Example
$03.22,75.29,03.38,03.07,22.13,0,3E<cr><lf>
Interpretation of the example message:
• Wind speed, average: 3.22 m/s
• Wind direction, average: 75.29°
• Wind speed, maximum: 3.38 m/s
• Wind speed, minimum: 3.07 m/s
• Sonic temperature: 22.13 °C
• Status code: 0
• Checksum: A4
5.10.2.6 ROSA - MES12 Data Message
The MES12 data message 12 is used in the ROSA Surface Analyzer for Roads and Runways
system. You can use this data message when WMT700 is connected to the Vaisala ROSA
system.
This message contains sensor
identifications (sids), corresponding data items, and the
synchronization characters SOH, STX, and ETX. The lines are ended by CR and LF characters.
5.10.3
Missing Readings
If WMT700 is not able to measure the wind, it indicates a missing reading in the output. The
most common reasons for measurement problems are ice, birds, or other foreign objects on
the line of measurement.
When the WMT700 profile is used, WMT700 indicates missing readings by showing 999 in
the data messages.
When the WMT700 Data Message 22 is polled, missing readings are indicated with the
following response:
$999.00,999.00<cr><lf>
5.10.4
Error Indication
WMT700 provides advanced self-diagnostics for monitoring the status of the wind sensor
and the validity of the measurement data. You can use the diagnostics as follows:
WMT700 User Guide M211095EN-H
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