Vaisala DMT340 - Manual (Page 107)

Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 105
Modifier Description
ADDR Transmitter address [00...255]
ERR Error flags for P, T, Ta, RH [0000 ... 1111], 0 = no error
STAT Transmitter status in 7 character field, for example:
N 0
no heating
h 115 probe heating active, power 115/255
H 159.0 purge heating active, temperature 159ºC
S 115.0 purge cooling active, temperature 115ºC
X 95.0 sensor heating active, temperature 95ºC
SN Transmitter serial number
TIME Time [hh:mm:ss]
DATE Date [yyyy-mm-dd]
CS2 Modulus-256 checksum of message sent so far, ASCII
encoded hexadecimal notation
CS4 Modulus-65536 checksum of message sent so far, ASCII
encoded hexadecimal notation
CSX NMEA xor-checksum of message sent so far, ASCII
encoded hexadecimal notation
Example:
>form "Td=" 4.2 rh U5 #t "T=" t U3 #r #n
Td= 3.30ºC T= 22.18'C
>send
Td= 3.30ºC
T= 22.18'C
>form "Tfrost=" tdf U3 #t "Temp=" t U3 #r#n
Tfrost= -21.6'C
Temp= 22.2'C
>
Command ‘FORM /’ will return the default output format. The default
output format depends on the device configuration.
>form /
Tdf=-21.6 'C H2O= 874 ppmV T= 22.2 'C RH= 3.3 %RH
>
UNIT
Use the UNIT command to select metric or non-metric output units, and
change the unit for the H2O quantity:
UNIT [x]
where
x = Unit system to be used. Options are:
M (metric units)
N (non-metric units)
UNIT H2O [y]
where