU Slave#1 Inverter#1 Phase Current
Analog Input
9142
Read_NoWrite
39143
InputRegister
2
○
I9143_ODU2_Inv2PhaseCT
ODU Slave#1 Inverter#2 Phase Current
Analog Input
9143
Read_NoWrite
39144
InputRegister
2
○
I9144_ODU2_Fan1PhaseCT
ODU Slave#1 Fan#1 Phase Current
Analog Input
9144
Read_NoWrite
39145
InputRegister
2
○
I9145_ODU2_Fan2PhaseCT
ODU Slave#1 Fan#2 Phase Current
Analog Input
9145
Read_NoWrite
39146
InputRegister
2
○
I9146_ODU2_Inv1DCLink
ODU Slave#1 Inverter#1 DC Link
Positive Integer Value
9146
Read_NoWrite
39147
InputRegister
2
I9147_ODU2_Inv2DCLink
ODU Slave#1 Inverter#2 DC Link
Positive Integer Value
9147
Read_NoWrite
39148
InputRegister
2
I9154_Slave#1 DOAS_HRUnit_LiquidTemp
Slave#1 DOAS Liquid Pipe Refrigerant
Temperature
Analog Input
9154
Read_NoWrite
39155
InputRegister
2
○
I9155_Slave#1 DOAS_HRUnit_SCInletTemp
Slave#1 DOAS Sub-Cooling Circuit Inlet
Temperature
Analog Input
9155
Read_NoWrite
39156
InputRegister
2
○
I9156_Slave#1 DOAS_HRUnit_SCOutletTemp
Slave#1 DOAS Sub-Cooling Circuit Outlet
Temperature
Analog Input
9156
Read_NoWrite
39157
InputRegister
2
○
HoldingRegister
H000_ModbusSlaveAddress
DOAS Unit No. (Multiple Combination of DOAS
unit)
Positive Integer Value
1000
Read_NoWrite
40001 HoldingRegister
2
H010_OverrideKeepTime
Manual Override Holding Time
Positive Integer Value
1010
Read_NoWrite
40011 HoldingRegister
2
H042_SATempSetpointOfTemperatureControl
Target temperature[Supply air temperature
Control]
Analog Value
1042
ReadCOV_Writable
0.5
40043 HoldingRegister
2
○
H044_HeatingCoolingDeadBandOfTemperatureControl
Dead band
Analog Input
1044
Read_NoWrite
40045 HoldingRegister
2
○
DiscreteInput
D000_OperationStatus
DOAS Status
Binary Input
0
Read_NoWrite
10001
DiscreteInput
D001_ErrorStatus
Error Status
Binary Input
1
Read_NoWrite
10002
DiscreteInput
D002_AlarmStatus
Alarm status of DOAS and ODU
Binary Input
2
Read_NoWrite
10003
DiscreteInput
D016_SAFanStatus
Status of Supply Fan On/off
Binary Input
16
Read_NoWrite
10017
DiscreteInput
D017_EAFanStatus
Status of Supply Fan On/off
Binary Input
17
Read_NoWrite
10018
DiscreteInput
D018_ERWStatus
Status of Energy Recovery Wheel On/off
Binary Input
18
Read_NoWrite
10019
DiscreteInput
D019_PreheatHeater Status
Status of Electric Pre Heater On/off
Binary Input
19
Read_NoWrite
10020
DiscreteInput
D020_MainCoilStatus
Status of On/Off
Binary Input
20
Read_NoWrite
10021
DiscreteInput
D021_ReheatCoilStatus
Reheat Coil EEV Opening position (pulse)
Binary Input
21
Read_NoWrite
10022
DiscreteInput
D022_RecoveryCoilStatus
Reheat Coil EEV Opening position (pulse)
Binary Input
22
Read_NoWrite
10023
DiscreteInput
D030_SAFilterSign
Supply Air Filter Alarm
Binary Input
30
Read_NoWrite
10031
DiscreteInput
D031_RAFilterSign
Return Air Filter Alarm
Binary Input
31
Read_NoWrite
10032
DiscreteInput
D032_Occupancy
Occupancy Status (Occupied / Unoccupied)
Binary Input
32
Read_NoWrite
10033
DiscreteInput
D046_LatentHeatControlOperCondition
Soft Shutdown setpoint
Binary Input
46
Read_NoWrite
10047
DiscreteInput
D047_AutoDryOperCondition
Auto Dry Operation (Time Delay)
Binary Input
47
Read_NoWrite
10048
DiscreteInput
Coil
C000_UnitEnable
Unit Enable
Binary Value
0
ReadCOV_Writable
1
Coil
C001_Occupancy
Unit Occupancy
Binary Value
1
ReadCOV_Writable
2
Coil
44