Vaisala WXT520 - Manual (Page 117)

Chapter 8 ____________________________________________ Sensor and Data Message Settings
VAISALA______________________________________________________________________ 115
Changing the Settings (aTU)
You can change the following settings:
- parameters included in the data message,
- update interval,
- pressure unit, and
- temperature unit.
Make the desired setting with the following command. Select the
correct value/letter for the setting fields, see
Setting Fields on page 114 .
See the examples.
Command format in ASCII and NMEA 0183:
aTU,R=x,I=x,P=x,T=x<cr><lf>
Command format in SDI-12:
aXTU,R=x,I=x,P=x,T=x!
Examples (ASCII and NMEA 0183, device address 0):
You need the temperature and humidity data to be available in every 30
seconds
Changing the parameter selection:
0TU,R=0101000001010000<cr><lf>
0TU,R=01010000&01010000<cr><lf>
where
R, I, P, T
= The pressure, temperature and humidity sensor
setting fields, see
Setting Fields on page 114 .
x Value for the setting
<cr><lf> = Command terminator in ASCII and NMEA 0183
! = Command terminator in SDI-12
NOTE Character '&' is not allowed in the command.