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BACnet/Modbus Points List
TABLE4. BACnet / Modbus Points List
TABLE : BACNET / MODBUS POINTS LIST FOR DOAS UNITS
Variable Description
BACNET MODBUS
Object Type
Instance
Number
Access
COV
Increment
Index
Register
Type
Size
x 0.1
Required
InputRegister
I000_MainModule_SW_Version Main Module Software Version Analog Input 0 Read_NoWrite 30001 InputRegister 2
○
I001_MainModuleErrorCode Error Code Integer Value 1 Read_NoWrite 30002 InputRegister 2
I010_OperationMode DOAS Operating Mode Positive Integer Value 2 ReadCOV_NoWrite 1 30011 InputRegister 2
I019_TemperatureOfCoolingChange Cooling mode Entering Condition Analog Input 19 Read_NoWrite 30020 InputRegister 2
○
I020_TemperatureOfHeatingChange Heating mode entering Condition Analog Input 20 Read_NoWrite 30021 InputRegister 2
○
I021_ActiveSetpoint Setpoint of Current Operation Mode
Analog Input
21 ReadCOV_NoWrite 0.5 30022 InputRegister 2
○
I030_OATemperature Outside Air Temperature
Analog Input
30 ReadCOV_NoWrite 0.5 30031 InputRegister 2
○
I031_OAHumidity Outside Air Relative Humidity
Analog Input
31 ReadCOV_NoWrite 1 30032 InputRegister 2
○
I034_SpaceTemperature Space Air Temperature
Analog Input
34 ReadCOV_NoWrite 0.5 30035 InputRegister 2
○
I035_SpaceHumidity Space Air Relative Humidity
Analog Input
35 ReadCOV_NoWrite 1 30036 InputRegister 2
○
I036_SATemperature Supply Air Temperature
Analog Input
36 ReadCOV_NoWrite 0.5 30037 InputRegister 2
○
I037_SAHumidity Supply Air Relative Humidity
Analog Input
37 ReadCOV_NoWrite 1 30038 InputRegister 2
○
I038_CoilTemperature Main Coil Leaving Air Temperature
Analog Input
38 Read_NoWrite 30039 InputRegister 2
○
I039_MXTemperature
After Wheel Air Temperature (Supply Air
Stream)
Analog Input
39 Read_NoWrite 30040 InputRegister 2
○
I040_EATemperature Exhaust Air Temperature
Analog Input
40 ReadCOV_NoWrite 0.5 30041 InputRegister 2
○
I041_CO2 Space CO
2
value Positive Integer Value 41 Read_NoWrite 30042 InputRegister 2
I042_SAFlowDiffPressure Differential Pressure Value Positive Integer Value 42 Read_NoWrite 30043 InputRegister 2
I043_EAFlowDiffPressure
Differential Pressure Value
,if equipped
Positive Integer Value 43 Read_NoWrite 30044 InputRegister 2
I046_OADewpoint Outside Air Dew Point
Analog Input
46 Read_NoWrite 30047 InputRegister 2
○
I047_OAEnthalpy Outside Air Enthalpy
Analog Input
47 Read_NoWrite 30048 InputRegister 2
○
I050_SpaceDewpoint Space Air Dew Point
Analog Input
50 Read_NoWrite 30051 InputRegister 2
○
I051_SpaceEnthalpy Space Air Enthalpy
Analog Input
51 Read_NoWrite 30052 InputRegister 2
○
I052_SADewpoint Supply Air Dew point
Analog Input
52 Read_NoWrite 30053 InputRegister 2
○
I053_SAEnthalpy Supply Air Enthalpy
Analog Input
53 Read_NoWrite 30054 InputRegister 2
○
I062_MainCoil1InTemperature
Refrigerant Inlet Termperature
of Main Coil #1
Analog Input
62 Read_NoWrite 30063 InputRegister 2
○
I063_MainCoil1OutTemperature
Refrigerant outlet Termperature
of Main Coil #1
Analog Input
63 Read_NoWrite 30064 InputRegister 2
○
I064_MainCoil2InTemperature
Refrigerant Inlet Termperature
of Main Coil #2
Analog Input
64 Read_NoWrite 30065 InputRegister 2
○
I065_MainCoil2OutTemperature
Refrigerant outlet Termperature of Main Coil
#2
Analog Input
65 Read_NoWrite 30066 InputRegister 2
○
I066_ReheatCoilInTemperature
Refrigerant inlet Temperature
of Reheat Coil
Analog Input
66 Read_NoWrite 30067 InputRegister 2
○
I067_ReheatCoilOutTemperature
Refrigerant outlet Temperature
of Reheat Coil
Analog Input
