Campbell Scientific CSAT3 CSAT3 3-D Sonic Anemometer - Page 36

Example EDLOG Datalogger Program

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CSAT3 Three Dimensional Sonic Anemometer 'Break up the four CSAT3 warning flags into four separate bits. diag_csat_work = diag_csat del_T_f = diag_csat_work AND &h8000 sig_lck_f = diag_csat_work AND &h4000 amp_h_f = diag_csat_work AND &h2000 amp_l_f = diag_csat_work AND &h1000 'Turn on the intermediate processing disable flag when any CSAT3 warning flag is 'high, including the special cases NaN (61502), a Lost Trigger (61440), No Data '(61503), an SDM error (61441), or wrong CSAT3 embedded code (61442). disable_flag_on(1) = diag_csat_work AND &hf000 'Turn on only when CSAT3 diagnostic warning flags are set. disable_flag_on(2) = ( disable_flag_on(1) AND NOT (Ts = NaN) ) 'Save the four most significant bits of the CSAT3 diagnostics, except for the 'special cases NaN (61502), a Lost Trigger (61440), No Data (61503), an SDM 'error (61441), or wrong CSAT3 embedded code (61442). If ( diag_csat_work < &hf000 ) Then ( diag_csat = INT (diag_csat_work/&h1000) ) 'Compute the online wind vector statistics. CallTable wnd_vec If ( wnd_vec.Output(1,1) ) Then GetRecord (wnd_out(1),wnd_vec,1) 'Compass wind direction will be between 0 and 360 degrees. wnd_dir_compass = (wnd_dir_compass+CSAT3_AZIMUTH) MOD 360 'CSAT3 wind direction will be between 0 to 180 degrees and 0 to -180 degrees. If ( wnd_dir_csat3 ) > 180 Then ( wnd_dir_csat3 = wnd_dir_csat3-360 ) EndIf CallTable stats NextScan EndProg 10.7 Example EDLOG Datalogger Program In the following example, a CR23X is used to collect data from the CSAT3 using SDM communications. The CR23X will trigger each wind measurement over the SDM bus and retrieve the data. 28

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CSAT3 Three Dimensional Sonic Anemometer
'Break up the four CSAT3 warning flags into four separate bits.
diag_csat_work = diag_csat
del_T_f = diag_csat_work AND &h8000
sig_lck_f = diag_csat_work AND &h4000
amp_h_f = diag_csat_work AND &h2000
amp_l_f = diag_csat_work AND &h1000
'Turn on the intermediate processing disable flag when any CSAT3 warning flag is
'high, including the special cases NaN (61502), a Lost Trigger (61440), No Data
'(61503), an SDM error (61441), or wrong CSAT3 embedded code (61442).
disable_flag_on(1) = diag_csat_work AND &hf000
'Turn on only when CSAT3 diagnostic warning flags are set.
disable_flag_on(2) = ( disable_flag_on(1) AND NOT (Ts = NaN) )
'Save the four most significant bits of the CSAT3 diagnostics, except for the
'special cases NaN (61502), a Lost Trigger (61440), No Data (61503), an SDM
'error (61441), or wrong CSAT3 embedded code (61442).
If ( diag_csat_work < &hf000 ) Then ( diag_csat = INT (diag_csat_work/&h1000) )
'Compute the online wind vector statistics.
CallTable wnd_vec
If ( wnd_vec.Output(1,1) ) Then
GetRecord (wnd_out(1),wnd_vec,1)
'Compass wind direction will be between 0 and 360 degrees.
wnd_dir_compass = (wnd_dir_compass+CSAT3_AZIMUTH) MOD 360
'CSAT3 wind direction will be between 0 to 180 degrees and 0 to -180 degrees.
If ( wnd_dir_csat3 ) > 180 Then ( wnd_dir_csat3 = wnd_dir_csat3-360 )
EndIf
CallTable stats
NextScan
EndProg
10.7 Example EDLOG Datalogger Program
In the following example, a CR23X is used to collect data from the CSAT3
using SDM communications.
The CR23X will trigger each wind measurement
over the SDM bus and retrieve the data.
28