Xdr transducer measurement query, Xdr transducer measurement – Vaisala WXT520 User Manual

Page 98

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User’s Guide ______________________________________________________________________

96 __________________________________________________________________ M210906EN-C

Example:

Typing the command $--WIQ,MWVxxx<cr><lf> (xxx arbitrary
characters) WXT520 responds

$WITXT,01,01,08,Use chksum 2F*72<cr><lf>

which tells that 2F is the correct checksum for the $--WIQ,MWV
command.

Example of the MWV Query:

$--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)

XDR Transducer Measurement
Query

XDR query command outputs the data of all other sensors except wind.
When requesting also wind data with the XDR command the NMEA
Wind formatter parameter in the wind sensor settings shall be set to T
(see section

Wind Sensor on page 107

).

Command format: $--WIQ,XDR*hh<cr><lf>

The response includes the parameters activated in the data messages
(see

Chapter 8, Sensor and Data Message Settings, on page 107

).

where
$

=

Start of the message

--

=

Device identifier of the requester

WI

=

Device type identifier (WI = weather instrument)

Q

=

Defines the message as Query

XDR

=

Transducer measurement command

*

=

Checksum delimiter

hh

=

Two-character checksum for the query command.

<cr><lf>

=

Command terminator

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