Data Aire’s dap4 Modbus TCP/IP
Document:600‐000‐961version4.0 10
Point
Index
Description
Read/
Write
VariableName
Data
Type
Modbus
TCP/IP
90
Compressor 3 Runtime - This applies when unit has four stages tandem
compressors - low R C3_Hours_L I 35091
91
Compressor 4 Runtime - This applies when unit has four stages tandem
compressors. - high R C4_Hours_L I 35092
92
Compressor 4 Runtime - This applies when unit has four stages tandem
compressors. - low R C4_Hours_H I 35093
93 Condenser Runtime - high R Cond_Hours_H I 35094
94 Condenser Runtime - low R Cond_Hours_L I 35095
95 Constant Fan speed % of output in DX mode. R DX_Fan_Speed I 35096
96 Constant Fan speed % of output in chilled water cooling. R CW_Fan_Speed I 35097
97 Fan air flow setpoint (cfm) 1/10th scale* R Fan_AF_sp I 35098
98 Maximum damper (% of output) modulation in airside economizer*. R/W Damper_max I 45099
99 Zone Airflow Setpoint (1/100th of actual)* R/W ZM_Airflow_SP I 45100
100 Zone Airflow Setpoint from the server (LSB) 000-999* R/W Unity_Airflow_SP_lsb I 45101
101 Zone Airflow Setpoint from the server (1/100th actual cfm)* R/W Unity_Airflow_SP I 45102
102 1/10th of the total zone airflow* R ZM_Airflow I 35103
103 Economizer Runtime - high* R Econ_Hours_H I 35104
104 Economizer Runtime - low* R Econ_Hours_L I 35105
105 Relative humidity of the outside air in %* R Outside_Hum_dsp I 35106
106 Oustide air enthalpy in KJ or BTU* R Outside_Enthalpy I 35107
107 Return air enthalpy in KJ or BTU* R Return_Enthalpy I 35108
108 Analog value of damper in %* R Damper_Mod_disp I 35109
109 Fan speed modulation percentage (bases on output singal) R Fan_Out I 35110
110 Setting of HP alarms/hr before comp is locked out, 1=disabled* R/W HP_Lockout_Cnt I 45111
111 Number of HP alarms C1 had within an hour* R C1_HP_Count I 35112
112 Number of HP alarms C2 had within an hour* R C2_HP_Count I 35113
113 Number of units selected by ZM for standby based on current schedule* R Num_Stdby I 35114
114 Number of units currently running in the zone* R Num_Units_On I 35115
115 State of unit (at address 1). 1,12&13 = On, 2 thru 9 = Off* R Unit Status I 35116
116 State of U2 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit2_status I 35117
117 State of U3 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit3_status I 35118
118 State of U4 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit4_status I 35119
119 State of U5 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit5_status I 35120
120 State of U6 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit6_status I 35121
121 State of U7 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit7_status I 35122
122 State of U8 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit8_status I 35123
123 State of U9 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit9_status I 35124
124 State of U10 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit10_status I 35125
125 State of U11 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit11_status I 35126
126 State of U12 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit12_status I 35127
127 State of U13 when zone master is enabled. (1,12&13 is running, 2-9 is Off)* R Unit13_status I 35128