Vaisala WXT536, Руководство пользователя

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User’s Guide ______________________________________________________________________
136 _________________________________________________________________ M211840EN-C
Changing the Settings (aTU)
You can change the following settings:
- parameters included in the data message,
- update interval,
- pressure unit
- temperature unit
Change the setting with the following command. For details on the
values or letters for the setting fields, see the examples and
Setting
Fields on page 135 .
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 135 .
x Value for the setting
<cr><lf> = Command terminator in ASCII and NMEA 0183
! = Command terminator in SDI-12