Vaisala WXT520 - Manual (Page 113)

Chapter 8 ____________________________________________ Sensor and Data Message Settings
VAISALA______________________________________________________________________ 111
Changing the Settings (aWU)
You can change the following settings:
- parameters included in the wind data message,
- update interval,
- averaging time,
- wind speed max/min calculation mode,
- speed unit,
- direction offset, and
- NMEA wind formatter.
Make the desired setting with the following command. Select the
correct value/letter for the setting fields, see
Setting Fields on page 109 .
See the examples.
Command format in ASCII and NMEA 0183:
aWU,R=x,I=x,A=x,G=x,U=x,D=x,N=x,F=x<cr><lf>
Command format in SDI-12:
aXWU, R=x,I=x,A=x,G=x,U=x,D=x,N=x,F=x!
where
R, I, A, G,
U, D, N, F
= The wind sensor setting fields, see Setting Fields on
page 109 .
x = Value for the setting
<cr><lf> = Command terminator in ASCII and NMEA 0183
! = Command terminator in SDI-12
NOTE If averaging time [A] is greater than update interval [I], it shall be a
whole multiple of the update interval and at maximum 12 times
greater. Example: If I = 5 s, A
max
= 60 s.