Data Aire dap4 touch Manuel du protocole - Page 7

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