Vaisala WXT536, Руководство пользователя

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User’s Guide ______________________________________________________________________
114 _________________________________________________________________ M211840EN-C
Acknowledge Active Command (a)
This command checks that a device responds to a data recorder or
another device. It asks a sensor to acknowledge its presence on the bus.
Command format: a<cr><lf>
The response:
a<cr><lf>
Example:
0<cr><lf>
0<cr><lf>
MWV Wind Speed and Direction
Query
Use a MWV query command to request the wind speed and direction
data. To use MWV query the NMEA Wind formatter parameter in the
wind sensor settings must be set to W. See
Wind Sensor on page 127 .
The MWV command only queries only wind speed and direction
average values. For details on obtaining minimum and maximum data
for speed and direction, see
XDR Transducer Measurement Query on
page 116 .
where
a
= Device address
<cr><lf> = Command terminator
where
a
= Device address
<cr><lf> = Response terminator