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
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