Vaisala GMP231 User Manual
Page 70
User's Guide _______________________________________________________________________
68 ___________________________________________________________________ M211501EN-C
Meaning
Name
ID
Size
(bytes)
Type Read/
Write
Persistent Other
Compensation settings
Temperature
compensation mode
TC_MODE
15
1
Byte
R/W
Yes
0 = Compensation off
1 = Use temperature
setpoint value
(default)
2 = Use Internal
sensor temperature
Compensation
temperature
T_COMP
16
4
Float
R/W
No
Celsius
Measured temperature
(internal sensor)
T
17
4
Float
R
No
Celsius
Pressure compensation
mode
PC_MODE
18
1
Byte
R/W
Yes
0 = Compensation off
1 = Use pressure
setpoint value
2 = Use internal
pressure sensor
(default)
Compensation pressure
P_COMP
19
4
Float
R/W
No
hPa
Measured pressure
(internal sensor)
P
20
4
Float
R
No
hPa
Humidity compensation
mode
RHC_MODE 21
1
Byte
R/W
Yes
0 = Compensation off
1 = Use RH setpoint
value (default)
Compensation Humidity
RH_COMP
22
4
Float
R/W
No
%RH
Oxygen compensation
mode
O2C_MODE 23
1
Byte
R/W
Yes
0 = Compensation off
1 = Use oxygen
concentration setpoint
value (default)
Compensation Oxygen
O2_COMP
24
4
Float
R/W
No
%02
Adjustment settings
Reference CO2 point 1
CO2_RP1
25
4
Float
R/W
Yes
ppm CO
2
0 ppm
Measured CO2 point 1
CO2_MP1
26
4
Float
R
Yes
ppm CO
2
0 ppm
Reference CO2 point 2
CO2_RP2
27
4
Float
R/W
Yes
ppm CO
2
20%
Measured CO2 point 2
CO2_MP2
28
4
Float
R
Yes
ppm CO
2
20%
Reference temperature
point 1
T_RP1
29
4
Float
R/W
Yes
Celsius 0C
Measured temperature
point 1
T_MP1
30
4
Float
R
Yes
Celsius 0C
Reference pressure point
1
PRE_RP1
31
4
Float
R/W
Yes
hPa 1013.25
Measured pressure point
1
PRE_MP1
32
4
Float
R
Yes
hPa 1013.25
Analog output settings
Analog output mode
A_MODE
33
1
Byte
R/W
No
0 = Off (0 mA)
1 = Testmode
2 = Normal (default)
3 = Locked to latest
value
Analog output test current A_TC
34
4
Float
R/W
No
0 … 25 mA
Analog output error state
current
A_EC
35
4
Float
R/W
Yes
0 … 25 mA
Analog output low end
current
A_LC
36
1
Byte
R/W
Yes
0 = 0 mA
1 = 4 mA
Analog output scale low
(0/4 mA)
A_LOW
37
4
Float
R/W
Yes
ppm CO2
Analog output scale high
(20 mA)
A_HI
38
4
Float
R/W
Yes
ppm CO2