67 Read_NoWrite 30068 InputRegister 2
○
I068_RecoveryCoilInTemperature
Refrigerant inlet Temperature
of Recovery Coil
Analog Input
68 Read_NoWrite 30069 InputRegister 2
○
I069_RecoveryCoilOutTemperature
Refrigerant outlet Temperature
of Recovery Coil
Analog Input
69 Read_NoWrite 30070 InputRegister 2
○
I070_OADamperOpenRate Opening Position of Outside Air Damper Positive Integer Value 70 ReadCOV_NoWrite 1 30071 InputRegister 2
I071_EADamperOpenRate Opening Position of Exhaust Air Damper
Positive Integer Value
71 ReadCOV_NoWrite 1 30072 InputRegister 2
I072_MXDamperOpenRate Opening Position of Recirculation Air Damper Positive Integer Value 72 ReadCOV_NoWrite 1 30073 InputRegister 2
I073_SAFanOperationRate Supply Fan Motor Speed (%)
Positive Integer Value
73 ReadCOV_NoWrite 1 30074 InputRegister 2
I074_EAFanOperationRate Exhaust Fan Motor Speed (%) Positive Integer Value 74 ReadCOV_NoWrite 1 30075 InputRegister 2
I075_ERWOperationRate
Energy Recovery Wheel Motor Speed (%)
by Cycle Period
Positive Integer Value
75 ReadCOV_NoWrite 1 30076 InputRegister 2
I076_MainCoilOperationRate
Target Pressure Adjustment Value (%)
by Cycle Period
Positive Integer Value
76 ReadCOV_NoWrite 1 30077 InputRegister 2
I077_ReheatCoilOperationRate
Reheat Coil EEV Adjustment Value (%)
by Cycle Period
Positive Integer Value
77 ReadCOV_NoWrite 1 30078 InputRegister 2
I078_PreheatCoilOperationRate Electric Heater
Positive Integer Value
78 Read_NoWrite 30079 InputRegister 2
I079_RecoveryCoilOperationRate
Recovery Coil EEV Adjustment Value (%)
by Cycle Period
Positive Integer Value
79 ReadCOV_NoWrite 1 30080 InputRegister 2
I080_TargetHighPressure Target High Pressure of Outdoor Unit
Positive Integer Value
80 Read_NoWrite 30081 InputRegister 2
I081_TargetLowPressure Target Low Pressure of Outdoor Unit
Positive Integer Value
81 Read_NoWrite 30082 InputRegister 2
I084_ReheatCoilEEVPulse Reheat Coil EEV Pulse Value
Positive Integer Value
84 Read_NoWrite 30085 InputRegister 2
I086_SAFanFlowVolume Supply Air Flow Rate Positive Integer Value 86 ReadCOV_NoWrite 2 30087 InputRegister 2
I087_EAFanFlowVolume
Exhaust Air Flow Rate (if Differential Pressure
Sensor is equipped)
Positive Integer Value
87 ReadCOV_NoWrite 2 30088 InputRegister 2
I9004_ODU1_HighPressureTrace ODU Master High Pressure Positive Integer Value 9004 Read_NoWrite 39005 InputRegister 2
I9005_ODU1_LowPressureTrace ODU Master Low Pressure Positive Integer Value 9005 Read_NoWrite 39006 InputRegister 2
I9012_ODU1_Inv1Trace ODU Master Inveter#1 Compressor Hz
Positive Integer Value
9012 Read_NoWrite 39013 InputRegister 2
I9014_ODU1_Inv2Trace ODU Master Inveter#2 Compressor Hz
Positive Integer Value
9014 Read_NoWrite 39015 InputRegister 2
I9015_ODU1_Fan1Trace ODU Master Fan#1 RPM
Positive Integer Value
9015 Read_NoWrite 39016 InputRegister 2
I9016_ODU1_Fan2Trace ODU Master Fan#1 RPM
Positive Integer Value
9016 Read_NoWrite 39017 InputRegister 2
I9023_ODU1_AirTemp ODU Master Ambient Temperature Analog Input 9023 Read_NoWrite 39024 InputRegister 2
○
I9024_ODU1_SuctionTemp
ODU Master Suction Pipe Refrigerant
Temperature
Analog Input
9024 Read_NoWrite 39025 InputRegister 2
○
I9025_ODU1_CondeseTemp
ODU Master Condenser Refrigerant
Temperature
Analog Input
9025 Read_NoWrite 39026 InputRegister 2
○
I9026_ODU1_EvaporateTemp
ODU Master Evaporator Refrigerant
Temperature
Analog Input
9026 Read_NoWrite 39027 InputRegister 2
○
I9036_ODU1_Inv1IPMTemp
ODU Master Inverter#1 Heat-Sink
Temperature
Analog Input
9036 Read_NoWrite 39037 InputRegister 2
43