Data Aire’s dap4 Modbus TCP/IP
Document:
600
‐
000
‐
961
version
4.0
6
II. Modbus TCP/IP Points List
Note:
1.
Divide
the
value
by
10
for
the
decimal
value
reading.
2.
All
points
in
this
list
are
applied
to
dap4
software
version
1.11
or
later.
Some
points
are
not
applied
if
you
have
older
dap4
software
version.
Point
Index
Description
Read/
Write
Variable
Name
Data
Type
Modbus
TCP/IP
1
Temperature of return air
R
Ret_Air_Tmp
A
30002
2
Maximum Return air temp in last 24hrs
R
Maximum
A
30003
3
Minimum Return air temp in last 24hrs
R
Minumum
A
30004
4 Temperature
setpoint
R/W Temp_Setpoint
A
40005
5
Amount from setpoint before a comp is staged on
R/W
Temp_Deadband
A
40006
6 Humidity
Sensor
Calibration
R Ain_offs
A
30007
7
Return Temperature Sensor Calibration
R
Ain_offs
A
30008
8
Temperature of chilled water*
R
CW_Tmp
A
30009
9
Temperature of discharge air*
R
Disch_Air_Tmp
A
30010
10
Discharge Temperature Sensor Calibration - Optional discharge air
temperature sensor required (B9)*
R
Ain_offs
A
30011
11
Chilled Water Temperature Sensor Calibration - Optional chilled water
temperature sensor required (B10)*
R
Ain_offs
A
30012
12
Temperature setpoint for Energy saver chilled water*
R/W
EngSaver_Setpoint
A
40013
13
Value of the analog input*
R
Opt1_Analog
A
30014
14
Value of the analog input*
R
Opt2_Analog
A
30015
15
Value of the Auxillary analog*
R
Opt3_Analog
A
30016
16
Value of the analog input*
R
Opt4_Analog
A
30017
17
Analog Sensor 1 Minimum Value*
R
Y1
A
30018
18
Analog Sensor 1 Maximum Value*
R
Y2
A
30019
19
Analog Sensor 1 Calibration*
R
Ain_offs
A
30020
20
Analog Sensor 2 Minimum Value*
R
Y1
A
30021
21
Analog Sensor 2 Maximum Value*
R
Y2
A
30022
22
Analog Sensor 2 Calibration*
R
Ain_offs
A
30023
23
Analog Sensor 3 Minimum Value*
R
Y1
A
30024
24
Analog Sensor 3 Maximum Value*
R
Y2
A
30025
25
Analog Sensor 3 Calibration*
R
Ain_offs
A
30026
26
Analog Sensor 4 Minimum Value*
R
Y1
A
30027
27
Analog Sensor 4 Maximum Value*
R/W
Y2
A
40028
28
Offset for Outside Air Humidity sensor*
R/W
Ain_offs
A
40029
29
Temperature setpoint for cooling in economizer mode*
R/W
Econ_Cl_Setpoint
A
40030
30
Temperature deadband for cooling in economizer mode*
R/W
Econ_Cl_Deadband
A
40031
31
Temperature setpoint for heating in economizer mode*
R/W
Econ_Ht_Setpoint
A
40032
