Data Aire’s dap4 Modbus TCP/IP
Document:
600
‐
000
‐
961
version
4.0
7
Point
Index
Description
Read/
Write
Variable
Name
Data
Type
Modbus
TCP/IP
32
Temperature deadband for heating in economizer mode*
R/W
Econ_Ht_Deadband
A
40033
33
Amount temp must change for each stage of heat/cool*
R/W
Stage_sp
A
40034
34
Dewpoint setpoint for economizer*
R/W
Dewpoint_Hi_SP
A
40035
35
deadband of dewpoint for economizer*
R
Dewpoint_Hi_Dband
A
30036
36
Lower limit of dewpoint for economizer*
R/W
Dewpoint_Lo_SP
A
40037
37
deadband of low dewpoint for economizer*
R
Dewpoint_Lo_Dband
A
30038
38
deadband of enthalpy for economizer*
R
Enthalpy_Deadband
A
30039
39
Offset for Outside Air Temperature probe*
R/W
Ain_offs
A
40040
40
Temperature of the outside air*
R
Outside_Temp
A
30041
41
Dew point of outside air*
R
Outside_Dewpt
A
30042
42
Dew point of return air*
R
Ret_Air_Dewpt
A
30043
43
Setpoint for fan modulation by return or rack temperature*
R/W
RA_Fan_Setpoint
A
40044
44
Amount from setpoint before fan starts ramping up*
R/W
RA_Fan_Deadband
A
40045
45
The highest of the rack temp sensors connected to this unit*
R
Rack_Temp
A
30046
46
The highest rack temp of all units in this zone*
R
Zone_Rack_Temp
A
30047
47
Value of rack temperature sensor #1*
R
Rack_T1
A
30048
48
Value of rack temperature sensor #2*
R
Rack_T2
A
30049
49
Value of rack temperature sensor #3*
R
Rack_T3
A
30050
50
Temperature setpoint of the Zone Master*
R
Master_Temp_Setpoint
A
30051
1
Lower limit alarm of discharge air temp*
R/W
Disch_Air_Lo_SP
I
45002
2
Relative humidity displayed as xx%
R
Humidity_dis
I
35003
3
Cooling Stages On = Cooling stages are currently on – This point applies to
DX unit only
R
Stages_On
I
35004
4
Number of heat stages running
R
Heaters_On
I
35005
5
Maximum humidity in last 24hrs
R
Maximum
I
35006
6
Minimum humidity in last 24hrs
R
Minumum
I
35007
7
Cooling Utilization Over Last Hour -Percentage of cooling is used in the last
hour of operation; this point applies to DX unit.
R
Comp_duty
I
35008
8
Heating Utilization Over Last Hour -Percentage of heating is used in the
last hour of operation
R
Heat_duty
I
35009
9
Humidifier Utilization Over Last Hour -Percentage of humidifier is used in
the last hour of operation
R
Hum_duty
I
35010
10
Compressor 1 Runtime -This point applies to DX unit with one compressor
-high
R C1_Hours_H
I
35011
11
Compressor 1 Runtime -This point applies to DX unit with one compressor
-low
R C1_Hours_L
I
35012
12
Compressor 2 Runtime -This point applies to DX unit with dual compressor
- high
R C2_Hours_H
I
35013
13
Compressor 2 Runtime -This point applies to DX unit with dual compressor
- low
R C2_Hours_L
I
35014
14
Heater 1 Runtime - high
R
Ht1_Hours_H
I
35015
15
Heater 1 Runtime - low
R
Ht1_Hours_L
I
35016
16 Current
second
R CURRENT_SECOND
I
35017
