User Guide M211095en-h



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‣ SDI-12 Data Messages (page 160)
5.26.1.6 aI! — Send Identification
This command queries WMT700 for its SDI compatibility level, model number, and firmware version number.
Chapter 5 – Operation
157

aI!
a
Single-digit WMT700 address that corresponds to the first character of the address value
I
Send identification command
!
Terminates the command
The response:
allccccccccmmmmmmvvvxxx . . . xxx
a
Single-digit WMT700 address that corresponds to the first character of the address value
11
SDI-12 version number, indicating SDI version compatibility for example, version 1.1 is encoded as 11
cccccccc
8-character vendor identification Vaisala mmmmmm
6 characters specifying the model number of WMT700
vvv
3 characters specifying the firmware version xxx ... xxx
Optional field, up to 13 characters, used fora serial number or other specific WMT700
information that is not relevant for operation of the data recorder (not used)

Terminates the response aM! — Start Measurement
This command starts measurement. WMT700 does not return measurement data after this command. It sends a response that indicates when the measurement result can be retrieved using the


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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