Campbell Scientific CSAT3 CSAT3 3-D Sonic Anemometer - Page 50

Select Backdoor Commands

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CSAT3 Three Dimensional Sonic Anemometer FIGURE 11-6. Wind data from CSAT3 s/n 315; wind offsets within specifications at 19°C 12. Select Backdoor Commands The CSAT3 supports a variety of Backdoor Commands used to configure the CSAT3 for use with a RS-232 data collection system. Connect the CSAT3 to a PC using the RS-232 serial cable that was shipped with the CSAT3. Connect a 12 Vdc power supply to the CSAT3 using the SDM/Power cable. Start the CSAT3 PC support software (CSAT32.EXE). If the CSAT3 and PC are communicating successfully, the "Status" window will report the message "Good Data". To gain access to the Long Status Message, place the CSAT3 into the terminal mode by clicking on the "Terminal Mode" tab in the support software. The CSAT3 will respond will the ">" prompt. If you are using some other telecommunications software, you will have to issue the "T" command to enter the terminal mode and the "D" command to return to the normal operating mode (data mode). NOTE Back door commands will not be accepted by the CSAT3 if it is communicating with a Campbell Scientific datalogger via SDM. The SDM communications must first be terminated by shutting down the program, turning off the datalogger, or disconnecting the brown SDM enable line from the datalogger. If the CSAT3 successfully accepts and processes a command, it will respond with the ">" prompt. If an invalid command is issued to the CSAT3, it will respond with a "?" prompt. All commands issued to the CSAT3 must be followed by the key. "??" - Long Status Message; the "??" command prompts the CSAT3 to return the Long Status Message. This message contains the current configuration of the CSAT3. Much of this information is used by Campbell Scientific staff during the calibration process; however, the following highlighted information may be of use to some CSAT3 users. 42

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CSAT3 Three Dimensional Sonic Anemometer
FIGURE 11-6.
Wind data from CSAT3 s/n 315; wind offsets within
specifications at 19
°
C
12. Select Backdoor Commands
The CSAT3 supports a variety of Backdoor Commands used to configure the
CSAT3 for use with a RS-232 data collection system.
Connect the CSAT3 to a PC using the RS-232 serial cable that was shipped
with the CSAT3. Connect a 12 Vdc power supply to the CSAT3 using the
SDM/Power cable. Start the CSAT3 PC support software (CSAT32.EXE). If
the CSAT3 and PC are communicating successfully, the “Status” window will
report the message “Good Data”. To gain access to the Long Status Message,
place the CSAT3 into the terminal mode by clicking on the “Terminal Mode”
tab in the support software. The CSAT3 will respond will the “>” prompt. If
you are using some other telecommunications software, you will have to issue
the “T” command to enter the terminal mode and the “D” command to return to
the normal operating mode (data mode).
Back door commands will not be accepted by the CSAT3 if it is
communicating with a Campbell Scientific datalogger via SDM.
The SDM communications must first be terminated by shutting
down the program, turning off the datalogger, or disconnecting the
brown SDM enable line from the datalogger.
If the CSAT3 successfully accepts and processes a command, it will respond
with the “>” prompt. If an invalid command is issued to the CSAT3, it will
respond with a “?” prompt. All commands issued to the CSAT3 must be
followed by the <enter> key.
“??”
– Long Status Message; the “??” command prompts the CSAT3 to return
the Long Status Message. This message contains the current configuration of
the CSAT3. Much of this information is used by Campbell Scientific staff
during the calibration process; however, the following highlighted information
may be of use to some CSAT3 users.
NOTE
42