0<cr><lf>
0<cr><lf>
7.4.3 MWV Wind Speed and Direction Query
Use the MWV query command t
o request the wind speed and direction data. To use the MWV
query, the NMEA Wind formatter parameter in the wind sensor settings must be set to W.
The MWV command only queries only wind speed and direction average values.
Command:
$--WIQ,MWV*hh<cr><lf>
$
Start of the message
--
Device identifier
of the requester
WI
Device type identifier (WI = weather instrument)
Q
Defines the message as Query
MWV
W
ind speed and direction query command
*
Checksum delimiter
hh
Two-character checksum for the query command.
<cr><lf>
Command terminator
Response:
$WIMWV,x.x,R,y.y,M,A*hh<cr><lf>
$
Start of the message
WI
Talker identifier
(WI = weather instrument)
MWV
Wind speed and direction response identifier
x.x
Wind direction value
1)
R
Wind direction unit (R = relative)
y.y
Wind speed value
M
Wind speed unit (m/s)
A
Data status: A = valid, V = Invalid
WXT530 Series User Guide M211840EN-D
104
sales@streamlinemeasurement.co.uk
www.streamlinemeasurement.co.uk
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