User Guide M211095en-h



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Parameter Name
Default
Value
Allowed Values
Units
Description
wndCover
4 0 ... 20 seconds s
Defines how long WMT700
continues to report the last valid wind value if wind measurement fails (for example due to snow or birds).
0 means that if measurement fails, WMT700 reports missing measurement data immediately.
wndDirOffset
0
-180 … 180
degrees
Deg
User-defined wind direction offset.
wndGainLo
1
%
Wind tunnel tests show that the birdcage systematically lowers the wind speed reading by 1.5 % (cage) or 2.5 % (cage and net. The wndGainLo parameter can be used to compensate for wind speed gain correction for the bird cage.
S wndGainLo,1.015
wndGustTime
3 0.25 Resolution 0.25
s
Averaging time for wind minimum and maximum in seconds.
wndOrientation
0 0 = Array facing up = Array facing down
Orientation of the transducer arms of WMT700.
wndRate
1 1 = 4 Hz = 8 Hz
Hz
Wind vector update rate. For best performance in wind speeds over 50 ms, Vaisala recommends the 4 Hz rate.
wndUnit
0 0 = ms = mph = km/h
3 = knots
Wind speed unit. This parameter affects data messages sent through serial interfaces but has no impact on analog output.
wndVector
0 0 = Scalar averaging = Vector averaging
Wind averaging method
Appendix D – Configuration Parameter Descriptions
191


WMT700 User Guide
M211095EN-H
192

Appendix E. WMT700 NMEA
MWV Profile
E.1 Configurable Parameters
When the WMT700 NMEA MWV profile is selected, you can set WMT700 to send messages based on the configured automatic message interval or poll MWV message using the NMEA
Query command.
The following table shows the configurable parameters and their allowed and default values for the WMT700 NMEA MWV profile.
Table 74 Configurable Parameters for WMT700 NMEA MWV Profile


Document code
Testsetup according to
More information
Optiontemperature range
Optionheating
Optionhardware interface
Optionunit used
Optionoutput configuration
Selectionoutput configuration
Optionadapter type
Optionaccessories
Order codedescription
Aout1 selected option
Output signal
Swnddiroffset,(angle)
Parameterdefinition
Power supplywire colors
Used heating option
Heating option
Wire type/cable length
Descriptionspare part item
Wmt700connector pin
Open commandto activate the command, press enter
Commanddescription
Wind_getfetches wind calibration information.more information
S command. power must be on for at least 5 seconds after the s
Startcommand.more information
Itemdescription
Bitdescription
G command to fetch the current wmt700 parameters. disable error messages with the command s messages,0
Errors. if all values are valid, wmt700 sends the following response:0,0,0,0you can also use the g
Data message number
Ws425 and sdi messages
Parametername
Parameterdefault
Start command.to stop measurement, use the stop
Wb,wfirmware
Wf output:wff6785672109876.5432.1k99xx5.21.2 ws425 f/g asos data messagewmt700 responds to the wa
Bytedescription
Parameterdefault value
Id character
Wx command with a character fixed-length data message.character
Start command. to stop measurement, use thestop
Problemprobable cause
Error/eventcode
Parameter name
Propertydescription/value
Analog outputs for wind direction
Itemorder code
Configuration mode / measurement
Settingparameter
Start command. you can stop the measurement with the stop
Example of the command and response:
Baud........................................................................ 105clearerr
S............................................................................... 103sleep
Gget message. get parameter.........................................................104h
Jjunction box...............................................................28l



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