*
Checksum delimiter
hh
Two-character checksum for the response
<cr><lf>
Response terminator
1) Wind direction is given in relation to the devices north-south axis. An oset value to the measured direction can be set, see
Chapt
er 8.
The checksum typed in the query depends on the device identifier characters. To find the
c
orrect checksum in the WXT530 series transmitters, type any three characters after the
$--WIQ,MWV command.
Example
If y
ou t
ype the command $--WIQ,MWVxxx<cr><lf>(xxx arbitrary characters) , the
transmitter responds:
$WITXT,01,01,08,Use chksum 2F*72<cr><lf>
which indicat
es that 2F is the correct checksum for the $--WIQ,MWV command.
Example
$--WIQ,MWV*2F<cr><lf>
$WIMWV,282,R,0.1,M,A*37<cr><lf>
(Wind angle 282 degrees, Wind speed 0.1 m/s)
More Information
‣
XDR Transducer Measurement Query (page 105)
7.4.4 XDR Transducer Measurement Query
The XDR query c
ommand outputs the da
ta of all sensors except wind.
To request wind data with the XDR command, set the NMEA Wind formatter parameter in
the wind sensor settings to T.
Command:
$--WIQ,XDR*hh<cr><lf>
$
Start of the message
Chapter 7 – Retrieving Data Messages
105
sales@streamlinemeasurement.co.uk
www.streamlinemeasurement.co.uk
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