Vaisala WINDCAP WMT52 Guía de usuario descargar pdf (Pagina 86)

User’s Guide ______________________________________________________________________

84 ___________________________________________________________________M210925EN-B

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

The response format:

$WIMWV,x.x,R,y.y,M,A*hh<cr><lf>

The checksum to be typed in the query depends on the device identifier

characters. The correct checksum can be asked from WMT52 by typing

any three characters after the $--WIQ,MWV command.

where

$ = Start of the message

-- = Device identifier of the requester

WI = Device type identifier (WI = weather instrument)

Q = Defines the message as Query

MWV = Wind speed and direction query command

* = Checksum delimiter

hh = Two-character checksum for the query command.

<cr><lf> = Command terminator

where

$ = Start of the message

WI = Talker identifier (WI = weather instrument)

MWV = Wind speed and direction response identifier

x.x =

Wind direction value

1. Wind direction is given in relation to the devices north-south axis. An

offset value to the measured direction can be set, see section Chapter 8,

section Wind Sensor.

R = Wind direction unit (R = relative)

y.y = Wind speed value

M = Wind speed unit (m/s)

A = Data status: A = valid, V = Invalid

* = Checksum delimiter

hh = Two-character checksum for the response

<cr><lf> = Response terminator

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Vaisala WINDCAP WMT52 Guía de usuario Pagina 86